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

4Cr9Si2

Favorite Datasheet
1Cr5Mo 4Cr10Si2Mo
#4Cr9Si2

Description

China GB GB/T 1221 (1992) , GB/T 12773 (1991) , JB/T 6398 (2006) , 4Cr9Si2 Specialsteel Valve steel bars for internal combustion engines - Technical requirements and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 4Cr9Si2
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 4Cr9Si2 Martensite GB China Valve steel bars for internal combustion engines - Technical requirements

Chemical composition(mass fraction)(wt.%) of the 4Cr9Si2

C Si Mn P S Ni Cr
0.35 -0.50 2.00 -3.00 ≤0.70 ≤0.035 ≤0.030 ≤0.60 8.00 -10.00

Mechanical Properties of steel grade 4Cr9Si2

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)
923 (≥) 835 (≥) 32 42 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade 4Cr9Si2

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 - -     0.11 -  
115 334 - 11.3 344   -  
882 - 22 32.2   221 214

Heat Treatment of steel grade 4Cr9Si2

Heat treated : 1778°C - 1925°C

Technological Curves of steel grade 4Cr9Si2

Cross Reference Table (Equivalent Grade) of 4Cr9Si2

Grade Standard Country Application
4Cr9Si2

Relevant standard of 4Cr9Si2

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
JB/T 6398 (2006) Heavy stainless acid resistant and heat resistant steel forgings JB-T-6398--(2006)--.pdf
1Cr5Mo 4Cr10Si2Mo
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 4Cr9Si2?
  • List your company on S&G now? Join
  • Non-paying users only
Top