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304S71

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303S22 316S65
#304S71

Description

UK B.S. BS 1502, BS 1506, 304S71 Specialsteel Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 304S71
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 304S71 B.S. UK Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications

Chemical composition(mass fraction)(wt.%) of the 304S71

C Si Mn P S Cr Mo Ni N
≤0.07 ≤1.00 ≤2.00 ≤0.045 ≤0.030 17.00 -19.00 ≤ ≥ 8.00 -11.00 0.12 -0.22

Mechanical Properties of steel grade 304S71

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)
363 (≥) 745 (≥) 31 41 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade 304S71

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
43 - -     0.42 -  
525 886 - 11.3 112   -  
682 - 31 31.2   133 433

Heat Treatment of steel grade 304S71

Heat treated : 1298°C - 1614°C

Technological Curves of steel grade 304S71

Relevant standard of 304S71

BS 1502 Specification for steels for fired and unfired pressure vessels: sections and bars BS-1502.pdf
BS 1506 Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications BS-1506.pdf
303S22 316S65
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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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