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A 959 Type 631

Favorite Datasheet
A 705 631 A 564 632
#631 #S17700

Description

USA SAE A 959 (2011), A 959 Type 631 Specialsteel Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 959 Type 631
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 959 Type 631 Precipitation-Hardening SAE USA Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

Chemical composition(mass fraction)(wt.%) of the A 959 Type 631

C Mn Si P S Cr Ni Mo Al
≤0.09 ≤1.00 ≤1.00 ≤0.04 ≤0.03 16.00 -18.00 6.50 -7.75 ≤ ≥ 0.75 -1.50

Mechanical Properties of steel grade A 959 Type 631

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)
654 (≥) 469 (≥) 34 32 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade A 959 Type 631

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
42 - -     0.31 -  
298 615 - 21.3 341   -  
446 - 42 34.2   211 342

Heat Treatment of steel grade A 959 Type 631

Heat treated : 1315°C - 1886°C

Technological Curves of steel grade A 959 Type 631

Cross Reference Table (Equivalent Grade) of A 959 Type 631

Grade Standard Country Application
2.4631
1.2631
1.6311
631
S63198
631
S63198
S63199
631
AISI 631
AISI 631
AMS 6312E
AMS 6317E
UNS W86312
SUS631
SUS631-CSP
SNC631
SNC631H
SUS631-CSP
SUS631

Relevant standard of A 959 Type 631

A 959 (2011) Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels A-959-(2011).pdf
A 705 631 A 564 632
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Jiangyou Longhai Special Steel Co.,Ltd.

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