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HK Steel Composition & Properties

General Information

Cast Alloy Designation: 
HK
Alloy family: 
Heat Resistant Stainless Steel
UNS #: 
J94224
ASTM Standard(s): 
A297
Wrought: 
310

Chemical Composition

C: 
0.20-0.60
Mn: 
0.00-2.00
Cr: 
24.00-28.00
Mo: 
0.00-0.50
Ni: 
18.00-22.00
Fe: 
46.90-57.80
Cu: 
0.00-0.00

Mechanical Properties

Tensile strength (ksi): 
0.00-65.00
Yield strength (ksi): 
35
Elongation (%): 
10
Hardness (Brinell): 
0.00-178.00