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B.S. 215S15 Details

Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes

B.S. 215S15 Standard Download

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215S15 Application:Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
Category Type Grade Designations
Grades Stainless Steels 215S15 UK - B.S. , BS 3059-2 - Steel boiler and superheater tubes. Specification for carbon, alloy and austenitic stainless steel tubes with specified elevated temperature properties
BS 3605-1 - Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
Chemical composition(mass fraction)(wt.%)
Elements Min.(≥) Max.(≤) Similar Remarks
C 0.06 0.15
Si 0.20 1.00
Mn 5.50 7.00
P - 0.04
S - 0.03
Cr 14.00 16.00
Mo 0.80 1.20
Ni 9.00 11.00
V 0.15 0.40
Nb 0.75 1.25
B 0.003 0.009
Mechanical properties of grade 215S15
Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
179 (≥) 976 (≥) 41 14 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 422
Physical properties of grade 215S15
Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
828 (≥) 726 (≥) 44 34 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 233
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
969 787 279
215S15 Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
215S15 B.S. UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
CFS 215S15 B.S. UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
HFM 215S15 B.S. UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
HFS 215S15 B.S. UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
215S 15 B.S. UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
CFS 215S 15 B.S. UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
HFM 215S 15 B.S. UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
HFS 215S 15 B.S. UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes