ASTM A542 / A542M Type D

Chemical Properties

Carbon	Manganese	Phosphorus	Sulfur	Silicon	Chromium	Molybdenum	Copper	Nickel	Vanadium	Titanium	Boron	Columbium
0.09–0.18	0.25–0.66	0.020	0.015	0.13	1.88–2.62	0.85–1.15	0.23	0.28	0.23–0.37	0.030	0.035	0.0020

Mechanical Properties

Class	Tensile strength,min: ksi [MPa]	Yield strength,min: ksi [MPa]	Elongation in 2 in. [50 mm] min, %A,B
Class 4a	85–110 [585–760]	60 [415]	18

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