GB 9948-2006 (English Version) PDF

Standard No.: GB 9948-2006
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 2014-07
Replace By: GB 9948-2013; GB/T 9948-2013
Latest: GB 9948-2013; GB/T 9948-2013
Replace: GB 9948-1988

Scope: This standard specifies the classification, code, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marks and quality certificates of petroleum cracking seamless steel pipes. This standard is applicable to seamless steel pipes for furnace tubes, heat exchanger tubes and pressure pipes used in petrochemical industry.

GB 9948-2006 Referenced Document

GB/T 222 Permissible tolerances for chemical composition of steel products
GB/T 223.11 Determination of chromium content in iron, steel and alloy by visual titration or potentiometric titration*， 2009-05-01 Update
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 223.3 Methods for chemical analysis of iron, steel and alloy--The diantipyrylmethane phosphomolybdate gravimetric method for the determination of phosphorus 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