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Tensile Properties of Cold-worked Material

Average Room Temperature Tensile Properties of Bar
(Cold-worked in the Range 43-47%)

Condition 0.2% Offset
Yield Strength 		Ultimate Tensile
Strength 		Elongation Reduction
of Area
ksi MPa ksi MPa % %
Cold-worked Bar 198.0 1365 203.5 1403 16.7 64.2

Room Temperature Tensile Properties of Bar as a Function of Diameter and Percentage Cold-work

Bar Diameter* Cold-work Room Temperature Tensile Properties
0.2% Offset Yield Strength Ultimate Tensile Strength Elongation
in mm % ksi MPa ksi MPa %
0.5 12.7 43 191.1 1317 196.5 1355 18.2
0.75 19.1 44 204.7 1411 210.0 1448 15.5
1.0 25.4 44 188.3 1298 193.8 1336 17.6
1.25 31.8 46 205.2 1415 210.9 1454 15.4
1.567 39.8 37 184.2 1270 192.7 1329 17.4
2.0 50.8 47 207.5 1431 212.0 1462 13.0
2.375 60.3 54 181.4 1251 190.5 1313 21.2
2.5 63.5 49 180.0 1241 183.7 1267 18.2
3.62 91.9 42 192.3 1326 197.3 1360 14.0

*Averages from duplicate test samples

Room and Elevated Temperature Tensile Properties of 0.5 in Diameter
Cold-worked (43%) Bar

Test Temperature 0.2% Offset Yield Strength Ultimate Tensile Strength Elongation Reduction of Area
°F °C ksi MPa ksi MPa % %
RT RT 195.1 1345 200.4 1382 18.0 65.2
400 204 181.8 1254 182.6 1259 14.6 63.1
500 260 181.0 1248 181.1 1249 14.1 60.8

Room and Elevated Temperature Tensile Properties of 2.375 in Diameter Cold-worked (54%) Bar as a Function of Orientation (Longitudinal and Transverse)

Test Temperature Orientation 0.2% Offset Yield Strength Ultimate Tensile Strength Elongation Reduction of Area
°F °C  - ksi MPa ksi MPa % %
RT RT Longitudinal 181.4 1251 190.5 1313 21.2 71.1
Transverse 156.6 1080 183.0 1262 18.8 60.9
350 177 Longitudinal 160.2 1105 166.6 1149 18.5 72.2
Transverse 138.3 954 160.9 1109 16.1 59.6
450 232 Longitudinal 156.1 1076 163.1 1125 18.3 72.2
Transverse 139.0 958 156.7 1080 14.8 59.3

Average Room Temperature Tensile Properties of Tube
(Cold-worked in the Range 52-53%)

Condition 0.2% Offset Yield Strength Ultimate Tensile Strength Elongation
ksi MPa ksi MPa %
Cold-worked Tube 187.3 1291 195.0 1345 15.1

Room and Elevated Temperature Tensile Properties of Cold-worked Tube
(3.5 in Diameter by 0.43 in Wall Thickness) (52-53%) as a Function of Orientation
(Longitudinal and Transverse)

Test Temperature Orientation 0.2% Offset Yield Strength Ultimate Tensile Strength Elongation Reduction of Area
°F °C ksi MPa ksi MPa % %
RT RT Longitudinal 166.0 1145 180.4 1244 18.8 69.5
Transverse 156.3 1078 175.8 1212 29.2 63.6
400 204 Longitudinal 149.3 1029 157.6 1087 16.8 68.7
Transverse 143.2 987 155.1 1069 25.8 64.8
500 260 Longitudinal 147.6 1018 154.2 1063 16.5 67.1
Transverse 138.0 951 151.4 1044 24.8 60.9
600 316 Longitudinal 144.9 999 151.5 1045 16.9 66.4
Transverse 135.7 936 147.5 1017 25.5 62.3

Values are averages from 10 tests
RT= Room Temperature

Statistical Temperature De-rating C-22HS® Cold-worked Tubing

C-22HS

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