ASTM A 1021 Standard Specification for Martensitic Stainless Steel Forgings and Forging Stock for High-Temperature Service

1. Scope
1.1 This specification covers martensitic chromium stainless steel forgings, forged bar, and forging stock for high temperature
service. The mechanical properties are developed by suitable heat treatment, as indicated for each alloy.

1.2 The values stated in inch-pound units are to be regarded as standard.

2. Referenced Documents
2.1 ASTM Standards:

ASTM A 275 Test Method for Magnetic Particle Examination of Steel Forgings
ASTM A 370 Test Methods and Definitions for Mechanical Testing of Steel Products
ASTM A 788 Specification for Steel Forgings, General Requirements
ASTM E 112 Test Methods for Determining Average Grain Size
ASTM E 292 Test Methods for Conducting Time-For-Rupture Notch Tension Tests of Materials
ASTM E 381 Method of Macroetch Testing Steel Bars, Billets,Blooms, and Forgings
ASTM E 562 Test Method for Determining Volume Fraction by Systematic Manual Point Count