GB/T 14291-2006 (English Version) PDF

Standard No.: GB/T 14291-2006
Language: Chinese, Available in English version
Release Date: 2006
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status: Be replaced 2017-07
Replace By: GB/T 14291-2016
Latest: GB/T 14291-2016
Replace: GB/T 14291-1993

Scope: This standard specifies the size, shape, weight, technical requirements, test methods, inspection rules, packaging, marks and quality certificates of electric welded steel pipes for mine fluid transportation. This standard is applicable to straight seam electric welded steel pipes for mine compressed air, drainage, gas drainage and slurry transportation.

GB/T 14291-2006 Referenced Document

GB/T 222 Permissible tolerances for chemical composition of steel products
GB/T 223.10 Methods for chemical analysis of iron,steel and alloy The cupferron separation-chrome azurol S photometric method for the determination of aluminium content
GB/T 223.12 Methods for chemical analysis of iron,steel and alloy--The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content
GB/T 223.14 Methods for chemical analysis of iron,steel and alloy The N-benzoy-N-phenylhydroxylamine extraction photometric method for the determination of vanadium content
GB/T 223.5 Steel and iron.Determination of acid-soluble silicon and total silicon content.Reduced molybdosilicate spectrophotometric method*， 2008-08-19 Update