scope:

This specification covers carbon and alloy steel forgings for general shipboard application.

The carbon and alloy steel forgings are of the types and classes, as specified (see 6.2).

Steel forgings are of the following classes:

Yield strength Class (minimum) (lb/in²) A 140,000 B 120,000 C 100,000 D 80,000 E 65,000 F 45,000 G 40,000 H 30,000

Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval Sea Systems Command, SEA 55Z3, Department of the Navy, Washington, DC 20362-5101 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter.

Steel forgings are of the following types:

Type I Ni Cr Mo Type II Cr Mo Type III Ni Type IV Plain carbon (medium) Type V Plain carbon (low)

intended Use:

The carbon and alloy steel forgings covered by this specification are intended for general shipboard applications.