ASTM B709

This specification covers iron-nickel-chromiummolybdenum alloy (UNS N08028)* plate, sheet, and strip in the solution-annealed condition. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.

Chemical Properties

Ni	Fe	Cr	Mo	C, max	Si, max	Mn, max	P, max	S, max	Cu
29.5-32.5	remainderA	26.0-28.0	3.0-4.0	0.030	1.00	2.50	0.030	0.030	0.6-1.4

Note A: Determined arithmetically by difference

Mechanical Properties

Form	Tensile Strength, min, ksi (MPa)	Yield Strength (0.2 % offset), min, ksi (MPa)	Elongation in 2 in. or 50 mm, or 4D, min, %	Rockwell Hardness (or equivalent)A
Sheet	73 (500)	31 (214)	40	70–90 HRB
Strip	73 (500)	31 (214)	40	70–90 HRB
Plate	73 (500)	31 (214)	40	70–90 HRB

Note A: Hardness values are shown for information only and shall not constitute a basis for acceptance or rejection as long as the other mechanical properties are met.

Products