ASTM A517 /A517M

This specification covers high-strength quenched and tempered alloy steel plates intended for use in fusion welded boilers and other pressure vessels.This specification includes a number of grades as manufactured by different producers, but all having the same mechanical properties and general characteristics.The maximum thickness of plates furnished under the specification.

Chemical Properties

Grade	Carbon	Manganese	Phosphorus,maxA	Sulfur,maxA	Silicon	Nickel	Chromium	Molybdenum	Boron	Vanadium	Titanium	Zirconium	Copper	Columbium, max
Grade A	0.13–0.23	0.74–1.20	0.025	0.025	0.34–0.86	-	0.46–0.84	0.15–0.31	0.0025 max	-	-	0.05–0.15C	-	-
Grade B	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	-	-	-
Grade E	0.10–0.22	0.35–0.78	0.025	0.025	0.08–0.45	-	1.34–2.06	0.36–0.64	0.001–0.005	-	0.005–0.11	-	-	-
Grade F	0.08–0.22	0.55–1.10	0.025	0.025	0.13–0.37	0.67–1.03	0.36–0.69	0.36–0.64	0.0005–0.006	0.02–0.09	0.11 max	-	0.15–0.50	-
Grade H	0.10–0.23	0.87–1.41	0.025	0.025	0.13–0.37	0.27–0.73	0.36–0.69	0.17–0.33	0.0005 min	0.02–0.09	0.11 max	-	-	-
Grade P	0.10–0.23	0.40–0.78	0.025	0.025	0.18–0.37	1.15–1.55	0.79–1.26	0.41–0.64	0.001–0.005	-	0.11 max	-	-	-
Grade Q	0.12–0.23	0.87–1.41	0.025	0.025	0.13–0.37	1.15–1.55	0.94–1.56	0.36–0.64	-	0.02–0.09	-	-	-	-
Grade S		0.10–0.22		1.02–1.62	0.025	0.025	0.13–0.45	0.10–0.38	-	-	0.07 max	-	-	0.06

Note: A Applied to both heat and product analyses.

B May be substituted for part or all of titanium content on a one for one basis.

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

Products