GB/T 12459-1990
Steel butt-welding seamless pipe fittings (English Version)

Standard No.

GB/T 12459-1990

Language

Chinese, Available in English version

Release Date

1990

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2005-08

Replace By

GB/T 12459-2005

Latest

GB/T 12459-2017

GB/T 13401-2017

Scope

This standard specifies the dimensions, tolerances, technical requirements, inspection and marking of carbon steel, alloy steel and austenitic stainless steel butt-welding seamless pipe fittings (including elbows, reducers, tees, crosses, caps). This standard applies to butt-welding seamless pipe fittings made of carbon steel, alloy steel and austenitic stainless steel for pipeline engineering in petroleum, chemical, hydropower, metallurgy, textile and other departments.

GB/T 12459-1990 history

• 2017 GB/T 12459-2017 Steel buttwelding pipe fittings—Types and parameter
• 2005 GB/T 12459-2005 Steel butt-welding seamless pipe fittings
• 1990 GB/T 12459-1990 Steel butt-welding seamless pipe fittings