GB/T 12459-2017
Steel buttwelding pipe fittings—Types and parameter (English Version)

Standard No.

GB/T 12459-2017

Language

Chinese, Available in English version

Release Date

2017

Published By

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

Latest

GB/T 12459-2017

Replace

GB/T 13401-2005 GB/T 12459-2005

Scope

This standard specifies the types and codes of DN 15~DN 1500 (NPS1/2~NPS60) steel butt-welding pipe fittings (hereinafter referred to as pipe fittings), pressure design of pipe fittings, pipe fitting dimensions, surface contours, end bevels, tolerances, marks And product quality certificate and other requirements. This standard applies to steel butt-welding seamless and welded fittings.

GB/T 12459-2017 Referenced Document

• GB/T 13401-2017 Steel buttwelding pipe fittings—Technical specification
• GB/T 9118 Loose hubbed steel pipe flanges with welding neck collor
• GB/T 9124 Specifications for steel pipe flanges

GB/T 12459-2017 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