Chemical Properties

Carbon, max	Manganese	Phosphorus, max	Sulfur, max	Silicon	Nickel	Chromium	Molybdenum	Aluminum, total	Nitrogen, max
0.13	0.84–1.59	0.025	0.015	0.13–0.33A	4.9–6.1	0.06–1.05	0.09–0.33	0.015–0.06	0.010

Note A: The specified minimum limit does not apply if the total aluminum is 0.030 % or more, ore if the acid soluble aluminum content is 0.025 % or more.

Mechanical Properties

Yield strength, min, ksi [MPa]A	Tensile strength, ksi [MPa]	Elongation in 2 in. [50 mm], min, %B
65 [450]	95-115 [655-795]	20.0

Note A: At 0.2 % offset, or, if agreed between the purchaser and the manufacturer, at 0.5 Note B: % extension under load.

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