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Rp9

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Rp5 Rp10
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Description

Romania STAS/SR Rp9 tool steel and Rp9 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: Rp9
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy Rp9 STAS/SR Romania tool steel
55MoCrNi16
55VMoCrNi16
55VMoCrNil7
57VMoCrNil7
30VCrW85
Rpl
Rp2
Rp3
Rp4
Rp5

Chemical composition(mass fraction)(wt.%) of the Rp9

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) V(%) W(%)
0.95- 1.03 Max 0.45 Max 0.40 0.030 0.03 3.80- 4.50 2.50- 2.80 2. 20-Z. 50 2.70-3.00

Mechanical Properties of steel grade Rp9

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)
438 (≥) 686 (≥) 22 34 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical Properties of steel grade Rp9

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
41 - -     0.43 -  
579 199 - 44.3 242   -  
769 - 34 43.2   423 324

Heat Treatment of steel grade Rp9

Heat treated : 1738°C - 1455°C

Technological Curves of steel grade Rp9

Cross Reference Table (Equivalent Grade) of Rp9

Grade Standard Country Application
Rp9 STAS/SR Romania tool steel
Rp5 Rp10
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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...

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