SUS 303Se - Cast Iron and Cast Steel

SUS 303Se Stainless Steels to G 4303 (2005)

SUS 303Se - Specification & Application

G 4303 (2005) - Stainless steel bars
G 4308 (2007) - Stainless steel wire rods
G 4309 (1999) - Stainless steel wires
G 4318 (2007) - Cold finished stainless steel bars

Standard Specification for Stainless Steel Socket Set Screws (Metric)

Chemical composition(wt.%) of SUS 303Se grade: to G 4303 (2005)

Elements	Min.（≥）	Max.（≤）
C	-	0.15
Si	-	1.00
Mn	-	2.00
P	-	0.2
S	-	0.06
Cr	17.0	19.0
Ni	8.00	10.0
Se	0.15	-

SUS 303Se - Detail

Austenitic Alloys; Sizes M1.6 through M24
Standard Specification for Stainless Steel Socket Set Screws (Metric)

Mechanical properties of grade SUS 303Se G 4303 (2005)

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)
292 (≥)	142 (≥)	43	33	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	122

Physical properties of grade SUS 303Se G 4303 (2005)

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
456 (≥)	972 (≥)	34	44	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	443
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
121	944	615

Equivalent Grade

1 CNS 303Se 2 STS303Se 3 CNS 303Se 4 CNS 303Se 5 303Se 6 A 314 303Se 7 A 473 303 Se 8 A 511 MT303Se 9 A 581 Type 303Se 10 A 582 Type 303Se 11 A 895 Type 303Se 12 A 959 Type 303Se 13 F 593 303 Se 14 F 594 303Se

Equivalent Products

Product shapes we supply:

We can customize the production of SUS 303Se grade, contact us for the best solution.
–sales@specificsteel.com