ASTM A694 F70 — Chemical Composition & Mechanical Properties

ASTM A694 F70 at a glance

Typical service

High-pressure transmission pipeline flanges matched to API 5L X70 line pipe

Heat treatment

Normalised, normalised and tempered, or quenched and tempered

Mechanical properties

About high-yield carbon steel

High-yield carbon steels are micro-alloyed carbon–manganese steels made for high-pressure transmission pipelines. The number in the grade is the minimum yield strength in ksi: F52 and X52 mean 52 000 psi (360 MPa).

Reference information compiled from the published standard for convenience. It does not replace the current edition of the governing standard, which takes precedence. Verify critical dimensions and properties before design, purchase or fabrication. Teshi Engineers & Sales Promoters (P) Ltd accepts no liability for errors or omissions.