SUS 304L Stainless Steels to G 4303 (2005)

SUS 304L - Specification & Application

  • G 4303 (2005) - Stainless steel bars
  • G 4304 (2010) - Hot-rolled stainless steel plates, sheet and strip
  • G 4305 (2010) - Cold-rolled stainless steel plate, sheet and strip
  • G 4308 (2007) - Stainless steel wire rods
  • G 4309 (1999) - Stainless steel wires
  • G 4317 (2005) - Hot-formed stainless steel sections
  • G 4318 (2007) - Cold finished stainless steel bars
  • G 4320 (2003) - Cold-formed stainless steel sections

Stainless steel bars

Chemical composition(wt.%) of SUS 304L grade: to G 4303 (2005)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.030
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.03
Cr 18.00 20.00
Ni 9.00 13.00

SUS 304L - Detail

Stainless steel bars

Mechanical properties of grade SUS 304L G 4303 (2005)

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)
773 (≥) 764 (≥) 23 24 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical properties of grade SUS 304L 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
Expansion rate
228 (≥) 276 (≥) 11 24 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 411
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
173 846 666
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