23.040.10 - Iron and steel pipes

GB/T 34202-2017 in English

Ductile iron pipes,fittings and accessories―Epoxy coating(heavy-duty)

VALID

Issued on:2017-09-07 | Implemented on:2018-06-01

DB13/T 2504-2017 in English

VALID

Issued on:2017-03-29 | Implemented on:2017-06-01

DB13/T 2262-2015 in English

VALID

Issued on:2015-12-31 | Implemented on:2016-02-01

DB13/T 2076-2014 in English

VALID

Issued on:2014-09-02 | Implemented on:2014-10-01

GB/T 30582-2014 in English

Risk-based-inspection and Assessment Methodology of External Damage for Buried Steel Pipelines

VALID

Issued on:2014-05-06 | Implemented on:2014-12-01

GB/T 13295-2013 in English

Ductile iron pipes,fittings and accessories for water or gas applications

SUPERSEDED

Issued on:2013-12-17 | Implemented on:2014-09-01

GB/T 28713.3-2012 in English

Enhanced heat transfer elements used in tube-shell heat exchangers - Part 3：Wavy tubes

SUPERSEDED

Issued on:2012-09-03 | Implemented on:2013-01-01

GB/T 28713.2-2012 in English

Enhanced heat transfer elements used in tube-shell heat exchangers- Part 2：Stainless steel corrugated tubes

SUPERSEDED

Issued on:2012-09-03 | Implemented on:2013-01-01

GB/T 28713.1-2012 in English

Enhanced heat transfer elements used in tube-shell heat exchangers -Part 1：Threaded tubes

SUPERSEDED

Issued on:2012-09-03 | Implemented on:2013-01-01

GB/T 17456.1-2009 in English

Ductile iron pipes—External zinc-based coating—Part 1:Metallic zinc with finishing layer

SUPERSEDED

Issued on:2009-09-30 | Implemented on:2010-05-01