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S32550Application:Dual-phase steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy S32550UNSUSA

Chemical composition%of the ladle analysis of gradeS32550

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Mo(%)N(%)Cu(%)
0.0411.5Max 0.04Max 0.0324.0-27.04.50-6.502.00-4.001.50-2.501.50-2.50
S32550
Mechanical properties of gradeS32550
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)
793(≥)498(≥)321312Solution and Aging,Annealing,Ausaging,Q+T,etc212
Physical properties of gradeS32550
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
816(≥)186(≥)123421Solution and Aging,Annealing,Ausaging,Q+T,etc131
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
458445161
S32550Range 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 1049 S32550UNSUSA
Stainless Steel Forgings, Ferritic/Austenitic (Duplex), for Pressure Vessels and Related Components
A 240 S32550UNSUSA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 276 S32550UNSUSA
Stainless Steel Bars and Shapes
A 473 S32550UNSUSA
Stainless Steel Forgings
A 479 S32550UNSUSA
Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
A 511 S32550UNSUSA
Seamless Stainless Steel Mechanical Tubing
A 789 S32550UNSUSA
Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service
A 790 S32550UNSUSA
Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe
A 815 CRS32550UNSUSA
Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings
A 815 WPS32550UNSUSA
Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings
A 928 S32550UNSUSA
Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal
A 949 S32550UNSUSA
Spray-Formed Seamless Ferritic/Austenitic Stainless Steel Pipe
S32550UNSUSA
Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Copper Nitrogen Stainless Steel
SA-240 S32550UNSUSA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-276 S32550UNSUSA
Specification for Stainless Steel Bars and Shapes
SA-479 S32550UNSUSA
Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
SA-789 S32550UNSUSA
Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service
SA-790 S32550UNSUSA
Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe
SA-815 CRS32550UNSUSA
Specification for Wrought Ferritic, Ferritic /Austenitic, and Martensitic Stainless Steel Piping Fittings
SA-815 WPS32550UNSUSA
Specification for Wrought Ferritic, Ferritic /Austenitic, and Martensitic Stainless Steel Piping Fittings

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