SAE Grade |
Process |
Iter |
Fat.Str.@ N=106 (MPa) |
YS (MPa) |
UTS (MPa) |
%RA |
%ELong. |
BHN |
|
1541 |
Normalized, 1650 |
01 |
260.0 |
471.2 |
783.2 |
55.1 |
38.7 |
187 |
1541 |
Normalized, 1650 |
01-b |
260.0 |
471.2 |
783.2 |
55.1 |
38.7 |
187 |
1541 |
Cold sized |
02 |
311.7 |
461.0 |
905.5 |
41.7 |
28.7 |
195 |
1050M |
Normalized, 1650 |
03 |
254.5 |
449.6 |
821.0 |
49.6 |
43.0 |
201 |
1050M |
Hot Forged-Cold Extruded-Surface
Induction Hardened-Core-Specimens
From Axles |
04 |
360.2 |
460.0 |
828.5 |
34.1 |
17.7 |
229 |
1050M |
Hot Forged-Cold Extruded-Surface
Induc.Hard.-CaseFrom Axles |
05 |
796.1 |
2100.0 |
2360.0 |
14.7 |
16.7 |
536 |
1090 |
Normalized 1650 |
06 |
307.1 |
728.8 |
1090.0 |
14.0 |
9.0 |
259 |
1090M |
Hot Formed-Accelerated Cooled |
07 |
404.1 |
1065.0 |
1388.0 |
25.0 |
14.0 |
357 |
1090 |
Hot Formed-Quenched + Tempered |
08 |
346.8 |
677.6 |
1147.0 |
21.7 |
6.7 |
309 |
1090M |
Hot Formed-Accelerated Cooled |
09 |
338.3 |
751.3 |
1251.3 |
13.6 |
6.7 |
279 |
1090 |
Hot Formed and Austempered |
10 |
376.0 |
759.5 |
1124.0 |
37.6 |
18.0 |
272 |
1141AL |
Normalized, 1650 |
11 |
286.0 |
457.4 |
770.6 |
57.0 |
40.0 |
223 |
1141AL |
Quenched + Tempered |
12 |
432.0 |
814.2 |
924.8 |
59.0 |
32.0 |
277 |
1141Nb |
Normalized 1650 |
13 |
276.6 |
417.8 |
695.2 |
53.0 |
35.0 |
199 |
1141Nb |
Quenched and Tempered |
14 |
341.8 |
602.1 |
801.8 |
54.0 |
32.0 |
241 |
1141V |
Normalized 1650 |
15 |
287.0 |
449.9 |
725.2 |
49.0 |
32.0 |
217 |
1141V |
Quenched and Tempered |
16 |
332.2 |
609.7 |
796.8 |
58.0 |
34.0 |
252 |
1141V |
Normalized 1750 |
17 |
295.8 |
493.5 |
789.4 |
47.0 |
30.0 |
229 |
1038 |
Normalized 1650 |
18 |
222.6 |
330.7 |
582.2 |
54.0 |
44.0 |
163 |
1038 |
Cold Sized |
19 |
240.8 |
359.4 |
651.6 |
53.0 |
38.0 |
185 |
1038 |
Quench and Tempered |
20 |
317.6 |
559.8 |
743.0 |
69.0 |
43.0 |
245 |
10V45 |
Normalized 1650 |
21 |
270.4 |
465.2 |
764.6 |
48.0 |
26.0 |
212 |
10V45 |
Reheat 2250F, Deformed @2000F,
Forced AirCooled |
22 |
374.3 |
605.6 |
908.6 |
42.0 |
24.0 |
269 |
1020 |
Cold Drawn |
23 |
194.3 |
294.9 |
502.2 |
63.5 |
49.7 |
135 |
10B21 |
Quenched and Tempered |
24 |
536.9 |
1062.3 |
1104.8 |
70.5 |
33.4 |
322 |
1022 |
LP Anneal |
25 |
230.6 |
457.3 |
604.1 |
68.7 |
48.2 |
195 |
1045 |
Quenched and Tempered |
26 |
278.5 |
509.6 |
746.6 |
62.0 |
35.5 |
222 |
1151V |
HotFormed, Control Cooled-
Tested As-HotRolled |
27 |
266.9 |
452.3 |
760.8 |
50.6 |
26.3 |
205 |
15V24 |
Hot Formed, Control Cooled Specimens
From Control Arm |
28 |
379.2 |
645.7 |
877.6 |
61.1 |
36.0 |
243 |
4130 AL |
Quenched and Tempered |
29 |
527.6 |
1284.5 |
1482.8 |
44.3 |
28.0 |
442 |
4140 |
Quenched and Tempered |
30 |
437.4 |
928.9 |
1042.9 |
61.3 |
30.8 |
325 |
5140 |
Quenched and Tempered |
31 |
496.8 |
956.7 |
1039.2 |
52.7 |
28.3 |
305 |
5150 |
Normalized 1650 |
32 |
294.5 |
471.8 |
867.1 |
55.8 |
32.4 |
245 |
51B60 |
Quenched and Tempered |
33 |
771.0 |
1830.0 |
1970.0 |
21.6 |
36.2 |
450 |
9254V |
Quenched and Tempered |
34 |
710.2 |
1870.0 |
2050.0 |
35.1 |
16.2 |
536 |
9254 AL FG |
Quenched and Tempered |
35 |
844.9 |
2270. |
2450. |
4.0 |
3.9 |
627 |
1070 |
Induction Hardened
Simulated Core |
36 |
339.3 |
520.0 |
659.0 |
36.2 |
25.1 |
280 |
1070 |
Induction Hardened Simulated
Case |
37 |
533.3 |
1950.0 |
2069.0 |
2.3 |
3.3 |
682 |
8620 |
Thru Carburized Simulated Case |
38 |
458.0 |
920.0 |
1202.0 |
1.0 |
1.0 |
583 |
8620 |
Quenched and Tempered
Simulated Carburized Core |
39 |
508.3 |
1420.0 |
1683.0 |
36.2 |
47.7 |
420 |
8695 |
Lab. Melted
Simulated Carburized Case
w/o IGO |
40 |
400.6 |
780.0 |
1496.0 |
1.3 |
1.3 |
682 |
8695 |
Lab Melted
Simulated Carburized Case
W/IGO |
41 |
508.9 |
847.0 |
979.0 |
1.0 |
1.0 |
653 |
8620 |
Carburized Gear Teeth
Bending fatigue. R=0.1
|
42 |
|
|
|
|
|
|
C-70 |
Controlled Cooled |
43 |
340.2 |
765.0 |
964.0 |
16.8 |
14.3 |
241 |
9254 AL |
Quenched and Tempered Torsion Tested
(for Axial Props.see
Iter.35 ) |
44 pdf |
|
|
|
|
|
|
15B35 |
Quenched and Tempered
Simulated Carburized Core |
45 |
467.8 |
866.4 |
939.9 |
64.5 |
37.3 |
285 |
15B35 |
Thru Carburized Simulated Case
Testing Terminated |
46 |
|
|
|
|
|
|
4620 |
Quenched and Tempered
Simulated Carburized Core |
47 |
368.5 |
687.5 |
997.8 |
58.2 |
34.0 |
277 |
4620 |
Thru Carburized
Simulated Case |
48 |
763.9 |
1316.6 |
2226.9 |
4.0 |
12.5 |
614 |
4320 |
Quenched and Tempered
Simulated Carburized Core |
49 |
547.1 |
920.0 |
994.0 |
63.0 |
43.0 |
201 |
4320 |
Thru Carburized
Simulated Case |
50 |
819.2 |
1250.0 |
|
2.2 |
2.1 |
600 |
1117 |
Quenched and Tempered
Simulated Carburized Core |
51 |
386.5 |
655.0 |
777.0 |
55.0 |
37.0 |
193 |
1117 |
Thru Carburized Simulated Case |
52 |
360.8 |
|
880.0 |
0.5 |
0.5 |
625 |
4620 |
Quenched and Tempered Simulated
Carburized Core |
53 |
453.5 |
891.5 |
963.7 |
61.9 |
43.0 |
285 |
4620 |
Thru Carburized Simulated Case |
54 |
737.6 |
1169.1 |
1775.6 |
1.4 |
7.7 |
682 |
5120 |
Quenched and Tempered
Simulated Carburized Core |
55 |
471.8 |
780.0 |
1008.0 |
58.0 |
46.0 |
252 |
5120 |
Thru Carburized Simulated Case |
56 |
664.0 |
1161.1 |
1403.0 |
2.7 |
1.2 |
682 |
9310 |
Quenched and Tempered Simulated
Carburized Core |
57 |
479.4 |
804.0 |
902.0 |
70.8 |
31.0 |
259 |
9310 |
Thru Carburized Simulated Case |
58 |
650.1 |
1024.2 |
1635.7 |
2.9 |
1.9 |
682 |
8822 |
Quenched and Tempered Simulated
Carburized Core |
59 |
442.1 |
918.0 |
1131.0 |
56.0 |
40.0 |
252 |
8822 |
Thru Carburized Simulated Case |
60 |
650.9 |
|
1970.0 |
1.1 |
1.1 |
625 |
1050 |
Quenched and Tempered Torsion
Tested, HRc=30 |
61 pdf |
|
|
|
|
|
286 |
8620 |
Carburized Case/Core Composite,
Surf 57 HRC, Eff Case 0.024",
Core 47 HRC. |
62 |
805.7 |
1356.6 |
1764.1 |
13.9 |
6.0 |
601 |
4320 |
Carburized Case/Core Composite,
Surf 52 HRC, Eff Case 0.011", Core
45 HRC. |
63 |
774.5 |
1344.5 |
1705.3 |
55.5 |
32.0 |
514 |
4140 |
Quenched and Tempered |
64 |
602.5 |
1297.0 |
1390.0 |
48.3 |
18.5 |
380 |
4140 |
Quenched and Tempered |
65 |
607.5 |
1305.6 |
1400.5 |
48.2 |
22.0 |
375 |
4140 |
Quenched and Tempered |
66 |
626.3 |
1330.0 |
1537.0 |
42.1 |
19.7 |
388 |
4140 |
Quenched and Tempered |
67 |
697.3 |
1314.0 |
1445.8 |
52.1 |
27.3 |
380 |
4140 |
Quenched and Tempered |
68 |
679.0 |
1255.1 |
1355.1 |
38.8 |
24.2 |
352 |
4140 |
Quenched and Tempered |
69 |
730.4 |
1341.0 |
1474.2 |
52.5 |
28.2 |
375 |
8620 |
Carburized Case/Core
Composite, Surf 59 HRC,
Eff Case 0.022", Core 45 HRC. |
70 |
731.1 |
1401.7 |
1677.2 |
14.2 |
10.7 |
614 |
8620 |
Thru Carburized Simulated Case |
71 |
796.1 |
1125.3 |
1868.7 |
0.7 |
1.7 |
653 |
41B17M (PS19) |
Quenched and Tempered Simulated
Carburized Core (Atmosphere) |
72 |
465.5 |
826.9 |
872.3 |
68.0 |
38.8 |
277 |
41B17M (PS19) |
Thru Carburized Simulated Carburized
Case (Atmosphere) |
73 |
235.4 |
1275.0 |
1275.0 |
1.0 |
1.0 |
665 |
86B20 |
Quenched and Tempered Simulated
Carburized Core (Atmosphere) |
74 |
498.6 |
989.0 |
1034.1 |
63.7 |
29.7 |
336 |
86B20 |
Thru Carburized Simulated Carburized
Case (Atmosphere) |
75 |
535.6 |
1114.9 |
1309.4 |
0.3 |
1.5 |
710 |
4140 |
Low Sulfur, Billet Forged to Test Block,
Normalized, Quenched and Tempered,
Transverse Tested |
76 |
587.7 |
1669.2 |
1924.3 |
15.7 |
8.5 |
477 |
4140 |
High Sulfur, Billet Forged to Test Block,
Normalized, Quenched and Tempered,
Transverse Tested |
77 |
308.7 |
1602.0 |
1679.9 |
1.5 |
3.0 |
477 |
41B17M (PS19) |
Quenched and Tempered Simulated
Carburized Core (Vacuum) |
78 |
480.5 |
863.1 |
904.0 |
64.7 |
42.0 |
285 |
41B17M (PS19) |
Thru Carburized Simulated Carburized
Case (Vacuum) |
79 |
475.2 |
1727.8 |
1876.8 |
5.5 |
2.0 |
653 |
4140 |
Low Sulfur, Billet Forged to Test Block,
Normalized, Quenched and Tempered,
Transverse Tested |
80 |
554.8 |
1290.7 |
1380.4 |
23.6 |
23.0 |
394 |
4140 |
High Sulfur, Billet Forged to Test Block,
Normalized, Quenched and Tempered,
Transverse Tested |
81 |
429.0 |
1263.2 |
1299.3 |
1.3 |
1.5 |
395 |
86B20 |
Quenched and Tempered Simulated
Carburized Core (Vacuum) |
82 |
494.8 |
1198.0 |
1502.0 |
59.7 |
59.5 |
401 |
86B20 |
Thru Carburized Simulated
Carburized Case (Vacuum) |
83 |
444.4 |
1349.6 |
1349.6 |
0.7 |
0.8 |
670 |
5160H |
Quenched and Tempered |
84 |
736.9 |
1604.2 |
1761.2 |
30.2 |
13.9 |
477 |
6150 |
Quenched and Tempered |
85 |
406.6 |
1878.2 |
2342.8 |
0.0 |
0.0 |
653 |
9254 |
Quenched and Tempered |
86 |
664.6 |
1841.0 |
2020.0 |
51.0 |
8.0 |
514 |
8620 |
Through Carburized Simulated Case Quenched and
Tempered 100% Martensite 0% Bainite |
87 |
543.9 |
1252.0 |
1485.0 |
0.0 |
1.2 |
673 |
8620 |
Through Carburized Simulated Case Isothermally
Transformed to 75% Martensite 25% Bainite |
88 |
758.4 |
1206.0 |
1390.0 |
0.0 |
1.0 |
745 |
8620 |
Through Carburized Simulated Case Isothermally
Transformed to 50% Martensite 50% Bainite |
89 |
565.6 |
1114.0 |
1497.0 |
0.0 |
1.3 |
682 |
8620 |
Through Carburized Simulated Case Isothermally
Transformed to 25% Martensite 75% Bainite |
90 |
570.0 |
1314.0 |
1883.0 |
0.0 |
2.2 |
614 |
15V41 |
As-Hot Rolled Controlled Cooled |
91 |
431.9 |
665.5 |
1070.7 |
32.6 |
21.9 |
263 |
1552 |
Thru Induction Hardened Simulated Case |
92 |
257.3 |
|
933.0 |
0.0 |
0.5 |
627 |
4140 |
Induction Thru Hardened |
93 |
552.4 |
1363.0 |
1514.0 |
48.0 |
19.0 |
352 |
1552 |
As Rolled Simulated Induction Hardened Core |
94 |
387.2 |
420.0 |
964.0 |
45.0 |
15.0 |
248 |
8620 |
Through Carburized Simulated Case
Isothermally Transformed to 100% Bainite |
95 |
614.6 |
1566.0 |
1785.0 |
39.0 |
15.0 |
470 |
4140 |
Mill Induction Hardened (Low Sulfur) |
96 |
601.9 |
1157.5 |
1247.8 |
47.5 |
24.5 |
409 |
4140 |
Mill Induction Hardened (High Sulfur) |
97 |
575.2 |
1167.1 |
1239.5 |
47.2 |
24.7 |
417 |
4140 |
Ultra-Low Sulfur, Billet Forged to Test Block,
Normalized, Quenched and Tempered, Transverse
Tested |
98 |
637.8 |
1622.2 |
1818.3 |
42.6 |
18.7 |
477 |
4140 |
Ultra-Low Sulfur, Billet Forged to Test Block,
Normalized, Quenched and Tempered, Transverse Tested |
99 |
574.2 |
1261.0 |
1332.7 |
44.0 |
30.8 |
375 |
SAE Grade |
Phase VII
Effect of Composition Range
and Atmosphere vs Vacuum Carburiztion
on 8822 Fatigue Properties |
Iter |
Fat.Str.@ N=106 (MPa) |
YS (MPa) |
UTS (MPa) |
%RA |
%ELong. |
BHN |
|
8822 |
Low Side Chem. Quench+Temper
Simulated Carburized Core (Atmosphere) |
100 |
511 |
884 |
946 |
67.2 |
36.8 |
297 |
8822 |
Low Side Chem. Thru Carburized
Simulated Carburized Case (Atmosphere) |
101 |
524 |
1082 |
1082 |
0 |
0.57 |
615 |
8822 |
Low Side Chem. Quench+Temper
Simulated Carburized Core (Vacuum) |
102 |
549 |
990 |
1335 |
46.9 |
23.8 |
301 |
8822 |
Low Side Chem. Quench+Temper
Simulated Carburized Core (Atmosphere). POL |
104 |
|
884 |
946 |
67.2 |
36.8 |
297 |
8822 |
Low Side Chem. Thru Carburized Simulated
Carburized Case (Atmosphere). POL |
105 |
|
1082 |
1082 |
0 |
0.57 |
615 |
8822 |
Low Side Chem. Quench+Temper
Simulated Carburized Core (Vacuum). POL |
106 |
|
990.0 |
1334.7 |
46.9 |
23.8 |
301 |
8822 |
High Side Chem. Quench+Temper
Simulated Carburized Core (Atmosphere) |
108 |
609 |
1135 |
1215 |
59.4 |
55.0 |
363 |
8822 |
High Side Chem. Thru Carburized Simulated
Carburized Case (Atmosphere) |
109 |
|
|
1480 |
|
0.9 |
555 |
8822 |
High Side Chem. Quench+Temper
Simulated Carburized Core (Vacuum) |
110 |
535 |
1528 |
1723 |
50.0 |
13.0 |
375 |
8822 |
High Side Chem. Quench+Temper
Simulated Carburized Core (Atmosphere). POL |
112 |
|
1135 |
1215 |
59.4 |
55.0 |
363 |
8822 |
High Side Chem. Thru Carburized Simulated
Carburized Case (Atmosphere). POL |
113 |
|
|
1480 |
|
0.9 |
555 |
8822 |
High Side Chem. Quench+Temper Simulated
Carburized Core (Vacuum). POL |
114 |
|
1528 |
1723 |
50.0 |
13.0 |
375 |
SAE Grade |
Phase VIII part 1
Effect of Sulfur on Transverse
Periodic Overload Fatigue
Properties of SAE4140 |
Iter |
Fat.Str.@ N=106 (MPa) |
YS (MPa) |
UTS (MPa) |
%RA |
%ELong. |
BHN |
|
4140 |
Ultra-Low Sulfur(.004), Billet Forged to Test Block, Normalized,
Quenched and Tempered, Transverse Tested, Overload Testing.
See Report 116, 117 + 118 for Overload Fatigue Data |
116 |
|
1261.0 |
1332.7 |
44.0 |
30.8 |
375 |
4140 |
Low Sulfur(.012) Billet Forged to Test Block, Normalized,
Quenched and Tempered, Transverse Tested. Overload Testing.
See Report 116, 117 + 118 For Overload Fatigue Data |
117 |
|
1290.7 |
1380.4 |
23.6 |
23.0 |
394 |
4140 |
High Sulfur(.077), Billet Forged to Test Block, Normalized,
Quenched and Tempered, Transverse Tested. Overload Testing.
See Report 116, 117 + 118 For Overload Fatigue Data |
118 |
|
1263.2 |
1299.3 |
1.3 |
1.5 |
395 |
SAE Grade |
Phase VIII part 2
Effect of Microstructure and
Hardness on Carburized Core
Fatigue Properties of
8620 4320 9310 20MnCr5 |
Iter |
Fat.Str.@ N=106 (MPa) |
YS (MPa) |
UTS (MPa) |
%RA |
%ELong. |
BHN |
|
8620 |
Quenched and Tempered Simulated Carburized Core.
Section Controlled Cooled |
119 |
380.4 |
693.5 |
991.0 |
54.0 |
32.4 |
326 |
8620 |
Quenched and Tempered Simulated Carburized Core.
Section Controlled Cooled |
120 |
430.2 |
795.8 |
1145.2 |
50.8 |
35.5 |
352 |
8620 |
Quenched and Tempered Simulated Carburized Core,
Section Controlled Cooled |
121 |
528.2 |
989.5 |
1310.8 |
52.0 |
26.9 |
382 |
4320 |
Quenched and Tempered Simulated Carburized Core.
Section Controlled Cooled |
122 |
392 |
621 |
905 |
59.2 |
11.0 |
277 |
4320 |
Quenched and Tempered Simulated Carburized Core.
Section Controlled Cooled. |
123 |
466 |
745 |
1010 |
57.0 |
11.3 |
285 |
4320 |
Quenched and Tempered Simulated Carburized Core.
Section Controlled Cooled. |
124 |
677 |
867 |
1238 |
55.2 |
11.0 |
363 |
9310 |
Quenched and Tempered Simulated Carburized Core.
Section Controlled Cooled. |
125 |
450.0 |
666.0 |
883.0 |
61.4 |
13.2 |
277 |
9310 |
Quenched and Tempered Simulated Carburized Core.
Section Controlled Cooled. |
126 |
531.5 |
850.0 |
1085.0 |
57.5 |
9.9 |
331 |
9310 |
Quenched and Tempered Simulated Carburized Core.
Section Controlled Cooled. |
127 |
533.2 |
990.0 |
1201.0 |
56.5 |
8.8 |
352 |
20MnCr5 |
Quenched and Tempered Simulated Carburized Core.
Section Controlled Cooled |
128 |
399.3 |
695.0 |
960.0 |
50.7 |
13.8 |
265 |
20MnCr5 |
Quenched and Tempered Simulated Carburized Core.
Section Controlled Cooled |
129 |
489.0 |
852.0 |
1053.0 |
56.5 |
11.3 |
302 |
20MnCr5 |
Quenched and Tempered Simulated Carburized Core.
Section Controlled Cooled. |
130 |
606.8 |
1071.0 |
1337.0 |
52.0 |
10.4 |
388 |
SAE Grade |
Phase IX part 2
Comprare As-Rolled with Forged
Fatigue Properties of
1538MV |
Iter |
Fat.Str.@ N=106 (MPa) |
YS (MPa) |
UTS (MPa) |
%RA |
%ELong. |
BHN |
|
1538MV |
As-Hot Rolled Bar |
131 |
439.1 |
650.3 |
973.4 |
28.3 |
24.9 |
285 |
1538MV |
As-Hot Rolled Bar. Overload Testing. |
132 |
|
650.3 |
973.4 |
28.3 |
24.9 |
285 |
1538MV |
Forged Crankshafts. Specimens From 5 Crankshafts
from 5 Heats of Steel. |
133 |
382.3 |
627.9 |
943.2 |
36.4 |
26.7 |
277 |
1538MV |
Forged Crankshafts. Specimens From 5 Crankshafts
from 5 Heats of Steel. Overload Testing.
|
134 |
|
627.9 |
943.2 |
36.4 |
26.7 |
277 |
SAE Grade |
Phase IX part 3
Effect of Carburizing Practice
on Fatigue Properties of
20MoCr4 |
Iter |
Fat.Str.@ N=106 (MPa) |
YS (MPa) |
UTS (MPa) |
%RA |
%ELong. |
BHN |
|
20MoCr4 |
Quenched and Tempered Simulated Carburized Core (Atmosphere) |
135 |
478 |
837 |
987 |
51.0 |
26.0 |
327 |
20MoCr4 |
Quenched and Tempered Simulated Carburized Core (Atmosphere).
Overload Testing. See Report 135 + 136 For Overload Fatigue Data |
136 |
|
837 |
987 |
51.0 |
26.0 |
327 |
20MoCr4 |
Thru Carburized Simulated Carburized Case (Atmosphere) |
137 |
461 |
1265 |
1394 |
0.0 |
0.0 |
627 |
20MoCr4 |
Thru Carburized Simulated Carburized Case (Atmosphere).
Overload Testing. See Report 137 + 138 For Overload
Fatigue Data. |
138 |
|
1265 |
1394 |
0.0 |
0.0 |
627 |
20MoCr4 |
Quenched and Tempered Simulated Carburized Core (Vacuum) |
139 |
434 |
870 |
1288 |
51.6 |
34.1 |
326 |
20MoCr4 |
Quenched and Tempered Simulated Carburized Core (Vacuum).
Overload Testing. See Report 139 +140 For Overload
Fatigue Data. |
140 |
|
870 |
1288 |
51.6 |
34.1 |
326 |
20MoCr4 |
Thru Carburized Simulated Carburized Case (Vacuum) |
141 |
465 |
|
965 |
0.0 |
3.2 |
653 |
20MoCr4 |
Thru Carburized Simulated Carburized Case (Vacuum).
Overload Testing. See Report 141 + 142 For Overload
Fatigue Data. |
142 |
|
|
965 |
0.0 |
3.3 |
653 |
35 SAE Grade |
Phase X
Effect of Microstructure and Hardness
on Carburized Core Overload Fatigue
Properties of 8620 , 4320 , 9310 , 20MnCr5
(Compare with Phase VIII ) |
Iter |
Fat.Str.@ N=106 (MPa) |
YS (MPa) |
UTS (MPa) |
%RA |
%ELong. |
BHN |
|
8620 |
Quenched and Tempered Simulated Carburized Core.
Section Controlled Cooled. Overload Testing.
See Report 119 + 143 For Overload Fatigue Data |
143 |
|
693.5 |
991.0 |
54.0 |
32.4 |
236 |
8620 |
Quenched and Tempered Simulated Carburized Core.
Section Controlled Cooled. Overload Testing.
See Report 120 + 144 For Overload Fatigue Data |
144 |
|
795.8 |
1145.2 |
50.8 |
35.5 |
352 |
8620 |
Quenched and Tempered Simulated Carburized Core.
Section Controlled Cooled. Overload Testing.
See Report 121 + 145 For Overload Fatigue Data. |
145 |
|
989.5 |
1310.8 |
52.0 |
26.9 |
381 |
4320 |
Quenched and Tempered Simulated Carburized Core.
Section Controlled Cooled. Overload Testing.
See Report 122 + 146 For Overload Fatigue Data |
146 |
|
620.5 |
905.0 |
59.2 |
11.0 |
277 |
4320 |
Quenched and Tempered Simulated Carburized Core.
Section Controlled Cooled. Overload Testing.
See Report 123 + 147 For Overload Fatigue Data |
147 |
|
745.0 |
1010.0 |
57.0 |
11.3 |
288 |
4320 |
Quenched and Tempered Simulated Carburized Core.
Section Controlled Cooled. Overload Testing.
See Report 124 + 148 For Overload Fatigue Data |
148 |
148 |
|
867.0 |
1238.0 |
55.2 |
11.0 |
363 |
9310 |
Quencheds and Tempered Simulated Carburized Core.
Section Controlled Cooled. Overload Testing.
See Report 125 + 149 For Overload Fatigue Data |
149 |
|
666.0 |
883.0 |
61.4 |
13.2 |
277 |
9310 |
Quenched and Tempered Simulated Carburized Core.
Section Controlled Cooled. Overload Testing.
See Report 126 + 150 For Overload Fatigue Data |
150 |
|
850.0 |
1085.0 |
57.5 |
9.9 |
331 |
9310 |
Quenched and Tempered Simulated Carburized Core.
Section Controlled Cooled. Overload Testing.
See Report 127 + 151 For Overload Fatigue Data |
151 |
|
990.0 |
1201.0 |
56.5 |
8.8 |
352 |
20MnCr5 |
Quenched and Tempered Simulated Carburized Core.
Section Controlled Cooled. Overload Testing.
See Report 128 + 152 For Overload Fatigue Data |
152 |
|
695.0 |
960.0 |
50.7 |
13.8 |
265 |
20MnCr5 |
Quenched and Tempered Simulated Carburized Core.
Section Controlled Cooled. Overload Testing.
See Report 129 + 153 For Overload Fatigue Data |
153 |
|
852.0 |
1053.0 |
56.5 |
11.3 |
302 |
20MnCr5 |
Quenched and Tempered Simulated Carburized Core.
Section Controlled Cooled. Overload Testing.
See Report 130 + 154 For Overload Fatigue Data |
154 |
|
1071.0 |
1337.0 |
52.0 |
10.4 |
388 |
SAE Grade |
Phase XI
Compare Bending and Axial Fatigue of
Carburized Case+Core Specimens with
Controlled Low Core Hardness
8615 |
Iter |
Fat.Str.@ N=106 (MPa) |
YS (MPa) |
UTS (MPa) |
%RA |
%ELong. |
BHN |
|
8615 |
Quenched and Tempered Simulated Carburized Core (Atmosphere) |
155 |
451.5 |
753.2 |
1011.0 |
61.5 |
36.5 |
225 |
8615 |
Quenched and Tempered Simulated Carburized Core (Atmosphere).
Four-Point Bend Testing. |
156 |
|
|
|
|
|
285 |
8615 |
Carburized Case/Core Composite (Atmosphere).
Shallow CD |
157 |
636.4 |
921.4 |
1154.2 |
8.5 |
8.1 |
653 |
8615 |
Carburized Case/Core Composite (Atmosphere).
Shallow CD. Overload Testing. See Report 157 + 158
For Overload Fatigue Data. |
158 |
|
921.4 |
1154.2 |
8.5 |
8.1 |
653 |
8615 |
Carburized Case/Core Composite (Atmosphere).
Shallow CD. Four-Point Bend Testing |
159 |
|
|
|
|
|
653 |
8615 |
Carburized Case/Core Composite (Atmosphere).
Shallow CD. Four-Point Bend Testing. Overload Testing.
See Report 159 + 160 For Overload Fatigue Data |
160 |
|
|
|
|
|
653 |
8615 |
Carburized Case/Core Composite (Atmosphere). Deep CD |
161 |
720.8 |
1017.0 |
1182.4 |
2.5 |
2.8 |
673 |
8615 |
Carburized Case/Core Composite. (Atmosphere).
Deep CD. Overload Testing. See Report 161+162
For Overload Fatigue Data. |
162 |
|
1017.0 |
1182.4 |
2.5 |
2.8 |
673 |
8615 |
Carburized Case/Core Composite (Atmosphere).
Deep CD. Four-Point Bend Testing |
163 |
|
|
|
|
|
673 |
8615 |
Carburized Case/Core Composite (Atmosphere).
Deep CD. Four-Point Bend Testing.
Overload Testing. See Report 163 + 164 For
Overload Fatigue Data. |
164 |
|
|
|
|
|
673 |
SAE Grade |
Phase XII
Effect of Alloy Content (Ni) on
Carburized Case Fatigue Properties
8620 , 4320 , 9310 , 20MnCr5 |
Iter |
Fat.Str.@ N=106 (MPa) |
YS (MPa) |
UTS (MPa) |
%RA |
%ELong. |
BHN |
|
8620 |
Thru Carburized Simulated Carburized Case (Vacuum) |
165 |
239.4 |
690.0 |
757.0 |
0.2 |
0.5 |
688 |
8620 |
Thru Carburized Simulated Carburized Case (Vacuum).
Overload Testing. See Report 165 + 166 For
Overload Fatigue Data. |
166 |
|
690.0 |
757.0 |
0.2 |
0.5 |
688 |
4320 |
Thru Carburized Simulated Carburized Case (Vacuum) |
167 |
264.5 |
|
783.0 |
0.3 |
0.6 |
653 |
9310 |
Thru Carburized Simulated Carburized Case (Vacuum) |
168 |
341.0 |
764.0 |
1019.0 |
0.4 |
0.9 |
653 |
9310 |
Thru Carburized Simulated Carburised Case (Vacuum).
Overload Testing. See Report 168 + 169 For
Overload Fatigue Data. |
169 |
|
764.0 |
1019.0 |
0.4 |
0.9 |
653 |
20MnCr5 |
Thru Carburized Simulated Carburized Case (Vacuum) |
170 |
219.6 |
|
684.0 |
0.2 |
0.5 |
653 |
SAE Grade |
Phase XIII
Rotating Bending Fatigue Properties
of Carburizing and Forged Steels
8620 , 4320 , 20MnCr5 , 9310 , 1538MV |
Iter |
Fat.Str.@ N=106 (MPa) |
YS (MPa) |
UTS (MPa) |
%RA |
%ELong. |
BHN |
|
8620 |
8620 Carburized Steel, Case and Core, Rotating Bending
Fatigue See Pictures of Microstructure Tab for Data) |
171 |
|
|
|
|
|
682 |
20MnCr5 |
20MnCr5 Carburized Case and Core, Rotating
Bending Fatigue (See Pictures of Microstructure
Tab for Data) |
173 |
|
|
|
|
|
682 |
SAE Grade |
Phase XIV
Comparison of Bending and Axial
Fatigue Properties of Carburized
Shallow vs Deep Case - 9310 |
Iter |
Fat.Str.@ N=106 (MPa) |
YS (MPa) |
UTS (MPa) |
%RA |
%ELong. |
BHN |
|
9310 |
Target was Carburized Core, Axial Speci.
Actually a Case-Core Composite due to
a HeatTreat problem. Plan to Re-do |
176 |
|
1095 |
1468 |
4.78 |
7.2 |
|
9310 |
Simulated Carburized Core, 4 Point Bending Fatigue,
See Report in Documents Section for Data/Details |
177 |
|
|
|
|
|
348 |
9310 |
Carburized Case/Core Composite, Shallow Case Depth,
4 Point Bending Fatigue, See Report in Documents
Section for Data/Details |
180 |
|
|
|
|
|
653 |
9310 |
Caurburized Case/Core Composite, Shallow Case Depth,
4 Point Bending Fatigue with Overload, See Report in Documents
Section for Data/Details. |
181 |
|
|
|
|
|
653 |
9310 |
Carburized Case/Core Composite, Deep Case Depth,
4 Point Bending Fatigue, See Report in Documents
Section for Data/Details |
184 |
|
|
|
|
|
653 |
9310 |
Carburized Case/Core Composite, Deep Case Depth,
4 Point Bending with Overload, See Report in Documents
Section for Data/Details |
185 |
|
|
|
|
|
653 |
SAE Grade |
Phase XV
Compare Bending and Axial Fatigue
Properties of Carburized Specimens
Shallow vs Deep Case
16MnCr5 |
Iter |
Fat.Str.@ N=106 (MPa) |
YS (MPa) |
UTS (MPa) |
%RA |
%ELong. |
BHN |
|
16MnCr5 |
Quenched and Tempered Simulated Carburized Core,
Axial Testing |
186 |
556.0 |
1040.1 |
1397.9 |
32.0 |
26.4 |
415 |
16MnCr5 |
Quenched and Tempered Simulated Carburized Core.
Four Point Bend Testing |
187 |
|
|
|
|
|
380 |
16MnCr5 |
Carburized Case/Core Composite (Atmosphere).
Shallow CD. Four-Point Bend Testing |
190 |
|
|
|
|
|
|
16MnCr5 |
Carburized Case/Core Composite. (Atmosphere).
Shallow CD. Four-Point Bend Testing. Overload Testing.
See Report 190 + 191 For Overload Fatigue Data |
191 |
|
|
|
|
|
|
16MnCr5 |
Carburized Case/Core Composite (Atmosphere).
Deep CD. Four-Point Bend Testing. |
194 |
|
|
|
|
|
|
16MnCr5 |
Carburized Case/Core Composite (Atmosphere).
Deep CD. Four-Point Bend Testing. Overload
Testing. See Report 194 + 195 For Overload Fatigue Data. |
195 |
|
|
|
|
|
|
SAE Grade |
Phase XVI
Fatigue Properties of Modified Steels
Carburized at High Temperature
( Compare 1700F vs 1900F Carb.)
16MnCr5(Mod) , 4120(Mod) |
Iter |
Fat.Str.@ N=106 (MPa) |
YS (MPa) |
UTS (MPa) |
%RA |
%ELong. |
BHN |
|
16MnCr5(Mod) |
Simulate Carburized Core 1900F Carb. Axial |
196 |
|
|
|
|
|
|
16MnCr5(Mod) |
Simulate Carburized Core 1900F Carb. 4pt Bending |
197 |
|
|
|
|
|
|
4120(Mod) |
Simulate Carburized Core 1900F Carb. Axial |
198 |
|
|
|
|
|
|
4120(Mod) |
Simulate Carburized Core 1900F Carb. 4pt Bending |
199 |
|
|
|
|
|
|
16MnCr5(Mod) |
At DANA, Thru Carb.(1900F) Case, Axial |
200> |
|
|
|
|
|
|
16MnCr5(Mod) |
Case+Core Composite, 1900F Carb. 4pt Bending |
201 |
|
|
|
|
|
|
16MnCr5 |
Not Modified !
Case+Core Composite, 1900F Carb. 4pt Bending
(Check for Grain Growth) |
201A |
|
|
|
|
|
|
4120(Mod) |
At DANA, Thru Carb.(1900F) Case, Axial |
202 |
|
|
|
|
|
|
4120(Mod) |
Lost Shipment by Fedex |
203 |
|
|
|
|
|
|
16MnCr5(Mod) |
Simulated Carburized Core, 1700F Carb., Axial |
204 |
|
1050.0 |
1370.0 |
48.1 |
22.4 |
|
16MnCr5(Mod) |
Simulated Carburized Core, 1700F Carb., 4pt Bending |
205 |
|
|
|
|
|
|
4120(Mod) |
Simulated Carburized Core, 1700F Carb., Axial |
206 |
|
|
|
|
|
|
4120(Mod) |
Simulated Carburized Core, 1700F Carb. 4pt Bending |
207 |
|
|
|
|
|
|
16MnCr5(Mod) |
At DANA, Thru Carburized 1700F Simul. Case, Axial |
208 |
|
|
|
|
|
|
16MnCr5(Mod) |
Case+Core Composite, 1700F Carb. 4pt Bending |
209 |
|
|
|
|
|
|
4120(Mod) |
At DANA, Thru Carburized 1700F Simul. Case., Axial |
210 |
|
|
|
|
|
|
4120(Mod) |
Case+Core Composite, 1700F Carb. 4pt Bending |
211 |
|
|
|
|
|
|
I
SAE Grade |
Phase XVII
Elevated Temperature Fatigue Properties
8620 |
Iter |
Fat.Str.@ N=106 (MPa) |
YS (MPa) |
UTS (MPa) |
%RA |
%ELong. |
BHN |
|
4120(Mod) |
Spring Steel Sheet
Quenched + Temper(177C) |
227 |
|
|
|
|
|
|
1074 |
Spring Steel Sheet
Austempered |
228 |
|
|
|
|
|
|
I
SAE Grade |
Phase XIX
Effect of Carbon Content and Grain Size
on Fatigue Properties of Steels
8640 , 8655 , 8670 , 8685 , 86100 |
Iter |
Fat.Str.@ N=106 (MPa) |
YS (MPa) |
UTS (MPa) |
%RA |
%ELong. |
BHN |
|
8640 |
Vacuum Melt, Quench+Temper |
234 |
|
|
|
|
|
|
8640 |
Vacuum Melt 927C 12 hrs,
Quench+Temper |
235 |
|
|
|
|
|
|
8655 |
Vacuum Melt, Quench+Temper |
236 |
|
|
|
|
|
|
8655 |
Vacuum Melt 927C 12 hrs,
Quench+Temper |
237 |
|
|
|
|
|
|
8670 |
Vacuum Melt, Quench+Temper |
238 |
|
|
|
|
|
|
8670 |
Vacuum Melt 927C 12 hrs,
Quench+Temper |
239 |
|
|
|
|
|
|
8685 |
Vacuum Melt, Quench+Temper |
240 |
|
|
|
|
|
|
8685 |
Vacuum Melt 927C 12 hrs,
Quench+Temper |
241 |
|
|
|
|
|
|
86100 |
Vacuum Melt, Quench+Temper |
242 |
|
|
|
|
|
|
86100 |
Vacuum Melt 927C 12 hrs,
Quench+Temper |
243 |
|
|
|
|
|
|