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

SMn438RCH

Japan JIS SMn438RCH 低合金冷镦钢 - 第1部分:线材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SMn438RCH / SMn438RCH
Category Grade Standard Region/Area Standard Content
Metals SMn438RCH JIS G3509-1 Japan 低合金冷镦钢 - 第1部分:线材

Chemical composition(mass fraction)(wt.%) of the SMn438RCH

Element Min Max Similar

Mechanical Properties of steel grade SMn438RCH

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)
291 (≥) 418 (≥) 42 21 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical Properties of steel grade SMn438RCH

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
33 - -     0.32 -  
948 798 - 42.3 424   -  
867 - 23 41.2   314 341

Heat Treatment of steel grade SMn438RCH

Heat treated : 1821°C - 1925°C

Technological Curves of steel grade SMn438RCH

Cross Reference Table (Equivalent Grade) of SMn438RCH

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 SMn438RCH?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top