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Tensile Properties

Tensile Data, Plate

Test Temperature 0.2% Yield Strength Ultimate Tensile Strength Elongation
°F °C ksi MPa ksi MPa %
70 21 49.3 340 110.2 760 48.9
1000 538 32.5 224 87.6 604 60.2
1200 649 30.7 212 80.9 558 63.5
1400 760 31.6 218 61.0 421 74.5
1600 871 27.4 189 37.0 255 98.1
1800 982 13.6 94 20.0 138 98.1
2000 1093 6.5 45 10.4 72 95.3

Tensile Data, Sheet

Test Temperature 0.2% Yield Strength Ultimate Tensile Strength Elongation
°F °C ksi MPa ksi MPa %
70 21 54.5 376 113.5 783 46.5
1000 538 36.7 253 91.0 628 53.6
1200 649 34.9 241 84.2 580 65.5
1400 760 33.8 233 61.6 424 95.6
1600 871 28.0 193 36.5 251 117.9
1800 982 12.8 88 18.9 130 81.5
2000 1093 6.2 43 9.5 65 50.6

Average Effect of Cryogenic Temperatures on Tensile Properties

Form Condition Test
Temperature
0.2% Yield
Strength
Ultimate
Tensile Strength
Elongation
- - °F °C ksi MPa ksi MPa %
Plate Heat-treated at  2150°F(1177°C),
Rapid Cooled
-196 -321 - - 150.2 1036 46
-78 -108 - - 118.8 819 51
22 72 47.0 324 104.5 721 46

Average Short-term Tensile Data, Cold-reduced and Welded 0.109 in. (2.8mm) Sheet

Condition Form 0.2% Yield Strength Ultimate Tensile Strength
- - ksi MPa ksi MPa
As Cold-reduced Reduced 5% 82.0 565 123.0 848
Reduced 15% 106.0 731 137.0 945
Reduced 30% 137.0 945 161.0 1110
Cold-reduced and
Welded, As Welded
Reduced 5% 68.0 469 114.9 792
Reduced 15% 72.1 497 113.1 780
Reduced 30% 69.9 482 112.9 778

NOTE: All cold-reduced sheet and the various weld samples were produced from material which had been solution heat-treated prior to cold reduction or welding. All data were obtained at room temperature and are the result of a limited number of tests.

Average Tensile Data, Weldments

Condition Weld
Method
Material 0.2% Yield Strength Ultimate Tensile Strength Elongation
- - - ksi MPa ksi MPa %
As-Welded Shielded Metal Arc
(covered electrodes)
Sheet, 0.125 in. (3.2mm) 55.2 381 110.2 760 26
Plate, 0.250 in. (6.4mm) 56.7 391 109.8 757 26
Plate, 0.375 in. (9.5mm) 55.4 382 110.2 760 26
As-Welded Gas Tungsten Arc (TIG) Sheet, 0.125 in. (3.2mm) 59.1 407 110.2 759 26
Plate, 0.250 in. (6.4mm) 53.1 365 107.1 738 25
Plate, 0.375 in. (9.5mm) 54.9 379 107.6 742 22
As-Welded Gas Metal Arc
(MIG)
Sheet, 0.125 in. (3.2mm) 53.1 366 103.7 715 22
Plate, 0.250 in. (6.4mm) 55.0 379 110.8 764 33
Plate, 0.375 in. (9.5mm) 57.0 393 106.4 734 24

Average Weld Metal

Test Temperature 0.2% Yield Strength Ultimate Tensile Strength Elongation
°F °C ksi MPa ksi MPa
RT RT 66.4 458 98.6 680 28 in 1 inch
600 316 52.1 359 80.4 554 27 in 1.125 inches
1000 538 49.2 339 76.3 526 28 in 1.125 inches
1500 816 38.2 263 56.7 391 45 in 1.125 inches

RT= Room Temperature

Average Aged Tensile Data, Room Temperature*

Form Aging
Temperature
Aging Time 0.2% Yield
Strength
Ultimate
Tensile Strength
Elongation
- °F °C h ksi MPa ksi MPa %
Sheet
0.125 in.
(3.2mm) thick
SHT SHT - 55.2 381 114.3 788 57
1200 649 1000 61.0 421 125.0 862 35
4000 76.2 525 143.8 991 19
8000 78.6 542 147.9 1020 19
16000 78.1 538 148.0 1020 15
1400 760 1000 65.3 450 137.0 945 23
4000 64.3 443 134.6 928 18
8000 61.3 423 131.0 903 19
16000 59.3 409 126.1 869 17
1600 871 1000 53.2 369 123.0 848 26
4000 49.3 340 117.9 813 29
8000 48.2 332 115.0 793 30
16000 46.1 318 111.1 766 29
Plate
1/2 in.
(12.7mm) thick
SHT SHT - 49.5 341 109.9 758 47
1200 649 1000 56.5 390 121.4 837 33
4000 73.4 506 142.5 983 18
8000 73.0 503 143.6 990 18
1400 760 1000 56.9 392 129.4 892 23
4000 56.9 392 129.9 896 21
8000 56.3 388 129.2 891 20
1600 871 1000 47.6 328 119.0 820 31
4000 44.9 310 116.7 805 28
8000 43.9 303 113.7 784 26
16000 42.7 394 109.0 752 26

*Test data for each form are from a single heat. SHT=Solution heat-treated (not aged).

Average Welded and Aged Tensile Data, Room Temperature*

Form Aging Temperature Aging Time 0.2% Yield Strength Ultimate
Tensile Strength
Elongation
- °F °C h ksi MPa ksi MPa %
Plate 1/2 in (12.7mm) thick 1600 871 8000 47.9 330 109.0 752 22
Gas Tungsten Arc Welded Plate,

1/2 in. (12.7mm)
thick

1200 649 1000 66.0 455 126.9 875 33
4000 86.5 596 150.1 1035 19
8000 82.9 572 145.5 1003 18
1400 760 1000 58.2 401 128.2 884 19
4000 62.3 430 127.4 878 18
8000 62.3 430 125.2 863 15
1600 871 4000 49.7 343 105.3 726 15
8000 46.9 323 98.0 676 16
All Weld Metal** 1200 649 1000 87.5 603 123.0 848 8
4000 86.0 593 139.3 960 8
8000 86.8 598 131.8 909 9
1400 760 1000 62.7 432 113.5 783 12
4000 60.6 418 110.5 762 6
8000 59.8 412 97.7 674 7
1600 871 1000 48.3 330 92.8 640 9
8000 46.3 319 92.7 639 11

*Test data for each form are from a single heat. 
**Single test data. 
Gas tungsten arc welded.

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