Chinese
Available 24/7 at contact@steel-grades.com
SGSG
Post Your Request Now
Toggle menu
Hello, Sign inMy Account

8Cr20Si2Ni

Favorite Datasheet
4Cr10Si2Mo 1Cr11MoV
#8Cr20Si2Ni

Description

China GB GB/T 1221 (1992) , GB/T 12773 (1991) , 8Cr20Si2Ni Specialsteel Heat-resisting steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 8Cr20Si2Ni
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 8Cr20Si2Ni Martensite GB China Heat-resisting steel bars

Chemical composition(mass fraction)(wt.%) of the 8Cr20Si2Ni

C Si Mn P S Ni Cr
0.75 -0.85 1.75 -2.25 0.20 -0.60 ≤0.035 ≤0.030 1.15 -1.65 19.00 -20.50

Mechanical Properties of steel grade 8Cr20Si2Ni

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)
351 (≥) 964 (≥) 33 12 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade 8Cr20Si2Ni

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
42 - -     0.33 -  
683 944 - 21.3 314   -  
381 - 44 31.2   321 123

Heat Treatment of steel grade 8Cr20Si2Ni

Heat treated : 1934°C - 1676°C

Technological Curves of steel grade 8Cr20Si2Ni

Relevant standard of 8Cr20Si2Ni

GB/T 1221 (1992) Heat-resisting steel bars GB-T-1221--(1992)-.pdf
GB/T 12773 (1991) Valve steel bars for internal combustion engines - Technical requirements GB-T-12773--(1991)-.pdf
4Cr10Si2Mo 1Cr11MoV
Available Suppliers
Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

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 8Cr20Si2Ni?
  • List your company on S&G now? Join
  • Non-paying users only
Top