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

America SAE 8642 Estimated mechanical properties and machinability of steel bars and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 8642 / 8642
Category Grade Standard Region/Area Standard Content
Metals 8642 SAE J 1397 America Estimated mechanical properties and machinability of steel bars

Chemical composition(mass fraction)(wt.%) of the 8642

Element Min Max Similar

Mechanical Properties of steel grade 8642

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)
672 (≥) 337 (≥) 43 12 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade 8642

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 -  
669 157 - 21.3 212   -  
732 - 42 42.2   133 244

Heat Treatment of steel grade 8642

Heat treated : 1374°C - 1374°C

Technological Curves of steel grade 8642

Cross Reference Table (Equivalent Grade) of 8642

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 8642?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top