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

Description

Germany DIN 1.6740 and 1.6740 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 1.6740

Chemical composition(mass fraction)(wt.%) of the 1.6740

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%)
0.30-0.36 0.30-0.60 0.50-0.80 Max 0.015 Max 0.007 0.90-1.20 1.50-1.80 0.35-0.50

Mechanical Properties of steel grade 1.6740

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)
525 (≥) 123 (≥) 24 11 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade 1.6740

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 - -     0.24 -  
639 481 - 23.3 322   -  
871 - 33 22.2   412 331

Heat Treatment of steel grade 1.6740

Heat treated : 1215°C - 1812°C

Technological Curves of steel grade 1.6740

Cross Reference Table (Equivalent Grade) of 1.6740

Grade Standard Country Application
1.6740 DIN Germany

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 1.6740?
  • List your company on S&G now? Join
  • Non-paying users only
Top