Heat Resistant Iron ASTM A319

Chemical Composition

Element Symbol Average Preferred Range %
Carbon C 2.8
Chromium Cr 0.2-0.4
Silicon Si 1.2-2.7
Phosphorus P 0.6
Sulfur S 0.15
Carbon Content Equivalent CE 3.2-3.80
Iron Fe Balance

Mechanical Properties

Property Metric Values Imperial Values
Tensile Strenght Min 40 ksi 276 MPa
Yield Strength Min 25 ksi 170 MPa
Elongation Min % 34% 34%
Hardness (Brinell) 170HB 170HB

Comparative Specifications

ASTM: ASTM A319 Class III

UNS: F10003

Applicable Casting Processes