GB 18248-2008: [GB/T 18248-2008] Seamless steel tubes for gas cylinder

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Scope

This standard specified the size, shape, weight, technical requirements, test methods,
inspection rules, packaging, marking and quality certification of seamless steel tubes for
gas cylinder and energy accumulator shell.
This standard applies to seamless steel tubes for manufacturing gas cylinder and energy
accumulator shell.
2  Normative References
The articles contained in the following documents have become part of this standard when
they are quoted herein. For the dated documents so quoted, all the modifications
(excluding corrections) or revisions made thereafter shall not be applicable to this
standard. For the undated documents so quoted, the latest editions shall be applicable to
this standard.
GB/T 222 Permissible tolerances for chemical composition of steel products
GB/T 223.5 Steel and iron — Determination of acid-soluble silicon and total silicon
content - Reduced molybdosilicate spectrophotometric method
GB/T 223.11 Iron steel and alloy — Determination of chromium content — Visual
titration or potentiometric titration method
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 223.17 Methods for chemical analysis of iron steel and alloy. The
diantipyrylmethane photometric method for the determination of titanium content
GB/T 223.19 Methods for chemical analysis of iron steel and alloy. The
neocuproine-chloroform extraction photometric method for the determination of copper
content
GB/T 223.24 Methods for chemical analysis of iron, steel and alloy. The extraction
separation — The dimethylglyoxime spectrophotometric method for the determination
of nickel content
GB/T 223.26 Iron steel and alloy — Determination of molybdenum content — The
thiocyanate spectrophotometric method
GB/T 223.30 Methods for chemical analysis of iron, steel and alloy. The arsenazo Ⅲ
spectrophotometric method for the determination of zirconium content after separation
by p-bromomandelic acid
GB/T 223.40 Iron steel and alloy — Determination of niobium content by the
sulphochlorophenol S spectrophotometric method
GB/T 223.53 Methods for chemical analysis of iron, steel and alloy. The flame atomic
absorption spectrophotometric method for the determination of copper content
GB/T 223.54 Methods for chemical analysis of iron, steel and alloy. The flame atomic
absorption spectrophotometric method for the determination of nickel content
GB/T 223.59 Iron steel and alloy — Determination of phosphorus content — Bismuth
phosphomolybdate blue spectrophotometric method and antimony phosphomolybdate
blue spectrophotometric method
GB/T 223.60 Methods for chemical analysis of iron, steel and alloy. The perchloric acid
dehydration gravimetric method for the determination of silicon content
GB/T 223.62 Methods for chemical analysis of iron, steel and alloy. The butyl acetate
extraction photometric method for the determination of phosphorus content
GB/T 223.63 Methods for chemical analysis of iron, steel and alloy. The sodium
(potassium) periodate photometric method for the determination of manganese content
GB/T 223.64 Iron steel and alloyed - Determination of manganese content — Flame
atomic absorption spectrometric method
GB/T 223.68 Methods for chemical analysis of iron, steel and alloy. The potassium
iodate titration method after combustion in the pipe furnace for the determination of
sulfur content
GB/T 223.69 Iron steel and alloy — Determination of carbon contents —
Gas-volumetric method after combustion in the pipe furnace
GB/T 223.76 Methods for chemical analysis of iron, steel and alloy The flame atomic
absorption spectrometric method for the determination of vanadium content
GB/T 223.78 Methods for chemical analysis of iron, steel and alloy-Curcumin
spectrophotometric method for the determination of boron content
GB/T 228-2002 Metallic materials — Tensile testing at ambient temperature (eqv ISO
6892.1998)
GB/T 229-1994 Metallic materials — Charpy notch impact test (eqv ISO 148.1983 and ISO
83.1976)
GB/T 241-2007 Metal materials — Tube — Hydrostatic pressure test
GB/T 2102-2006 Acceptance packing marking and quality certification of steel pipe
GB/T 2975-1998 Steel and steel products — Location and preparation of test pieces for
mechanical testing (eqv ISO 377.1997)
GB/T 4336-2002 STANDARD test method for spark discharge atomic emission
spectrometric analysis of carbon and low-alloy steel (routine method)
GB/T 5777-1996 Seamless steel pipe and tubing-Methods for ultrasonic testing (eqv
ISO 9303.1989)
GB/T 7735-2004 Steel tubes — The inspection method on eddy current test (ISO
9304.1989,MOD)
GB/T 10561-2005 Steel — Determination of content of nonmetallic inclusions —
Micrographic method using standards diagrams (ISO 4967.1998,IDT)
GB/T 12606-1999 Steel tubes — The testing method of magnetic flux leakage (eqv ISO
9402.1989 ISO 9598. 1989)
GB/T 17395 Dimensions shape masses and tolerances of seamless steel tubes (GB/T
17395-2008, ISO 1127.1992, ISO 4200.1991, ISO 5252.1991,NEQ)
GB/T 20066 Steel and iron Sampling and preparation of samples for the determination
of chemical composition (GB/T 20066-2006, ISO 14284.1996,IDT)
GB/T 20123 Steel and iron — Determination of total carbon and sulfur content Infrared
absorption method after combustion in an induction furnace (routine method) (GB/T
20123-2006, ISO 15350.2000, IDT)
GB/T 20125 Low-alloy steel — Determination of multi-element contents - Inductively
coupled plasma atomic emission spectrometric method
GB/T 20126 Unalloyed steel — Determination of low carbon content — Part 2. Infrared
absorption method after combustion in an induction ...

Basic Data

Standard ID	GB 18248-2008 (GB18248-2008)
Description (Translated English)	[GB/T 18248-2008] Seamless steel tubes for gas cylinder
Sector / Industry	National Standard
Classification of Chinese Standard	H48
Classification of International Standard	77.140.75
Word Count Estimation	12,137
Date of Issue	2008-12-23
Date of Implementation	2009-12-01
Older Standard (superseded by this standard)	GB 18248-2000
Quoted Standard	GB/T 222; GB/T 223.5; GB/T 223.11; GB/T 223.12; GB/T 223.14; GB/T 223.17; GB/T 223.19; GB/T 223.24; GB/T 223.26; GB/T 223.30; GB/T 223.40; GB/T 223.53; GB/T 223.54; GB/T 223.59; GB/T 223.60; GB/T 223.62; GB/T 223.63; GB/T 223.64; GB/T 223.68; GB/T 223.69; GB/T 223.76; GB/T 223.78; GB/T 228-2002; GB/T 229-1994; GB/T 241-2007; GB/T 2102-2006; GB/T 2975-1998; GB/T 4336-2002; GB/T 5777-1996; GB/T 7735-2004; GB/T 10561-2005; GB/T 12606-1999; GB/T 17395; GB/T 20066; GB/T 20123; GB/T 20125; GB/T 20126
Regulation (derived from)	Announcement of Newly Approved National Standards No. 21 of 2008 (No. 134 overall)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This Chinese standard specifies the cylinders and accumulator shell with seam pipe size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certification. This standard applies to the manufacture of cylinders and accumulator shell with pipe joints.