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HFS304 S51

Description

UK B.S. BS 3605-1, HFS304 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: HFS304 S51
Category Class Grade Standard Country Application
Steel GradesSpecialsteel HFS304 S51 B.S. UK Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes

Chemical composition(mass fraction)(wt.%) of the HFS304 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 HFS304 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)
945 (≥) 115 (≥) 24 22 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade HFS304 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
33 - -     0.23 -  
588 566 - 33.3 443   -  
572 - 42 34.2   321 223

Heat Treatment of steel grade HFS304 S51

Heat treated : 1535°C - 1183°C

Technological Curves of steel grade HFS304 S51

Cross Reference Table (Equivalent Grade) of HFS304 S51

Grade Standard Country Application
304S51
304S51

Relevant standard of HFS304 S51

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

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