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

America SAE EX30 Former SAE Standard and Former SAE Ex-Steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: EX30 / EX 30
Category Grade Standard Region/Area Standard Content
Metals EX 30 SAE J 1249 America Former SAE Standard and Former SAE Ex-Steels

Chemical composition(mass fraction)(wt.%) of the EX 30

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0400 -
P - 0.0350 -
Ni 0.7000 1.0000 -
Mo 0.4500 0.6000 -
Mn 0.7000 0.9000 -
Cr 0.4500 0.6500 -
C 0.1300 0.1800 -

Mechanical Properties of steel grade EX 30

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)
624 (≥) 322 (≥) 31 22 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade EX 30

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 - -     0.41 -  
958 851 - 41.3 341   -  
338 - 11 32.2   412 322

Heat Treatment of steel grade EX 30

Heat treated : 1172°C - 1898°C

Technological Curves of steel grade EX 30

Cross Reference Table (Equivalent Grade) of EX 30

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 EX 30?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top