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R9K5

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Russia GOST R9K5 Bars and strips out of high-speed steel. Specifications and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: R9K5 / R9K5
Category Grade Standard Region/Area Standard Content
Metals R9K5 GOST 19265 Russia Bars and strips out of high-speed steel. Specifications

Chemical composition(mass fraction)(wt.%) of the R9K5

Element Min Max Similar

Mechanical Properties of steel grade R9K5

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)
992 (≥) 697 (≥) 33 34 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade R9K5

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
12 - -     0.32 -  
676 917 - 43.3 134   -  
464 - 11 11.2   143 131

Heat Treatment of steel grade R9K5

Heat treated : 1681°C - 1991°C

Technological Curves of steel grade R9K5

Cross Reference Table (Equivalent Grade) of R9K5

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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Jiangyou Longhai Special Steel Co.,Ltd.

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