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HH Steel Composition & Properties
General Information
Cast Alloy Designation:
HH
Alloy family:
Heat Resistant Stainless Steel
UNS #:
J93503
ASTM Standard(s):
A297
Wrought:
309
Chemical Composition
C:
0.20-0.50
Mn:
0.00-2.00Cr:
24.00-28.00Mo:
0.00-0.50Ni:
11.00-14.00Fe:
55.00-64.80Cu:
0.00-0.00Mechanical Properties
Tensile strength (ksi):
0.00-75.00Yield strength (ksi):
35
Elongation (%):
10
Hardness (Brinell):
0.00-180.00