ASTM A517 / A517M Grade S

Chemical Properties

Carbon	Manganese	Phosphorus,maxA	Sulfur,maxA	Silicon	Chromium	Molybdenum	Boron	Vanadium	Titanium
0.13–0.23	0.64–1.10	0.025	0.025	0.13–0.37	0.36–0.69	0.12–0.28	0.0005–0.005	0.02–0.09	0.01–0.05

Note: A Applied to both heat and product analyses. C Zirconium may be replaced by cerium. When cerium is added, the cerium/sulfur ratio should be approximately 1.5 to 1, based on heat analysis.

Mechanical Properties

Sizes	Tensile strength,min: ksi [MPa]	Yield strength,min: ksi [MPa]	Elongation in 2 in. [50 mm] min, %A	Reduction of area, min, %
				Rectangular specimens	Round specimens
2.50 in. [65 mm] and Under	115–135 [795–930]	100 [690]	16	35	45
Over 2.50 to 6 in. [65 to 150 mm]	105–135 [725 to 930]	90 [620]	14	-	45

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