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CFS304 S51

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HFS304 S51 HFM304 S51
#304S51

Description

UK B.S. BS 3605-1, CFS304 S51 Specialsteel Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: CFS304 S51
Category Class Grade Standard Country Application
Steel GradesSpecialsteel CFS304 S51 B.S. UK Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes

Chemical composition(mass fraction)(wt.%) of the CFS304 S51

C Si Mn P S Cr Mo Ni
0.04 -0.10 ≤1.00 ≤2.00 ≤0.045 ≤0.025 17.00 -19.00 ≤ ≥ 8.00 -11.00

Mechanical Properties of steel grade CFS304 S51

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)
999 (≥) 267 (≥) 12 43 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade CFS304 S51

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
22 - -     0.34 -  
668 887 - 42.3 443   -  
378 - 23 14.2   323 424

Heat Treatment of steel grade CFS304 S51

Heat treated : 1264°C - 1249°C

Technological Curves of steel grade CFS304 S51

Cross Reference Table (Equivalent Grade) of CFS304 S51

Grade Standard Country Application
304S51
304S51

Relevant standard of CFS304 S51

BS 3605-1 Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes BS-3605-1.pdf
HFS304 S51 HFM304 S51
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