Ductile Iron

				Minimum	Minimum
Specifing	Spec.	Typical	Class or	Tensile	Yield	%	Heat	Other
Body:	Number:	Use:	Grade:	Strength	Strength	Elongation	Treatment:	Requirements:
				PSI:	PSI:
ASTM	A-395-99	Pressure Containing	60-40-18	60	40	18	Normally	Special chemical
		Parts at Elevated	60-45-15	60	45	15	Annealed	and BHN requirements
		Temperatures						as ASTM stipulates.
ASTM	A536-84		60-40-18	60	40	18	Normally
							Annealed
			65-45-12	65	45	12	May Require	Chemical
							Annealing	composition is
		Standard Use For	80-55-06	80	55	6		subordinate to
		Ductile Iron Castings						physical properties
			100-70-03	100	70	3	Normalized	except if specified
								on the PO and by
			120-90-02	120	90	2	Quenched and	our mutual agreement.
							Tempered.
		Special Applications	80-60-03	80	60	3

Ref: ASTM Annual Book of Standards Ferrous Castings: Ferroalloys							Most common grades poured at Oil City.
Section 1 Volume 01.02 for additional data.