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

China GB MTW74 镁及镁合金废料 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: MTW74 / MTW74
Category Grade Standard Region/Area Standard Content
Metals MTW74 GB/T 20926 China 镁及镁合金废料

Chemical composition(mass fraction)(wt.%) of the MTW74

Element Min Max Similar

Mechanical Properties of steel grade MTW74

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)
343 (≥) 174 (≥) 14 23 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade MTW74

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
11 - -     0.42 -  
822 448 - 22.3 441   -  
714 - 44 33.2   333 321

Heat Treatment of steel grade MTW74

Heat treated : 1181°C - 1525°C

Technological Curves of steel grade MTW74

Cross Reference Table (Equivalent Grade) of MTW74

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 MTW74?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top