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B.S. 6S.80 Details

Specification for high chromium-nickel corrosion-resisting steel forging stock, bars, forgings and parts (880-1080 MPa, limiting ruling section 100 mm)

B.S. 6S.80 Standard Download

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6S.80 Application:Specification for high chromium-nickel corrosion-resisting steel forging stock, bars, forgings and parts (880-1080 MPa, limiting ruling section 100 mm)
Category Type Grade Designations
Grades Stainless Steels 6S.80 UK - B.S. , BS 6S 80 - Specification for high chromium-nickel corrosion-resisting steel forging stock, bars, forgings and parts (880-1080 MPa, limiting ruling section 100 mm)
Chemical composition(mass fraction)(wt.%)
Elements Min.(≥) Max.(≤) Similar Remarks
C 0.12 0.20
Si - 1.00
Mn - 1.00
P - 0.030
S - 0.025
Cr 15.00 18.00
Ni 2.00 3.00
Mo - 0.30
Nb - 0.05
Ti - 0.05
Mechanical properties of grade 6S.80
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)
336 (≥) 874 (≥) 34 12 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 141
Physical properties of grade 6S.80
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
679 (≥) 985 (≥) 34 24 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 231
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
782 928 812
6S.80 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
6S.80 B.S. UK
Specification for high chromium-nickel corrosion-resisting steel forging stock, bars, forgings and parts (880-1080 MPa, limiting ruling section 100 mm)