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

Р9М4К8

Description

Russia ГОСТ Р9М4К8 Carbide for cutting tools and Р9М4К8 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: Р9М4К8
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy Р9М4К8 ГОСТ Russia Carbide for cutting tools
Р6АМ5
Р6М5
Р6М5
Р6М5Ф3
Р6М5Ф3
Р6М5К5
Р6М5К5
Р9К5
Р9К5
Р9М4К8

Chemical composition(mass fraction)(wt.%) of the Р9М4К8

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) V(%) W(%) Cu(%) Co(%)
1.00-1.10 0.20-0.50 0.20-0.50 ≤0.030 ≤0.030 7.50-8.50 2.30-2.70 3.80-4.30 2.30-2.70 2.30-2.70 ≤0.25 7.50-8.50

Mechanical Properties of steel grade Р9М4К8

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)
688 (≥) 529 (≥) 33 41 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade Р9М4К8

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
22 - -     0.41 -  
233 993 - 44.3 433   -  
263 - 14 32.2   123 424

Heat Treatment of steel grade Р9М4К8

Heat treated : 1923°C - 1436°C

Technological Curves of steel grade Р9М4К8

Cross Reference Table (Equivalent Grade) of Р9М4К8

Grade Standard Country Application
Р9М4К8 ГОСТ Russia Carbide for cutting tools
Р9М4К8 ГОСТ Russia Carbide for cutting tools

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...

REQUEST FOR QUOTATION
  • Do you supply this Р9М4К8?
  • List your company on S&G now? Join
  • Non-paying users only
Top