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

China YB 30Mn2 优质结构钢冷拉扁钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 30Mn2 / 30Mn2
Category Grade Standard Region/Area Standard Content
Metals 30Mn2 YB/T 037 China 优质结构钢冷拉扁钢

Chemical composition(mass fraction)(wt.%) of the 30Mn2

Element Min Max Similar
Mn 1.4000 1.8000 -
Si 0.1700 0.3700 -
C 0.2700 0.3400 -
Mo - 0.1500 -
Ni - 0.3000 -
Cr - 0.3000 -
Cu - 0.3000 -
S - 0.0350 -
P - 0.0350 -
Mn 1.4000 1.8000 -
Si 0.1700 0.3700 -
C 0.2700 0.3400 -
Mn 1.4000 1.8000 -
Si 0.1700 0.3700 -
C 0.2700 0.3400 -
Mn 1.4000 1.8000 -
Si 0.1700 0.3700 -
C 0.2700 0.3400 -

Mechanical Properties of steel grade 30Mn2

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)
758 (≥) 325 (≥) 43 12 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade 30Mn2

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
21 - -     0.41 -  
159 569 - 43.3 223   -  
185 - 13 21.2   111 232

Heat Treatment of steel grade 30Mn2

Heat treated : 1177°C - 1859°C

Technological Curves of steel grade 30Mn2

Cross Reference Table (Equivalent Grade) of 30Mn2

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 30Mn2?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top