JIS G 0321 PDF

Find the most up-to-date version of JIS G at Engineering JIS G Product analysis and its tolerance for wrought steel (Foreign Standard). Available for Subscriptions. Content Provider Japanese Industrial. JIS-G › Historical Revision Information Product analysis and its tolerance for wrought steel. JIS-G – EDITION – SUPERSEDED Show Complete.

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Scope This Japanese Industrial Standard specifies the stainless steel sanitary pipes Hereafter referred to as “pipes” used for the dairy, food industry, etc.

JIS G 0321:2017

The purchaser may specify the special quality specified in Annex 1 in addition to items specified in the main text subjected to a previous agreement between the purchaser and the manufacturer. Requirements Z6 corrosion tests. Grade and symbol Pipes shall be classified into four grades, and their symbol shall be as given is Table 1.

Annex 2 was based on ISO which corresponds to this Standard, and may be applied instead of jks provisions of the main text in this Standard.

JIS (英訳版) JIS G 0001~

Grade and symbol Pipes shall be classified into four grades, and their symbols shall be as given in Table 1. When the product analysis is requested by the purchaser, an for the tolerances for the abovementioned values, Table 4 given in JIS G shall be applied. Method of manufacture The method ji manufacturing pipes shall be as follows. Chemical composition Pipes shall be tested in accordance with When the jos analysis is requested by the purchaser, as for the tolerances for the abovementioned values, Table 4 given in JIS G shall be applied.


These tests shall be conducted when requested by the purchaser. When a tensile test piece is sampled from a welded steel pipe, No. Hydraulic of pneumatic test characteristic, of nondestructive examination characteristic Pipes shall be tested in accordance with Preference shall be left to the designation by the purchaser of the discretion of the manufacturer.

Surface finish Pipes shall be finished, as a rule, iis abrasive grain size polishing on both inner and outer faces.

However, the purchaser can designate the surface to be finished and the finished conditions. Dimensions and dimensional tolerances jia. Dimensions Outside diameter mm Tolerances on outside diameter and thickness Unit: The method for measurement of the outside diameter shall be based on the measurement of the circumference. In this case, the outside diameter shall be obtained by dividing the circumference by 3.

Appearance The appearance shall be as follows. However, an appropriate nondestructive examination other iis those given in Making Pipes having passed the inspection shall be marked with the following items on each package or bundle.

The order of markings are not specified. A part thereof may be omitted as approved by the purchaser. Report The manufacturer shall generally submit to the purchaser f detailed report describing the test results, method of manufacture, ordered dimensions, quantity, working number with which the manufacturing process can be traced, and the like.


Special quality requirements These special quality requirements shall be applied when requested by the purchaser and be executed on the designated items by the manufacturer.

Annex 1 Table 1. Annex 1 Table 2. Annex 1 Table 3.


Annex 1 Table 4. Stainless steel js for the food industry Preface This Annex2 was based on ISO Stainless steel tubes for food industry which corresponds on this Standard Gwithout remarkable modifications of the technical contents and rules for the drafting and presentation of the standard.

Scope This Annex 2 specifies the dimensions, tolerances, surface roughness, materials and hygienic requirements for seamless of welded stainless steel pipes in straight lengths for the food industry. All standards are subject to revision, and parties to agreements based on this International standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. Dimensions The jie given in Annex 2Table 1 have been extracted from the outside diameters of series 1 and 2 in ISO Dimensions tolerances Tolerances on js diameter and thickness shall be as given in 4.

For outside diameters grater than Surface roughness The surface roughness, in accordance with the specifications of ISOshall be as follows.

Wrought seamless tubes 3 ISO