ASTM630 Stainless Steels

ASTM630 - Specification & Application

ASTM630

Chemical composition(wt.%) of ASTM630 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.07
SI - 1.00
Mn - 1.00
P - 0.04
S - 0.03
Cr 15.5 17.5
Ni 3.00 5.00
Cu 3.00 5.00
Nb 0.15 0.45

ASTM630 - Detail

ASTM630

Mechanical properties of grade ASTM630

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)
373 (≥) 963 (≥) 44 31 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical properties of grade ASTM630

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
145 (≥) 449 (≥) 44 42 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 344
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
926 594 931
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