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

Japan JIS A3 铁路机车车辆车轴 - 质量要求 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A3 / A3
Category Grade Standard Region/Area Standard Content
Metals A3 JIS E4502-1 Japan 铁路机车车辆车轴 - 质量要求

Chemical composition(mass fraction)(wt.%) of the A3

Element Min Max Similar
V - 0.1000 -
Si - 0.5000 -
S - 0.0400 -
P - 0.0400 -
Mo - 0.4000 -
Mn - 1.6000 -
Cu - 0.3000 -
Cr - 0.5000 -
C - 0.4000 -

Mechanical Properties of steel grade A3

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)
994 (≥) 572 (≥) 23 21 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade A3

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
22 - -     0.23 -  
166 944 - 22.3 332   -  
589 - 41 32.2   334 444

Heat Treatment of steel grade A3

Heat treated : 1976°C - 1291°C

Technological Curves of steel grade A3

Cross Reference Table (Equivalent Grade) of A3

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 A3?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top