ASTM A542 / A542M Type A Class 2

Chemical Properties

Carbon	Manganese	Phosphorus	Sulfur	Silicon	Chromium	Molybdenum	Copper	Nickel	Vanadium
0.18	0.25–0.66	0.025	0.025	0.50	1.88–2.62	0.85–1.15	0.43	0.43	0.04

Mechanical Properties

Class	Tensile strength,min: ksi [MPa]	Yield strength,min: ksi [MPa]	Elongation in 2 in. [50 mm] min, %A,B
Class 2	115–135 [795–930]	100 [690]	13

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