SUS 630 Stainless Steels to G 4311 (2011)

SUS 630 - Specification & Application

  • G 4311 (2011) - Heat-resisting steel bars and wire rods

Heat-resisting steel bars and wire rods

Chemical composition(wt.%) of SUS 630 grade: to G 4311 (2011)

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

Heat-resisting steel bars and wire rods

Mechanical properties of grade SUS 630 G 4311 (2011)

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)
384 (≥) 126 (≥) 41 12 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical properties of grade SUS 630 G 4311 (2011)

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
374 (≥) 552 (≥) 41 41 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 321
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
725 618 941

Equivalent Products

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