SUS 630 Stainless Steels to G 4303 (2012)

SUS 630 - Specification & Application

  • G 4303 (2012) - Stainless steel bars

Stainless steel bars

Chemical composition(wt.%) of SUS 630 grade: to G 4303 (2012)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.07
Si - 1.00
Mn - 1.00
P - 0.04
S - 0.03
Cr 15.00 17.00
Ni 3.00 5.00
Mo - -
N - -
Cu 3.00 5.00
Nb 0.15 0.45

SUS 630 - Detail

Stainless steel bars

Mechanical properties of grade SUS 630 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)
277 (≥) 679 (≥) 12 43 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical properties of grade SUS 630 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
381 (≥) 953 (≥) 44 31 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 421
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
738 588 875

Equivalent Products

We can customize the production of SUS 630 grade, contact us for the best solution.
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