SUS 303Cu - Cast Iron and Cast Steel

SUS 303Cu Stainless Steels to G 4303 (2005)

SUS 303Cu - 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

Austenitic stainless steel; B (bars) can be suffixed to the symbol of the grade; Round bars, square bars, hexagonal bars and flat bars, hereafter generically reffered to as "bars".

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

Elements	Min.（≥）	Max.（≤）
C	-	0.15
Si	-	1.00
Mn	-	2.00
P	-	0.15
S	0.10	-
Cr	17.0	19.0
Ni	6.00	10.0
Cu	2.50	4.00
Se	0.10	-

SUS 303Cu - Detail

Austenitic stainless steel; B (bars) can be suffixed to the symbol of the grade; Round bars, square bars, hexagonal bars and flat bars, hereafter generically reffered to as "bars".

Mechanical properties of grade SUS 303Cu 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)
885 (≥)	468 (≥)	32	44	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	442

Physical properties of grade SUS 303Cu 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
671 (≥)	551 (≥)	34	31	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	244
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
851	131	432

Equivalent Grade

1 303 Cu 2 SUS 303Cu 3 SUS303Cu 4 S30330 5 SUS 303 Cu 6 SUS 303 Cu 7 SUS 303 Cu 8 SUS 303 Cu

Equivalent Products

Product shapes we supply:

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