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SUS 631-CSP

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SUS 631 J1 SUS 631J1-WPC
#SUS-631

Description

Japan JIS G 4313 (2011), SUS 631-CSP Specialsteel Cold rolled stainless steel strip for springs and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SUS 631-CSP
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SUS 631-CSP Precipitation-Hardening JIS Japan Cold rolled stainless steel strip for springs

Chemical composition(mass fraction)(wt.%) of the SUS 631-CSP

C Si Mn P S Cr Ni Mo N 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 SUS 631-CSP

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)
344 (≥) 258 (≥) 14 12 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade SUS 631-CSP

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
23 - -     0.34 -  
576 147 - 24.3 342   -  
821 - 12 13.2   412 114

Heat Treatment of steel grade SUS 631-CSP

Heat treated : 1895°C - 1875°C

Technological Curves of steel grade SUS 631-CSP

Relevant standard of SUS 631-CSP

G 4313 (2011) Cold rolled stainless steel strip for springs G-4313-(2011).pdf
SUS 631 J1 SUS 631J1-WPC
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Jiangyou Longhai Special Steel Co.,Ltd.

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