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R37

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A5 R44
#R37

Description

Romania STAS/SR R37 Structural steel and R37 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: R37
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel R37 STAS/SR Romania Structural steel
B1
B2
A21
26MnSil7
9SiMn16
10Ni35
HSiMn10
RV510
A4
A5

Chemical composition(mass fraction)(wt.%) of the R37

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Cu(%) Al(%)
Min 0.17 0.17-0.40 0.30-0.80 0.040 0.040 Min 0.30 0.30 Min 0.025

Mechanical Properties of steel grade R37

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)
122 (≥) 395 (≥) 31 33 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade R37

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
34 - -     0.34 -  
219 926 - 24.3 311   -  
928 - 41 43.2   212 443

Heat Treatment of steel grade R37

Heat treated : 1129°C - 1257°C

Technological Curves of steel grade R37

Cross Reference Table (Equivalent Grade) of R37

Grade Standard Country Application
STR37 KS Korea KS standard austenitic heat resistant steel
R37 STAS/SR Romania Structural steel
A5 R44
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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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