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XM-31

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S20910 S21400
#XM-31 #S21400

Description

USA UNS SAE J 405 (1998) , XM-31 Specialsteel Chemical compositions of SAE wrought stainless steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: XM-31
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel XM-31 Austenite UNS USA Chemical compositions of SAE wrought stainless steels

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

C Si Mn P S Cr Ni N
≤0.12 0.30 -1.00 14.5 -16.0 ≤0.045 ≤0.03 17.0 -18.5 ≤1.00 ≤0.35

Mechanical Properties of steel grade 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)
252 (≥) 129 (≥) 33 22 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade 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
22 - -     0.41 -  
667 678 - 34.3 341   -  
229 - 23 13.2   222 212

Heat Treatment of steel grade XM-31

Heat treated : 1349°C - 1233°C

Technological Curves of steel grade XM-31

Cross Reference Table (Equivalent Grade) of XM-31

Grade Standard Country Application
XM-31
XM-31
XM-31
S21400
S21400
S21400

Relevant standard of XM-31

SAE J 405 (1998) Chemical compositions of SAE wrought stainless steels SAE-J-405--(1998)-.pdf
S20910 S21400
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