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B.S. 2S.131 Details

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2S.131 Application:Specification for high thermal expansion steel billets, bars, forgings and parts (620 MPa: limiting ruling section 150 mm)

Category Type Grade Designations
Grades Stainless Steels 2S.131 UK - B.S. , BS 2S 131 - Specification for high thermal expansion steel billets, bars, forgings and parts (620 MPa: limiting ruling section 150 mm)

Chemical composition(wt.%) of 2S.131 grade: BS 2S 131

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.55 0.70
Si 0.20 0.50
Mn 3.50 5.50
P - 0.035
S - 0.025
Cr 3.00 4.00
Ni 11.00 14.00
Mo - 0.50
W - 1.00
V - 0.25
Specification for high thermal expansion steel billets, bars, forgings and parts (620 MPa: limiting ruling section 150 mm)

Mechanical properties of grade 2S.131 BS 2S 131

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)
831 (≥) 411 (≥) 44 34 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical properties of grade 2S.131 BS 2S 131

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
449 (≥) 966 (≥) 14 32 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 321
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
663 787 165

2S.131 - Form of Supply

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
2S.131 B.S. UK
Specification for high thermal expansion steel billets, bars, forgings and parts (620 MPa: limiting ruling section 150 mm)

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