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CNS 631

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CNS 630 329J
#631

Description

China CNS G3067, CNS 631 Specialsteel Stainless steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: CNS 631
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel CNS 631 Precipitation-Hardening CNS China Stainless steel bars

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

C Si Mn P S Ni Cr Cu Al
≤0.09 ≤1.00 ≤1.00 ≤0.040 ≤0.030 6.50 -7.75 16.00 -18.00 ≤ ≥ 0.75 -1.50

Mechanical Properties of steel grade CNS 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)
378 (≥) 194 (≥) 13 12 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade CNS 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
43 - -     0.31 -  
663 525 - 32.3 341   -  
131 - 34 23.2   411 121

Heat Treatment of steel grade CNS 631

Heat treated : 1927°C - 1164°C

Technological Curves of steel grade CNS 631

Cross Reference Table (Equivalent Grade) of CNS 631

Grade Standard Country Application
2.4631
1.2631
1.6311
631
S63198
631
S63198
S63199
631
AISI 631
AISI 631
AMS 6312E
AMS 6317E
UNS W86312
SUS631
SUS631-CSP
SNC631
SNC631H
SUS631-CSP
SUS631

Relevant standard of CNS 631

G3067 Stainless steel bars G3067.pdf
CNS 630 329J
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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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