ASTM A297 / A297M Grade CT15C

Chemical Properties

Carbon Manganese Silicon Phosphorus Sulfur Chromium Nickel OthersA
Note A: Niobium (Nb) and Columbium (Cb) both designate element 41.

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.

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