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347S31

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325S31 403S17
#347S31

Description

UK B.S. BS 1449-2, BS 1501-3, BS 1502, BS 1503, BS 1506, BS 3605-1, BS 3605-2, BS 3606, BS 6258, BS 970-1, BS 970-3, 347S31 Specialsteel Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 347S31
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 347S31 B.S. UK Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes

Chemical composition(mass fraction)(wt.%) of the 347S31

C Si Mn P S Cr Mo Ni Nb
≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.03 17.00 -19.00 ≤ ≥ 9.00 -12.00 10×C -1.00

Mechanical Properties of steel grade 347S31

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)
239 (≥) 688 (≥) 24 33 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade 347S31

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 - -     0.23 -  
435 959 - 34.3 443   -  
137 - 14 43.2   313 131

Heat Treatment of steel grade 347S31

Heat treated : 1236°C - 1593°C

Technological Curves of steel grade 347S31

Cross Reference Table (Equivalent Grade) of 347S31

Grade Standard Country Application
347S31
347S31

Relevant standard of 347S31

BS 1449-2 Steel plate, sheet and strip. Specification for stainless and heat-resisting steel plate, sheet and strip BS-1449-2.pdf
BS 1501-3 Steels for pressure purposes. Specification for corrosion- and heat-resisting steels: plates, sheet and strip BS-1501-3.pdf
BS 1502 Specification for steels for fired and unfired pressure vessels: sections and bars BS-1502.pdf
BS 1503 Specification for steel forgings for pressure purposes BS-1503.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
BS 3605-1 Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes BS-3605-1.pdf
BS 3605-2 Austenitic stainless steel pipes and tubes for pressure purposes. Specification for longitudinally welded tubes BS-3605-2.pdf
BS 3606 Specification for steel tubes for heat exchangers BS-3606.pdf
BS 6258 Specification for hollow steel bars for machining BS-6258.pdf
BS 970-1 Specification for wrought steels for mechanical and allied engineering purposes. General inspection and testing procedures and specific requirements for carbon, carbon manganese, alloy and stainless steels BS-970-1.pdf
BS 970-3 Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes BS-970-3.pdf
325S31 403S17
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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...

Rfq.: sales@longhaisteel.com
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