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321S51(1010)Application:austenitic special steel
CategoryTypeSteel gradeCountry
Grades Special Alloy 321S51(1010)UK

Chemical composition%of the ladle analysis of grade321S51(1010)

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Ti(%)
0.04-0.10Max 1.00Max 2.00Max 0.04Max 0.0317.0-19.09.00-12.05×CMax 0.80
321S51(1010)
Mechanical properties of grade321S51(1010)
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)
918(≥)232(≥)143434Solution and Aging,Annealing,Ausaging,Q+T,etc242
Physical properties of grade321S51(1010)
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
563(≥)797(≥)144134Solution and Aging,Annealing,Ausaging,Q+T,etc434
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
771237737
321S51(1010)Range 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
321S51(1010)UK
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes

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