ASTM B620

This specification covers rolled nickel-iron-chromiummolybdenum alloy (UNS N08320)* plate, sheet, and strip, for use in general corrosive service.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

Nickel	Iron	Chromium	Molybdenum	Manganese, max	Carbon, max	Titanium, max	Silicon, max	Phosphorus, max	Sulfur, max
25.0-27.0	remainderA	21.0-23.0	4.0-6.0	2.5	0.05	4 * carbon	1.00	0.04	0.03

Mechanical Properties

Tensile Strength min, psi (MPa)	Yield Strength (0.2 % Offset) min, psi(MPa)	Elongation in 2 in. (50.8 mm) or 4DA min, %	Rockwell Hardness,B max
75 000(517)	28 000(193)	35	95 HRB

Note A: D refers to the diameter of the tension specimen. Note B: Hardness values are shown for information purposes only and are not to be used as a basis for rejection or acceptance.

Products