Alloy 630 H925

Alias

630
UNS S17400
1.4542
S17400
17 4PH
ASTM A564 630 – H925
ASME SA564 630 – H925

Chemistry

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) 1380 MPa
0.2% Proof Stress 1350 MPa
Elongation 8%
Gauge Length A50mm
Hardness (Rockwell C) 43 HRC

Properties

Corrosion Resistant
High strength and good mechanical properties.

Uses

Used in the Aerospace, petrochemical, food processing and paper industries.

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