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A 1031 Grade 8740

Favorite Datasheet
A 1031 Grade 8735 A 1082 Grade 31803
#318

Description

USA SAE A 1031/A1031M (2012), A 1031 Grade 8740 Specialsteel Steel, Sheet and Strip, Heavy-Thickness Coils, Alloy, Drawing Steel and Structural Steel, Hot-Rolled and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 1031 Grade 8740
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 1031 Grade 8740 Precipitation-Hardening SAE USA Steel, Sheet and Strip, Heavy-Thickness Coils, Alloy, Drawing Steel and Structural Steel, Hot-Rolled

Chemical composition(mass fraction)(wt.%) of the A 1031 Grade 8740

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo V
≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.03 13.00 -15.00 17.00 -19.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ 1.75 -2.75 ≤ ≥

Mechanical Properties of steel grade A 1031 Grade 8740

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
311 (≥) 375 (≥) 44 31 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade A 1031 Grade 8740

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
43 - -     0.34 -  
848 333 - 44.3 241   -  
742 - 42 14.2   131 414

Heat Treatment of steel grade A 1031 Grade 8740

Heat treated : 1488°C - 1148°C

Technological Curves of steel grade A 1031 Grade 8740

Cross Reference Table (Equivalent Grade) of A 1031 Grade 8740

Grade Standard Country Application
1.4318
1.4318
1.3318
S31803
318
S31803
ASTM J93183
UNS W50318
UNS W21318
AWS E318
AWS ER318
1.3318
1.3318
2205(S31803)
S31803
318S17
318S17
1.4318
1.4318

Relevant standard of A 1031 Grade 8740

A 1031/A1031M (2012) Steel, Sheet and Strip, Heavy-Thickness Coils, Alloy, Drawing Steel and Structural Steel, Hot-Rolled A-1031-A1031M-(2012).pdf
A 1031 Grade 8735 A 1082 Grade 31803
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