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347S20

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326S42 394S17
#347S20

Description

UK B.S. BS 1554, 347S20 Specialsteel Specification for stainless and heat-resisting steel round wire and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 347S20
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 347S20 B.S. UK Specification for stainless and heat-resisting steel round wire

Chemical composition(mass fraction)(wt.%) of the 347S20

C Si Mn P S Cr Mo Ni Nb
≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.03 17.00 -21.00 ≤ ≥ 9.00 -12.00 ≤1.00

Mechanical Properties of steel grade 347S20

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)
598 (≥) 751 (≥) 11 33 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade 347S20

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
21 - -     0.11 -  
745 653 - 24.3 344   -  
972 - 22 11.2   343 233

Heat Treatment of steel grade 347S20

Heat treated : 1581°C - 1819°C

Technological Curves of steel grade 347S20

Cross Reference Table (Equivalent Grade) of 347S20

Grade Standard Country Application
347S20
347S20

Relevant standard of 347S20

BS 1554 Specification for stainless and heat-resisting steel round wire BS-1554.pdf
326S42 394S17
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Jiangyou Longhai Special Steel Co.,Ltd.

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