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

SA-29 Grade E4340

America ASME SA-29GradeE4340 热加工与冷精整碳钢和合金钢棒材通用要求 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals SA-29 Grade E4340 ASME SA-29/SA-29M America 热加工与冷精整碳钢和合金钢棒材通用要求

Chemical composition(mass fraction)(wt.%) of the SA-29 Grade E4340

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0250 -
P - 0.0250 -
Ni 1.6500 2.0000 -
Mo 0.2000 0.3000 -
Mn 0.6500 0.8500 -
Cu - 0.3500 -
Cr 0.7000 0.9000 -
C 0.3800 0.4000 -

Mechanical Properties of steel grade SA-29 Grade E4340

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)
376 (≥) 278 (≥) 22 41 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade SA-29 Grade E4340

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
41 - -     0.31 -  
726 936 - 43.3 112   -  
635 - 32 33.2   414 311

Heat Treatment of steel grade SA-29 Grade E4340

Heat treated : 1688°C - 1925°C

Technological Curves of steel grade SA-29 Grade E4340

Cross Reference Table (Equivalent Grade) of SA-29 Grade E4340

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 SA-29 Grade E4340?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top