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

Description

China CNS G3067, 440B Specialsteel Stainless steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 440B
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 440B Martensite CNS China Stainless steel bars

Chemical composition(mass fraction)(wt.%) of the 440B

C Si Mn P S Ni Cr Mo
0.75 -0.95 ≤1.00 ≤1.00 ≤0.040 ≤0.030 ≤0.60 16.00 -18.00 ≤0.75

Mechanical Properties of steel grade 440B

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)
937 (≥) 429 (≥) 12 22 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade 440B

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
13 - -     0.32 -  
372 871 - 14.3 324   -  
171 - 33 14.2   311 223

Heat Treatment of steel grade 440B

Heat treated : 1586°C - 1486°C

Technological Curves of steel grade 440B

Cross Reference Table (Equivalent Grade) of 440B

Relevant standard of 440B

G3067 Stainless steel bars G3067.pdf

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 440B?
  • List your company on S&G now? Join
  • Non-paying users only
Top