Home»Grades > Special Alloy > 321S31
321S31Application:austenitic special steel
CategoryTypeSteel gradeCountry
Grades Special Alloy 321S31UK

Chemical composition%of the ladle analysis of grade321S31

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Ti(%)
Max 0.08Max 0.08Max 2.00Max 0.045Max 0.045Max 0.0459.00-12.05×C-0.80
321S31
Mechanical properties of grade321S31
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)
111(≥)241(≥)422212Solution and Aging,Annealing,Ausaging,Q+T,etc342
Physical properties of grade321S31
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
164(≥)647(≥)124243Solution and Aging,Annealing,Ausaging,Q+T,etc111
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
668464459
321S31Range 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
321S31UK
Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes
LW24UK
Specification for seamless and welded steel tubes for automobile , mechanical and general engineering purposes. Specific requirements for longitudinally welded stainless steel tubes
LWCF24UK
Specification for seamless and welded steel tubes for automobile , mechanical and general engineering purposes. Specific requirements for longitudinally welded stainless steel tubes

Enquiry