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Description

UK B.S. BS 3059-2, BS 3605-1, 215S15 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: 215S15
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 215S15 B.S. UK Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes

Chemical composition(mass fraction)(wt.%) of the 215S15

C Si Mn P S Cr Mo Ni V Nb B
0.06 -0.15 0.20 -1.00 5.50 -7.00 ≤0.04 ≤0.03 14.00 -16.00 0.80 -1.20 9.00 -11.00 0.15 -0.40 0.75 -1.25 0.003 -0.009

Mechanical Properties of steel grade 215S15

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)
931 (≥) 515 (≥) 13 31 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade 215S15

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 - -     0.21 -  
782 337 - 14.3 223   -  
627 - 21 44.2   322 411

Heat Treatment of steel grade 215S15

Heat treated : 1722°C - 1792°C

Technological Curves of steel grade 215S15

Cross Reference Table (Equivalent Grade) of 215S15

Grade Standard Country Application
215S15
215S15

Relevant standard of 215S15

BS 3059-2 Steel boiler and superheater tubes. Specification for carbon, alloy and austenitic stainless steel tubes with specified elevated temperature properties BS-3059-2.pdf
BS 3605-1 Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes BS-3605-1.pdf

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