Standard No.:	SH 3406-1996
English Name:	Steel Pipe Flanges for Petrochemical Industry
Chinese Name:	石油化工钢制管法兰
Chinese Classification:	E98    Oil and gas gathering and transportation equipment
Professional Classification:	SH    Professional Standard - Petrochemical
Issued by:	China Petroleum & Chemical Corporation
Issued on:	25-Nov-96
Implemented on:	1997-7-1
Status:	superseded
Superseded by:	SH/T 3406-2013 Steel pipe flanges in petrochemical industry [Quasi-Official / Academic version - scanned PDF, translated by Standard Committee / Research Institute in China]
Superseded on:	2014-3-1
Abolished on:	2014-03-01
Superseding:	SHJ 406-1992
Language:	English
File Format:	PDF
Word Count:	13000 words
Price(USD):	260.00
Delivery:	via email in 1 business day

1 Application Scope

This standard is applicable to the flanges and blank flanges for the steel pipelines in the piping engineering of petrochemical enterprises.

2 Normative References

GB 711 Hot-rolled Quality Carbon Structural Steel Plates and Wide Strips

GB 3274 Hot-rolled plates and strips of carbon structural steels and high strength low alloy structural steels

GB 3531 Low alloy steel plates for low temperature pressure vessels

GB 4237 Hot Rolled Stainless Steel Sheets and Plates

GB 7306 Pipe Threads Sealed by Thread

JB 4726 Carbon and low - alloy steel forgings for pressure vessels

JB 4727 Low - alloy steel forgings for low temperature pressure vessels

JB 4728 Stainless Steel Forgings for Pressure Vessels

SH 3405 Series of steel pipe size for petrochemical enterprise

Contents
1 Application Scope
2 Normative References
3 General Requirements
4 Flange Structure and Dimension
5 Flange Pressure - Temperature Parameter
6 Technical Specification
7 Marking and Packaging
Appendix A Calculation Method for the Length of Fastening Pieces
Additional Explanation: