Available 24/7 at contact@steel-grades.com

B631 Class A2

America ASTM B631ClassA2 银钨电接触材料 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B631ClassA2 / B631 Class A2
Category Grade Standard Region/Area Standard Content
Metals B631 Class A2 ASTM B631 America 银钨电接触材料

Chemical composition(mass fraction)(wt.%) of the B631 Class A2

Element Min Max Similar

Mechanical Properties of steel grade B631 Class A2

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)
425 (≥) 768 (≥) 34 43 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade B631 Class A2

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
12 - -     0.11 -  
247 825 - 11.3 433   -  
437 - 44 44.2   341 122

Heat Treatment of steel grade B631 Class A2

Heat treated : 1873°C - 1314°C

Technological Curves of steel grade B631 Class A2

Cross Reference Table (Equivalent Grade) of B631 Class A2

Available Suppliers

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...

Rfq.: sales@longhaisteel.com
  • Do you supply this B631 Class A2?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top