GB/T 3422-2008Cast-iron pressure pipe made by continuous casting process (English PDF)

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.