**STS303Se**Application:KS standard austenite stainless steel bars(KS D3706-1992)
Category	Type	Steel grade	Standard	Country
Grades	Special Alloy	STS303Se	KS	Korea

Chemical composition%of the ladle analysis of gradeSTS303Se

C(％)	Si(％)	Mn(％)	P(％)	S(％)	Cr(％)	Ni(％)	Mo(％)	Other(%)
Max 0.15	Max 1.00	Max 2.00	Max 0.2	Max 0.06	17.0-19.0	8.00-10.00	Max 0.60	Se: max 0.15

KS standard austenite stainless steel bars(KS D3706-1992)

Mechanical properties of gradeSTS303Se
Proof strength R_p0.2(MPa)	Tensile strength R_m(MPa)	Impact energy KV(J)	Elongation at fracture A(%)	Reduction in cross section on fracture Z(%)	As-Heat-Treated Condition	Brinell hardness(HBW)
935(≥)	815(≥)	11	23	14	Solution and Aging,Annealing,Ausaging,Q+T,etc	234

Physical properties of gradeSTS303Se
Property	Density kg/dm3	Temperature T °C/F	Specific heat J/kgK	Thermal conductivity W/mK	Electric resistance µΩ·cm	Modulus of elasticity kN/mm2
875(≥)	599(≥)	14	21	22	Solution and Aging,Annealing,Ausaging,Q+T,etc	412
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0)N/mm2	Creep rupture strength (10000h) (Rp1,0)N/mm2
592	339	186

STS303SeRange of products
Product type	Products	Dimension	Processes	Deliver Status
Plates/Sheets	Plates/Sheets	0.08-200mm(T)WL	Forging,hot rolling and cold rolling	Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Steel Bar	Round Bar,Flat Bar,Square Bar	Φ8-1200mm*L	Forging,hot rolling and cold rolling,Cast	Black,Rough Turning,Shot Blasting,
Coil/Strip	Steel Coil/Steel Strip	0.03-16.0x1200mm	Cold-Rolled&Hot-Rolled	Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Pipes/Tubes	Seamless Pipes/Tubes,Welded Pipes/Tubes	OD:6-219mm x WT:0.5-20.0mm	Hot extrusion,Cold Drawn,Welded	Annealed,Solution and Aging,Q+T,ACID-WASHED

Cross Reference Table(Equivalent Grade)
Grade	Standard	Country	Application
STS303Se	KS	Korea	Free - machining stainless steel wire and wire rods

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