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

America SAE EX9 Former SAE Standard and Former SAE Ex-Steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: EX9 / EX 9
Category Grade Standard Region/Area Standard Content
Metals EX 9 SAE J 1249 America Former SAE Standard and Former SAE Ex-Steels

Chemical composition(mass fraction)(wt.%) of the EX 9

Element Min Max Similar
Si - 0.0500 -
S - 0.0400 -
P - 0.0350 -
Ni 0.2000 0.4000 -
Mo 0.0500 0.1000 -
Mn 0.9500 1.2500 -
Cr 0.2500 0.4000 -
C 0.1900 0.2400 -

Mechanical Properties of steel grade EX 9

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)
665 (≥) 795 (≥) 43 12 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade EX 9

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 - -     0.23 -  
339 333 - 42.3 322   -  
763 - 12 31.2   442 444

Heat Treatment of steel grade EX 9

Heat treated : 1738°C - 1281°C

Technological Curves of steel grade EX 9

Cross Reference Table (Equivalent Grade) of EX 9

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 9?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top