Alloy 630 H1075


AISI 630
ASME SA564 630 – H1075
ASTM A564 630 – H1075


Base Element Fe(Iron)

Element Min Max
C (Carbon) 0.07%
Cr(Chromium) 15 17.5%
Cu (Copper) 3 5%
Mn(Manganese) 1%
Nb(Niobium) 0.15 0.45%
Ni (Nickel) 3 5%
P (Phosphorus) 0.04%
S (Sulphur) 0.03%
Si (Silicon) 1%
Mechanical Property Value
Ultimate Tensile Strength (UTS) 1130 MPa
0.2% Proof Stress 1020 MPa
Elongation 17%
Gauge Length A50mm
Hardness (Brinell) 341 HB
Hardness (Rockwell C) 36 HRC
Charpy V-Notch Impact = Room Temp. 61 J


Corrosion Resistant
Oxidation Resistant
Stress Rupture


Used in industries such as Aerospace, Nuclear, Chemical and paper.
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