JIS G3131 PDF

JIS G Hot-rolled mild steel plates, sheet and strip. SPHC max. max. max. max. min. 27min. 29min. 29min. 29min. 31min. 31min. Drawing. SPHD max. max. max. max. Code of type. Applicable thickness (mm). Applications. JIS G Hot-rolled soft steel sheet/strip. SPHC. or more, but no more than General use. SPHD.

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The shape, dimensions and mass shall conform to the requirements specified in clause 6. Actually when there is elongation factor in the steel as in t3131 case of SPHC steel, there is a difference in yield and tensile strength.

Hot Rolled Steel (HR) – (SPHC、SPHD、SPHE):JIS G3131

Identical in technical contents. The values specified in table 4 shall not be applied to the irregular portions of both ends of the steel strip. In JIS, a part of items are deleted.

Appearance The appearance of the steel sheet and coil shall conform to 6. Analytical test is specified.

Taiwan JIS G Sphc Steel Coils | GOLDIOCEANS INTERNATIONAL CO., LTD.

However, the values in table his shall be applied to those for delivery inspection 1. The tolerance on thickness of the steel sheet which g31311 not manufactured from the steel strip may be agreed between the purchaser and the manufacturer. SPHC Steels are primarily used in pipe and tube manufacturing. Chemical composition of JIS G 7. For steel sheet excluding cut lengths thereof One test piece each for tensile and bend tests shall be taken from each test lot of the same heat where the maximum thickness of the steel sheet is within twice the minimum thickness thereof.

V Justification for the technical deviation and future measures Content The report is specified. The minimum percentage ranges for elongation is from 27 to 31 percent starting from 1. When it is infeasible to allow the centre of the test nis to be at a quarter-width from a side edge, the sampling should be performed as close to the aforementioned position as possible.

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Hot Rolled Steel – JIS G Commercial Hot Rolled SPHC Steels

The value shall be applied to the steel sheet and strip under mm in width. Inspection observed by the purchaser is deleted in JIS. JSA All rights reserved. To minimize this effect, quality HR4 should be specified.

Hot Rolling of Wide St With this respects, the sampling method of specimen shall conform to Class A, jie the number of test pieces and the sampling position shall be as following: In JIS, the number of the standard can be replaced by the symbol of grade.

Attention is drawn to the possibility that some parts of this Standard may conflict with a patent kis, application for a patent after opening to the public, utility model right or application for registration g1331 utility model after opening to the public which have technical properties.

Hot-rolled sheet 3 mm and over is thickness in commonly known as either “sheet” or “plate”.

Shape, dimensions, mass and tolerances The shape, dimensions, mass and their tolerances of the steel v3131 coil shall conform to JIS G With this, respect, tolerances on length for the steel sheet and those on width for the cut edged steel sheet shall, unless otherwise specified, be in accordance with the tolerance A, and tolerances on thickness for the steel sheet and coil shall be as specified in Table 4. Jiw percentage of Carbon C is 0.

Please read article completely. Marking of seven items is specified.

Scope The Japanese Industrial Standard specifies the hot-rolled mild steel plates, sheets and strip hereafter referred to as “steel sheet and coil” intended for general fabrication purposes and drawing. Therefore we cannot say that yield and UTS are close, when steel is not absolutely brittle. Identical Identical 11 Marking Marking of five items is specified. SPHC hot rolled steels coils are also consumed in many cold-rolled and galvanized products, for example CR sheets, GI coils, and color plates etc.

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Steel sheets and strips as rolled shall not be oiled.

However, JIS G This Annex may be applied instead of the requirements specified in 1. The steel sheets which are not bundled shall be marked for each sheet. In the case of bend test, it shall bent without crack on the outside of the bent portion. For the steel sheet and coil under 40 mm in width, measurement shall be made at the mid-width thereof.

A list of modifications with explanations is mis in Annex JA. Inspection observed by the purchaser is specified. The chemical composition shall conform to the requirements specified in clause 4. When the mass of one test lot exceeds 50 t, however, two sets of test piece shall js taken from the lot. Drawing qualities quality HR2 – drawing quality HR3 -deep drawing quality HR4 – deep drawing quality special killed 1. Tolerances on thickness Thickness Width Up to and excl. The portions with continuous sidelines or dotted underlines are the matters in which the content of the corresponding International Standard has been modified.

It is commonly produced in the range of thickness 1.

JIS G 3131-Commercial Hot Rolled SPHC Steels

The roller does not only decrease the thickness of the sheets but also changes the grain structure of the steels. A part of them is presented as given in Informative reference Table 1, accordingly. Carbon and low alloy steels. In JIS there is no description of the inside diameter and the maximum outside diameter of the coil. These are also extensively used in some of the automotive manufacturing, electric products, vehicles, aviation.

Note 1 Hot-Rolled sheet up to but not including 3 mm in thickness is commonly known as “sheet”. Mechanical property tests 6.