SUS 321 Stainless Steels to G 4309 (1999)

SUS 321 - Specification & Application

  • G 4309 (1999) - Stainless steel wires

Stainless steel wires

Chemical composition(wt.%) of SUS 321 grade: to G 4309 (1999)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.03
Cr 17.00 19.00
Ni 9.00 13.00
Mo - -
N - -
Ti 5×C% -

SUS 321 - Detail

Stainless steel wires

Mechanical properties of grade SUS 321 G 4309 (1999)

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)
887 (≥) 629 (≥) 12 41 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical properties of grade SUS 321 G 4309 (1999)

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
625 (≥) 339 (≥) 44 34 32 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
488 421 962

Equivalent Products

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