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

Description

China GB GB/T 1220 (1992) , GB/T 3280 (2007) , GB/T 4237 (1992) , GB/T 4239 (1991), GB/T 4356 (2002) , 7Cr17 Specialsteel Stainless steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 7Cr17
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 7Cr17 Martensite GB China Stainless steel bars

Chemical composition(mass fraction)(wt.%) of the 7Cr17

C Si Mn Ni Cr Mo
0.60 -0.75 ≤1.00 ≤1.00 ≤0.60 16.00 -18.00 ≤0.75

Mechanical Properties of steel grade 7Cr17

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)
392 (≥) 724 (≥) 11 24 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade 7Cr17

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
41 - -     0.44 -  
524 515 - 24.3 431   -  
538 - 41 32.2   334 234

Heat Treatment of steel grade 7Cr17

Heat treated : 1472°C - 1141°C

Technological Curves of steel grade 7Cr17

Cross Reference Table (Equivalent Grade) of 7Cr17

Grade Standard Country Application
7Cr17
7Cr17
7Cr17

Relevant standard of 7Cr17

GB/T 1220 (1992) Stainless steel bars GB-T-1220--(1992)-.pdf
GB/T 3280 (2007) Cold rolled stainless steel sheets and plates GB-T-3280--(2007)-.pdf
GB/T 4237 (1992) Hot rolled stainless steel sheets and plates GB-T-4237--(1992)-.pdf
GB/T 4239 (1991) Cold rolled stainless steel and heat resisting steel strips GB-T-4239--(1991).pdf
GB/T 4356 (2002) Stainless steel wire rods GB-T-4356--(2002)-.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 7Cr17?
  • List your company on S&G now? Join
  • Non-paying users only
Top