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

Description

Russia GOST H70MΦB Specialsteel Russia GOCT standard deformation of high temperature alloy grades and chemical composition and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: H70MΦB
Category Class Grade Standard Country Application
Steel GradesSpecialsteel H70MΦB GOST Russia Russia GOCT standard deformation of high temperature alloy grades and chemical composition

Chemical composition(mass fraction)(wt.%) of the H70MΦB

C Si Mn P S Cr Ni Mo Al Ti Fe V W
≤0.02 ≤0.10 ≤0.50 ≤ ≥ ≤ ≥ ≤0.30 ≤remaining 25.00 -27.00 ≤ ≥ ≤0.15 ≤0.80 1.40 -1.70 0.10 -0.45

Mechanical Properties of steel grade H70MΦB

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)
979 (≥) 981 (≥) 31 32 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade H70MΦB

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
31 - -     0.24 -  
729 143 - 11.3 434   -  
784 - 43 41.2   132 211

Heat Treatment of steel grade H70MΦB

Heat treated : 1138°C - 1795°C

Technological Curves of steel grade H70MΦB

Cross Reference Table (Equivalent Grade) of H70MΦB

Grade Standard Country Application
H70MΦB

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 H70MΦB?
  • List your company on S&G now? Join
  • Non-paying users only
Top