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R4

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R4 SH
#R4

Description

Sweden SS R4 Carbide for cutting tools and R4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: R4
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy R4 SS Sweden Carbide for cutting tools
H05
HIP
HIP
HM
HM
HML
HML
RIP
RIP
R4

Chemical composition(mass fraction)(wt.%) of the R4

Co(%)
12.5

Mechanical Properties of steel grade R4

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)
612 (≥) 667 (≥) 34 23 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade R4

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
21 - -     0.22 -  
484 741 - 44.3 122   -  
672 - 44 34.2   441 342

Heat Treatment of steel grade R4

Heat treated : 1276°C - 1515°C

Technological Curves of steel grade R4

Cross Reference Table (Equivalent Grade) of R4

Grade Standard Country Application
Cr4W2MoV China Alloy tool steel - cold work steels
6W6Mo5Cr4V China Alloy tool steel - Impact resistance tool steel
5Cr4W5Mo2V China Alloy tool steel - hot-work die steel
W18Cr4V China High-speed tool steel
W18Cr4VCo8 China High-speed tool steel
W18Cr4V2Co8 China High-speed tool steel
W12Cr4V5Co5 China High-speed tool steel
W6Mo5Cr4V2 China High-speed tool steel
CW6Mo5Cr4V2 China High-speed tool steel
W6Mo5Cr4V3 China High-speed tool steel
CW6Mo5Cr4V3 China High-speed tool steel
W2Mo9Cr4V2 China High-speed tool steel
W6Mo5Cr4V2Co5 China High-speed tool steel
W7Mo4Cr4V2Co5 China High-speed tool steel
W2Mo9Cr4VCo8 China High-speed tool steel
W9Mo3Cr4V China High-speed tool steel
W6Mo5Cr4V2Al China High-speed tool steel
W9Mo3Cr4V coil China Saw high-speed tool steel hot-rolled steel strip
105Cr4 DIN Germany Cold working alloy tool steel
62SiMnCr4 DIN Germany Cold working alloy tool steel
R4 SH
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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
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