ASTM A608/A608M-12
Standard Specification for Centrifugally Cast Iron-Chromium-Nickel High-Alloy Tubing for Pressure Application at High Temperatures

Standard No.

ASTM A608/A608M-12

Release Date

2012

Published By

American Society for Testing and Materials (ASTM)

Status

Be replaced

Replace By

ASTM A608/A608M-14

Latest

ASTM A608/A608M-20

Scope

1.1 This specification covers iron-chromium-nickel, high-alloy tubes made by the centrifugal casting process intended for use under pressure at high temperatures.

1.2 The grades of high alloys detailed in Table 1 are intended for applications requiring strength and resistance to corrosion and scaling at high temperatures.

TABLE 1 Chemical Requirements

Grade	Composition, %
	Carbon	Manganese	Silicon	Chromium	Nickel	Phosphorus	Sulfur	Molybdenum	Niobium
HC30	0.25???0.35	0.5???1.0	0.50???2.00	26???30	4.0 max	0.04 max	0.04 max