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303S22

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286S31 304S71
#303S22

Description

UK B.S. BS 1506, 303S22 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: 303S22
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 303S22 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 303S22

C Si Mn P S Cr Mo Ni
≤0.12 ≤1.00 ≤2.00 ≤0.060 0.15 -0.35 17.00 -19.00 ≤0.70 8.00 -10.00

Mechanical Properties of steel grade 303S22

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)
191 (≥) 718 (≥) 21 44 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade 303S22

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 - -     0.41 -  
878 112 - 43.3 413   -  
237 - 14 14.2   121 314

Heat Treatment of steel grade 303S22

Heat treated : 1296°C - 1391°C

Technological Curves of steel grade 303S22

Relevant standard of 303S22

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
286S31 304S71
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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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