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RC70

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RC65 RC75
#RC70

Description

Austria ONORM RC70 Austrian structural steel and RC70 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: RC70
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel RC70 ONORM Austria Austrian structural steel
RC20
RC25
RC30
RC35
RC40
RC45
RC50
RC55
RC60
RC65

Chemical composition(mass fraction)(wt.%) of the RC70

C(％) Si(％) Mn(％) P(％) S(％)
0.70-0.75 0.15-0.40 0.40-0.70 0.035 0.035

Mechanical Properties of steel grade RC70

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)
242 (≥) 331 (≥) 32 31 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade RC70

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 - -     0.23 -  
743 479 - 33.3 243   -  
472 - 22 44.2   331 331

Heat Treatment of steel grade RC70

Heat treated : 1176°C - 1345°C

Technological Curves of steel grade RC70

Cross Reference Table (Equivalent Grade) of RC70

Grade Standard Country Application
RC70 ONORM Austria Austrian structural steel
RC65 RC75
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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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