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SMApplication:Carbide for cutting tools
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy SMSSSweden

Chemical composition%of the ladle analysis of gradeSM

Co(%)
11
Mechanical properties of gradeSM
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 ConditionBrinell hardness(HBW)
857(≥)911(≥)312124Solution and Aging,Annealing,Ausaging,Q+T,etc312
Physical properties of gradeSM
PropertyDensity
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
177(≥)191(≥)111321Solution and Aging,Annealing,Ausaging,Q+T,etc113
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
471265275
SMRange of products
Product typeProductsDimensionProcessesDeliver Status
Plates/SheetsPlates/Sheets0.08-200mm(T)*W*LForging,hot rolling and cold rollingAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Steel BarRound Bar,Flat Bar,Square BarΦ8-1200mm*LForging,hot rolling and cold rolling,CastBlack,Rough Turning,Shot Blasting,
Coil/StripSteel Coil/Steel Strip0.03-16.0x1200mmCold-Rolled&Hot-RolledAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Pipes/TubesSeamless Pipes/Tubes,Welded Pipes/TubesOD:6-219mm x WT:0.5-20.0mmHot extrusion,Cold Drawn,WeldedAnnealed,Solution and Aging,Q+T,ACID-WASHED
Cross Reference Table(Equivalent Grade)
GradeStandardCountryApplication
A 167 S31254SSSweden
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 213 S31254SSSweden
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
A 240 S31254SSSweden
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 S31254SSSweden
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 269 S31254SSSweden
Seamless and Welded Austenitic Stainless Steel Tubing for General Service
A 270 S31254SSSweden
Seamless and Welded Austenitic Stainless Steel Sanitary Tubing
A 276 S31254SSSweden
Stainless Steel Bars and Shapes
A 312 S31254SSSweden
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
A 358 S31254SSSweden
Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications
A 403 CRS31254SSSweden
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
A 403 WP S31254SSSweden
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
A 409 S31254SSSweden
Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service
A 473 S31254SSSweden
Stainless Steel Forgings
A 479 S31254SSSweden
Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
A 688 S31254SSSweden
Welded Austenitic Stainless Steel Feedwater Heater Tubes
A 813 S31254SSSweden
Single- or Double-Welded Austenitic Stainless Steel Pipe
A 814 S31254SSSweden
Cold-Worked Welded Austenitic Stainless Steel Pipe
A 943 S31254SSSweden
Spray-Formed Seamless Austenitic Stainless Steel Pipes
A 959 S31254SSSweden
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
A 988 S31254SSSweden
Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves, and Parts for High Temperature Service

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