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SUS631

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SUS630 SUS430LX
#SUS631

Description

Japan JIS SUS631 precipitation-hardening stainless and SUS631 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: SUS631
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel SUS631 JIS Japan precipitation-hardening stainless
SUS420J1
SUS420J2
SUS420F
SUS420F2
SUS431
SUS440A
SUS440B
SUS440C
SUS440F
SUS630

Chemical composition(mass fraction)(wt.%) of the SUS631

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
Max 0.09 Max 1.00 Max 1.00 Max 0.04 Max 0.03 16.0-18.0 6.50-7.75

Mechanical Properties of steel grade SUS631

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 (≥) 554 (≥) 11 24 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical Properties of steel grade SUS631

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 - -     0.32 -  
654 213 - 31.3 224   -  
984 - 21 14.2   244 141

Heat Treatment of steel grade SUS631

Heat treated : 1446°C - 1272°C

Technological Curves of steel grade SUS631

Cross Reference Table (Equivalent Grade) of SUS631

Grade Standard Country Application
SUS631 JIS Japan precipitation-hardening stainless
SUS631-CPS JIS Japan stainless steel
SUS630 SUS430LX
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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