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SUS 631

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SUS 631 SUS 631
#SUS-631

Description

Japan JIS G 4311 (2011), SUS 631 Specialsteel Heat-resisting steel bars and wire rods and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SUS 631
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SUS 631 Precipitation-Hardening JIS Japan Heat-resisting steel bars and wire rods

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

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

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)
781 (≥) 215 (≥) 21 21 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade SUS 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
21 - -     0.23 -  
196 111 - 31.3 144   -  
925 - 42 32.2   133 421

Heat Treatment of steel grade SUS 631

Heat treated : 1572°C - 1289°C

Technological Curves of steel grade SUS 631

Relevant standard of SUS 631

G 4311 (2011) Heat-resisting steel bars and wire rods G-4311-(2011).pdf
SUS 631 SUS 631
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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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