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A959 Type XM-31

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America ASTM A959TypeXM-31 锻制不锈钢用说明协调标准等级构成的标准指南 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A959TypeXM-31 / A959 Type XM-31
Category Grade Standard Region/Area Standard Content
Metals A959 Type XM-31 ASTM A959 America 锻制不锈钢用说明协调标准等级构成的标准指南

Chemical composition(mass fraction)(wt.%) of the A959 Type XM-31

Element Min Max Similar
Si 0.3000 1.0000 -
S - 0.0300 -
P - 0.0450 -
Ni - 1.0000 -
N 0.3500 - -
Mn 14.0000 16.0000 -
Cr 17.0000 18.5000 -
C - 0.1200 -

Mechanical Properties of steel grade A959 Type XM-31

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)
872 (≥) 425 (≥) 24 43 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade A959 Type XM-31

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 -  
722 164 - 22.3 333   -  
139 - 12 11.2   123 432

Heat Treatment of steel grade A959 Type XM-31

Heat treated : 1869°C - 1349°C

Technological Curves of steel grade A959 Type XM-31

Cross Reference Table (Equivalent Grade) of A959 Type XM-31

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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