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

Germany DIN 30MnB4 Low alloyed MnCrB steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 30MnB4 / 30MnB4
Category Grade Standard Region/Area Standard Content
Metals 30MnB4 -- Germany Low alloyed MnCrB steel

Chemical composition(mass fraction)(wt.%) of the 30MnB4

Element Min Max Similar

Mechanical Properties of steel grade 30MnB4

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)
675 (≥) 319 (≥) 32 44 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade 30MnB4

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 - -     0.34 -  
183 912 - 32.3 344   -  
734 - 32 43.2   323 314

Heat Treatment of steel grade 30MnB4

Heat treated : 1959°C - 1943°C

Technological Curves of steel grade 30MnB4

Cross Reference Table (Equivalent Grade) of 30MnB4

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 30MnB4?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top