SUS 304 A Stainless Steels to G 4321 (2000)

SUS 304 A - Specification & Application

  • G 4321 (2000) - Stainless steel for building structure

Stainless steel for building structure

Chemical composition(wt.%) of SUS 304 A grade: to G 4321 (2000)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.03
Cr 18.00 20.00
Ni 8.00 10.50
Mo - -
N - -

SUS 304 A - Detail

Stainless steel for building structure

Mechanical properties of grade SUS 304 A G 4321 (2000)

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)
974 (≥) 719 (≥) 21 32 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical properties of grade SUS 304 A G 4321 (2000)

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
121 (≥) 622 (≥) 22 14 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 431
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
453 467 688

Equivalent Grade

Equivalent Products

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