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A 1082 Grade 31803

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A 1031 Grade 8740 A 213 18Cr-2Mo
#318

Description

USA SAE A1082/A1082M (2012), A 1082 Grade 31803 Specialsteel High Strength Precipitation Hardening and Duplex Stainless Steel Bolting for Special Purpose Applications and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 1082 Grade 31803
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 1082 Grade 31803 Precipitation-Hardening SAE USA High Strength Precipitation Hardening and Duplex Stainless Steel Bolting for Special Purpose Applications

Chemical composition(mass fraction)(wt.%) of the A 1082 Grade 31803

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 1082 Grade 31803

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)
921 (≥) 334 (≥) 13 23 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical Properties of steel grade A 1082 Grade 31803

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
34 - -     0.24 -  
894 729 - 42.3 334   -  
248 - 23 34.2   222 212

Heat Treatment of steel grade A 1082 Grade 31803

Heat treated : 1186°C - 1179°C

Technological Curves of steel grade A 1082 Grade 31803

Cross Reference Table (Equivalent Grade) of A 1082 Grade 31803

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 1082 Grade 31803

A1082/A1082M (2012) High Strength Precipitation Hardening and Duplex Stainless Steel Bolting for Special Purpose Applications A1082-A1082M-(2012).pdf
A 1031 Grade 8740 A 213 18Cr-2Mo
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