Standards

YB/T 4173-2008 Forged and bored seamless steel pipes with heavy wall for high-temperature service

This standard specifies the dimensions, shape, weight, and allowable deviations of high-temperature forged boring thick-walled seamless steel pipes (hereinafter referred to as steel pipes), as well as their technical requirements, inspection methods, inspection rules, marking, packaging, and quality certificates.

Publish Date: 2008-03-12

YB/T 4174.1-2008 The determination of aluminum content in silicon calcium alloy using inductively coupled plasma atomic emission spectroscopy

Publish Date: 2008-03-12

YB/T 4176-2008 Method for twisting large-sized wire of metal materials

Publish Date: 2008-03-12

YB/T 024-2008 Steel strips for cable armouring

Publish Date: 2008-03-12

YB/T 4174.2-2008 The determination of phosphorus content in silicon calcium alloy by inductively coupled plasma atomic emission spectroscopy

Publish Date: 2008-03-12

YB/T 5305-2008 Carbon structural steel pipes for electric wire

Publish Date: 2008-03-12

YB/T 4171-2008 Antibacterial stainless steel containing copper

Publish Date: 2008-02-01

YB/T 4035-2007 Silicon nitride bonded silicon carbide bricks

Publish Date: 2007-08-28

YB/T 4168-2007 Fireclay brick and semi-silica brick for coke oven

Publish Date: 2007-08-28

YB/T 4165-2007 Shock absorbing steel strand for vibrations

Publish Date: 2007-05-29

YB/T 4164-2007 Double-layer copper welded steel tube

Publish Date: 2007-05-29

YB/T 5137-2007 High-pressure seamless round tube for hot rolling and forged steel tube blank

Publish Date: 2007-03-06