Chinese
Available 24/7 at sales@steel-grades.com
SGSG
Post Your Request Now
Toggle menu

Rp4

Favorite Datasheet
Rp3 Rp5
#Rp4

Description

Romania STAS/SR Rp4 tool steel and Rp4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: Rp4
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy Rp4 STAS/SR Romania tool steel
39VSiMoCr52
40VSiMoCr52
55MoCrNi16
55VMoCrNi16
55VMoCrNil7
57VMoCrNil7
30VCrW85
Rpl
Rp2
Rp3

Chemical composition(mass fraction)(wt.%) of the Rp4

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) V(%)
1. 17-1.27 Max 0.45 Max 0.40 0.03 0.030 3.80- 4.50 2,70- 3.20 4.70-5.20 6.00-6. 70

Mechanical Properties of steel grade Rp4

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)
587 (≥) 236 (≥) 41 44 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade Rp4

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
24 - -     0.22 -  
341 599 - 44.3 321   -  
758 - 24 21.2   231 422

Heat Treatment of steel grade Rp4

Heat treated : 1121°C - 1818°C

Technological Curves of steel grade Rp4

Cross Reference Table (Equivalent Grade) of Rp4

Grade Standard Country Application
Rp4 STAS/SR Romania tool steel
Rp3 Rp5
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 Rp4?
  • List your company on S&G now? Join
  • Non-paying users only
Top