STS303Cu Stainless Steels to D 3692 (2001)

STS303Cu - Specification & Application

  • D 3692 (2001) - Cold finished stainless steel bars
  • D 3702 (2008) - Stainless steel wire rods
  • D 3703 (2007) - Stainless steel wires
  • D 3706 (2008) - Stainless steel bars

Stainless steel bars

Chemical composition(wt.%) of STS303Cu grade: to D 3692 (2001)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Si - 1.00
Mn - 2.00
P - 0.20
S - 0.15
Cr 17.00 19.00
Ni 8.00 10.00
Mo - 0.60
N - -
Cu 1.50 3.50

STS303Cu - Detail

Stainless steel bars

Mechanical properties of grade STS303Cu D 3692 (2001)

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)
525 (≥) 581 (≥) 33 22 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical properties of grade STS303Cu D 3692 (2001)

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
562 (≥) 318 (≥) 43 13 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 313
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
689 361 879

Equivalent Products

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