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302S31Application:austenite and ferrite special steel
CategoryTypeSteel gradeCountry
Grades Special Alloy 302S31UK

Chemical composition%of the ladle analysis of grade302S31

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)
Max 0.12Max 1.00Max 2.00Max 0.045Max 0.0317.0-19.08.00-10.0
302S31
Mechanical properties of grade302S31
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)
549(≥)195(≥)411421Solution and Aging,Annealing,Ausaging,Q+T,etc333
Physical properties of grade302S31
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
232(≥)881(≥)133233Solution 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
379613285
302S31Range 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
302S31UK
Specification for wrought steels for mechanical and allied engineering purposes. General inspection and testing procedures and specific requirements for carbon, carbon manganese, alloy and stainless steels

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