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S31500Application:Dual-phase steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy S31500UNSUSA

Chemical composition%of the ladle analysis of gradeS31500

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Mo(%)
0.03 1.40-2.001.20-2.00Max 0.03Max 0.03Max 0.034.25-5.252.50-3.00
S31500
Mechanical properties of gradeS31500
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)
786(≥)424(≥)214323Solution and Aging,Annealing,Ausaging,Q+T,etc133
Physical properties of gradeS31500
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
865(≥)498(≥)221321Solution and Aging,Annealing,Ausaging,Q+T,etc222
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
454667883
S31500Range 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 789 S31500UNSUSA
Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service
A 790 S31500UNSUSA
Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe
A 928 S31500UNSUSA
Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal
A 949 S31500UNSUSA
Spray-Formed Seamless Ferritic/Austenitic Stainless Steel Pipe
A 959 S31500UNSUSA
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
S31500UNSUSA
Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Silicon Stainless Steel
SA-789 S31500UNSUSA
Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service
SA-790 S31500UNSUSA
Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe

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