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SUS 631J1-WPC

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SUS 631-CSP KSUS347
#SUS-631

Description

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

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

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

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 631J1-WPC

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)
728 (≥) 976 (≥) 31 41 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade SUS 631J1-WPC

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 - -     0.21 -  
723 596 - 12.3 111   -  
491 - 43 34.2   244 443

Heat Treatment of steel grade SUS 631J1-WPC

Heat treated : 1243°C - 1658°C

Technological Curves of steel grade SUS 631J1-WPC

Relevant standard of SUS 631J1-WPC

G 4314 (1994) Stainless steel wires for springs G-4314-(1994).pdf
SUS 631-CSP KSUS347
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