JIS G3452 Carbon steel pipes for ordinary piping

JIS G3452 Carbon steel pipes for ordinary piping.

1.Scope

This Japanese Industrial Standard specifies the carbon steel pipes, hereinafter referred to as the“pipes”, used for the piping for conveying steam, water, oil, gas, air, etc. At comparatively low working pressures.

Remark: The units and numerical values given in { } in this Standard are based on the International System of Units (SI) and are appended for informative reference.

Further, the traditional units accompanied by numerical values in this Standard shall be converted to the SI units and numerical values on Jan. 1st, 1991.

2.Grade and Designation

The pipe shall be classified into one grade and its letter symbol shall be as given in Table 1, and subdivided into black pipes and galvanized ones according to nonexistence of existence of zinc-coated layers.

Table 1. Letter Symbol of Grade

Letter symbol of grade	Division	Remark
SGP	Black pipe	Pipe without zinc coating
SGP	Galvanized pipe	Pipe with zinc coating

Remark: Where it is necessary to identify the galvanized pipe by the letter symbol on the drawing and other documents, “-ZN” shall be suffixed to the letter symbol of the grade. This notation, however, shall not be applied to the product itself.

World standard comparative table

KS		ASTM		JIS		API		DIN		BS
Grade No	GRADE	Grade No	GRADE	Grade No	GRADE	Grade No	GRADE	Grade No	GRADE	Grade No	GRADE
D3507	SPP	A53	Type F	G3452	SGP	5L	A25-1 A25-2 CI CI	2440 2441	St33-2 St33-2	1387 3601	BW320

3. Chemical composition.

The pipe shall be subjected to the test of 10.1 and the resulting ladle analysis values shall be as given in Table 2.

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