GB/T 3422-2008 English PDF

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GB/T 3422-2008: Cast-iron pressure pipe made by continuous casting process
Status: Valid

GB/T 3422: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 3422-2008	259	Add to Cart	3 days	Cast-iron pressure pipe made by continuous casting process	Valid
GB/T 3422-1982	319	Add to Cart	3 days	Cast-iron pressure pipe made by continuous casting process	Obsolete

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Basic data

Standard ID: GB/T 3422-2008 (GB/T3422-2008)
Description (Translated English): Cast-iron pressure pipe made by continuous casting process
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H48
Classification of International Standard: 77.140.75
Word Count Estimation: 11,197
Date of Issue: 2008-09-11
Date of Implementation: 2009-05-01
Older Standard (superseded by this standard): GB/T 3422-1982
Regulation (derived from): National Standard Approval Announcement 2008 No.16 (Total No.129)
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 standard specifies the classification of continuous cast iron pipe, dimensions, shape, Weight, technical requirements, test methods, inspection rules, signs, packaging and quality certification, transport and storage. This standard applies to transport water and gas used in continuous casting of gray cast iron straight tube (hereinafter referred to as cast iron pipe). Cast iron pipes should refer to the relevant technical requirements of pipeline design and construction specifications.

GB/T 3422-2008: Cast-iron pressure pipe made by continuous casting process

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Cast-iron pressure pipe made by continuous casting process ICS 77.140.75 H48 National Standards of People's Republic of China Replacing GB/T 3422-1982 Continuous cast iron pipe Posted 2008-09-11 2009-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard replaces GB/T 3422-1982 "continuous cast iron pipe," compared with the GB/T 3422-1982 The main changes are as follows. --- Part of the standard terms are defined. --- Mouthpiece Dimensions redesign. --- Test pressure gas pipe has been modified. The standard proposed by China Iron and Steel Association. This standard is under the jurisdiction of the National Steel Standardization Technical Committee. Drafting of this standard. Beijing Shougang Huayu foundry, Harbin pipe factory. The main drafters of this standard. Jia Yanming, Huang Jianmin, Gu Hong, Zhang Long, Zhao Shuming, Wang Bolong. This standard replaces the previous version of the release of case. --- GB/T 3422-1982. Continuous cast iron pipe

1 Scope

This standard specifies the continuous cast iron pipe grade, size, shape, weight, technical requirements, test methods, inspection rules, marking, packaging and quality Amount certificate, transport and storage. This standard applies to transport water and gas used in the continuous casting of gray cast iron straight tube (hereinafter referred to as cast iron pipe). Should refer to the use of cast iron pipe About pipeline design requirements and construction specifications.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. Determination of phosphorus content GB/T 223.61 Methods for chemical analysis of iron, steel and alloy The ammonium phosphomolybdate volumetric method Determination of sulfur content of potassium iodate titration method after GB/T 223.68 Methods for chemical analysis of iron, steel and alloy tube furnace combustion GB/T 231.1 Brinell hardness test - Part 1. Test method (GB/T 231.1-2002, eqv ISO 6506-1. 1999)

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Ends of a mortgagee, or flange socket, hole uniform, linear axis castings. It does not include a disc bearing sleeve tube, intubation tray and so on. 3.2 Tube or pipe fittings convex port. 3.3 Tube or pipe fittings recessed ports, jacks and the next member. 3.4 The junction between the tube and the tube or pipe fittings. 3.5 Line alphanumeric system design of all components, for reference purposes only. It numbers without letters DN behind its constituent units (single Bits mm), and this number is only the physical size of the inner diameter of the end portion concerned. 3.6 It is used to designate the standard values \u200b\u200bset. Under the same nominal pressure (PN) designed for the same nominal diameter (DN) of the member having the same Matching size. 3.7 Member can safely withstand the internal pressure for a long time, does not include the impact pressure. ......

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