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STS347Application:Austenitic Steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy STS347KSKorea

Chemical composition%of the ladle analysis of gradeSTS347

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Nb(%)
Max 0.08Max 1.00Max 2.00Max 0.045Max 0.0317.O-19.O9.OO-13.O10×C%
STS347
Mechanical properties of gradeSTS347
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)
345(≥)464(≥)421212Solution and Aging,Annealing,Ausaging,Q+T,etc324
Physical properties of gradeSTS347
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
833(≥)947(≥)322222Solution and Aging,Annealing,Ausaging,Q+T,etc324
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
186638621
STS347Range 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
STS347KSKorea
Special alloys steel for chemical plant
STS347TKAKSKorea
Stainless steel pipes for machine and structural purposes
STS347HTBKSKorea
Stainless steel for boiler and heat exchanger tubes
STS347HTFKSKorea
Steel tubes for fired heater
STS347TBKSKorea
Stainless steel for boiler and heat exchanger tubes
STS347TFKSKorea
Steel tubes for fired heater
STS347TPYKSKorea
Large diameter welded stainless steel pipes
STS347FBKSKorea
Stainless steel blooms and billets for forgings
STS347HFBKSKorea
Stainless steel blooms and billets for forgings
STS347HTPKSKorea
Stainless lined steel pipe
STS347TPKSKorea
Stainless lined steel pipe

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