ASTM A297 / A297M Grade HX

Chemical Properties

Carbon Manganese Silicon Phosphorus Sulfur Chromium Nickel MolybdenumA
Note A: Castings having a specified molybdenum range agreed upon by the manufacturer and the purchaser may also be furnished under these specifications.

Mechanical Properties

Tensile strength,
ksi [MPa]
Yield strength,
min, ksi [MPa]
Elongation in 2 in.
[50 mm], min, %A
Note A:When ICI test bars are used in tensile testing as provided for in this specification, the gage length to reduced section diameter ratio shall be 4 to 1.