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RC75

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RC70 RC80
#RC75

Description

Austria ONORM RC75 Austrian structural steel and RC75 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: RC75
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel RC75 ONORM Austria Austrian structural steel
RC25
RC30
RC35
RC40
RC45
RC50
RC55
RC60
RC65
RC70

Chemical composition(mass fraction)(wt.%) of the RC75

C(％) Si(％) Mn(％) P(％) S(％)
0.75-0.80 0.15-0.40 0.40-0.70 0.035 0.035

Mechanical Properties of steel grade RC75

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)
741 (≥) 579 (≥) 23 23 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade RC75

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 - -     0.12 -  
276 682 - 14.3 143   -  
931 - 33 42.2   424 334

Heat Treatment of steel grade RC75

Heat treated : 1774°C - 1555°C

Technological Curves of steel grade RC75

Cross Reference Table (Equivalent Grade) of RC75

Grade Standard Country Application
RC75 ONORM Austria Austrian structural steel
RC70 RC80
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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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