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SUS 631 J1

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SUS 631 J1 SUS 631-CSP
#SUS-631

Description

Japan JIS G 4314 (1994), SUS 631 J1 Specialsteel Stainless steel wires for springs and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SUS 631 J1
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SUS 631 J1 Precipitation-Hardening JIS Japan Stainless steel wires for springs

Chemical composition(mass fraction)(wt.%) of the SUS 631 J1

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 J1

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)
236 (≥) 925 (≥) 33 34 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade SUS 631 J1

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
21 - -     0.12 -  
262 682 - 22.3 124   -  
562 - 23 14.2   243 422

Heat Treatment of steel grade SUS 631 J1

Heat treated : 1823°C - 1174°C

Technological Curves of steel grade SUS 631 J1

Relevant standard of SUS 631 J1

G 4314 (1994) Stainless steel wires for springs G-4314-(1994).pdf
SUS 631 J1 SUS 631-CSP
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Jiangyou Longhai Special Steel Co.,Ltd.

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