SUS 303 Se Stainless Steels to G 4303 (2012)

SUS 303 Se - Specification & Application

  • G 4303 (2012) - Stainless steel bars

Stainless steel bars

Chemical composition(wt.%) of SUS 303 Se grade: to G 4303 (2012)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Si - 1.00
Mn - 2.00
P - 0.20
S - 0.06
Cr 17.00 19.00
Ni 8.00 10.00
Mo - -
N - -
Se - 0.15

SUS 303 Se - Detail

Stainless steel bars

Mechanical properties of grade SUS 303 Se G 4303 (2012)

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 Condition Brinell hardness (HBW)
137 (≥) 212 (≥) 21 34 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical properties of grade SUS 303 Se G 4303 (2012)

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
Expansion rate
654 (≥) 346 (≥) 33 32 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 414
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
335 662 175

Equivalent Products

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