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

Description

Germany DIN 1.6779 and 1.6779 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 1.6779
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy 1.6779 DIN Germany
GS-38NiCrMo8 4 4
1.6741
1.6748
GS-40NiCrMo6 5 6
GS-20NiMoCr3 7
1.6750
1.6759
GS-18NiMoCr3 6
GS-22NiMoCr5 6
1.6760

Chemical composition(mass fraction)(wt.%) of the 1.6779

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%)
0.12-0.16 0.10-0.30 0.55-0.70 Max 0.010 Max 0.010 1.30-1.80 2.70-3.00 0.45-0.55

Mechanical Properties of steel grade 1.6779

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)
659 (≥) 674 (≥) 23 13 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade 1.6779

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
14 - -     0.14 -  
538 311 - 13.3 343   -  
879 - 31 14.2   321 232

Heat Treatment of steel grade 1.6779

Heat treated : 1964°C - 1116°C

Technological Curves of steel grade 1.6779

Cross Reference Table (Equivalent Grade) of 1.6779

Grade Standard Country Application
1.6779 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 1.6779?
  • List your company on S&G now? Join
  • Non-paying users only
Top