JIS-G-3547-1993-R2004-ENG.pdf

UDC 669.1 41.24-426:669.14.056.96:669.58 JAPANESE INDUSTRIAL STANDARD Zinc-coated low carbon steel wires . JIS G 3547-1993 Translated and Published by Japanese Standards Association Printed in Japan 7s Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:52:56 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S Ga3547 93 4933608 0514887 005 m In the event of any doubt arising, the original Standard in Japanese is to be final authority. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:52:56 MDTNo reproduction or networking permitted without license from IHS -,-,- - _ _ _ _ _ _ _ _ _ J I S G*354ï 93 4933608 0514888 T 4 1 e e e e UDC 669.141.24-426:669.14.056.96:669.58 JAPANESE INDUSTRIAL STANDARD J I S Zinc-coated low carbon steel wires G 3547-1993 1 . Scope This Japanese Industrial Standard specifies zinc-coated low carbon steel wires (hereafter, referred t o as “steel wires“). Remarks: The following standards are cited i n this Standard. J I S G 3505 Low carbon steel w i r e rods JIS H 0401 Methods of test for hot dip galvanized coatings J I S Z 2201 Test pieces for tensile test for metallic materials JIS Z 2241 Method of tensile test for metallic materials 2. Definitions For the main terms used i n this Standard, the following definitions apply. (1) zinc-coated low carbon steel wires ( S ) A steel w i r e of a circular sectional form wherein a wire rod conforming to JIS G 3505 is cold worked and annealed, and then coated with zinc by hot-dipping or electrolyzing. ( 2 ) zinc-coated low carbon steel w i r e s (H) sectional form wherein a w i r e rod conforming t o JIS G 3505 is cold worked, and then coated with zinc by hot-dipping or electrolyzing. A steel w i r e of a circular 3. classified i n zinc-coated low carbon steel wires ( S ) and zinc-coated low carbon steel wires (H), and further subclassified respectively into seven types of classes 1 t o 7 and four types of classes 1 t o 4. applicable w i r e diameters thereof shall be as given i n Table 1 . Wire types, symbols and applicable w i r e diameters Steel w i r e s shall be The symbols and Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:52:56 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S G*3547 93 m 4933608 0534889 984 m 2 G 3547-1993 Table 1 . Wire types, symbols and applicable wire diameters Unit: mm Wire types Symbols Applicable w i r e diameters Zinc-c oat ed carbon steel wires ( S ) low Class 1 SWMGS-1 0.10 or over up t o and incl. 8.00 Class 2 SWMGS-2 0.10 or over up t o and incl. 8.00 Class 3 SWMGS-3 0.90 or over up t o and incl. 8.00 Class 4 SWMGS-4 0.90 or over up t o and incl. 8.00 Class 5 SWMGS-5 1.60 or over up t o and incl. 8.00 Class 6 SWMGS-6 2.60 or over up t o and incl. 6.00 Class 7 SWMGS-7 2.60 or over up t o and incl. 6.00 Zinc-coated low C l a s s 1 SWMGH-1 0.10 or over up t o and incl. 6.00 carbon steel wires (H) Class 2 SWGH-2 0.10 or over up t o and incl. 6.00 Class 3 SWMGH-3 0.90 or over up t o and incl. 8.00 rClass 4 I SWMGH-4 I 0.90 or over up t o and incl. 8.00 4. Mechanical properties The mechanical properties of steel w i r e s shall be as follows. steel wire is zinc coated and then drawn i n accordance with 9. are not specified. However, the mechanical properties i n the case where the 4.1 Tensile strength subjected t o the tests of 10.1 and 10.2, and the resulted values shall be as The tensile strength of steel wires shall be given i n Table 2. 4.2 Elongation When specified by the purchaser, the steel wires of SWMGS-3, SWMGS-4, SWMGS-5, SWMGS-6, and SWMGS-7 shall be subjected t o the tests of 10.1 and 10.2, and the elongation values shall be as given i n Table 2. 4.3 Torsion characteristic For the torsion characteristic of steel wires, when the steel wires are subjected t o the tests of 10.1 and 10.3 and rotated to a number of twisting turns given i n Table 2, the steel wires shall not be ruptured. Table 2 may be used as agreed upon between the purchaser and supplier. However, a number of twisting turns more than those given i n Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:52:56 MDTNo reproduction or networking permitted without license from IHS -,-,- 3 G 3547-1993 h O 8 i Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:52:56 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S G*3547 93 4933608 051489L 536 W 4 G 3547-1993 Remarks 1 . As for the intermediate w i r e diameter, the values of the mechanical property corresponding t o the nearest larger w i r e diameter given i n Table 2 shall be applied. 2. As for the steel w i r e marked with a bar i n Table 2, mechanical properties are not applied. Further, the steel wires with / (a slash) are not specified since no steel wire is produced, 5. Zinc coating characteristics 5.1 Zinc coating mass subjected t o the tests of 10.1 and 10.4, and the resulted values shall be as given i n Table 3. The zinc coating mass of steel wires shall be Table 3. Zinc coating mass Unit: g/m2 a - !fie SWMGS-2 SWMGH-2 SWMGS-3, SWMGH-3 SWMGS-4, SWMGH-4, SWMGS-5 SWMGS-6 SWMGS-7 meter mm 0.10 or - - over to and excl. 0.90 0.90 75 min. 105min. 1.00 1.20 1.40 20min. 20dn. 1.60 1.80 90min. 2.00 25min. 25min. 2.30 120 min. 185 min. 2.60 230 min. 300min. 400min. 2.90 30min. 30min. 135 min. 230min. 260 min. 3.20 270 min. 3.50 35min. 35min. 4.00 155 min. 245 min. 290 min. - - 44.50 40 min. 40min. 5.00 4.5min. 45min. 5.50 50min. 50min. 6.00 6.50 / / / 7.00 7.50 8.00 1 Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:52:56 MDTNo reproduction or networking permitted without license from IHS -,-,- - - - JIS G*3547 93 m 4933608 0534892 472 m 5 G 3547-1993 Remarks 1 . As for the intermediate wire diameter, the values of zinc coating mass corresponding to the nearest smaller wire diameter given in Table 3 shall be applied. 2. As for the steel wire marked with a bar in Table 3, the zinc coating mass are not applied. Further, the steel wires marked with / (a slash) are not specified since no steel wire is produced. 5.2 Winding property For SWMGS-3, SWMGS-4, SWMGS-5,.SWMGS-B, SWMGS-7, and SWMGH-3, SWMGH-4, the steel wires shall be subjected to the tests of 1 0 . 1 and 10.5, and remarkable crack or peeling shall not be generated on the wound part. 6. Preferred wire diameters, tolerances on wire diameter and minimum mass 6.1 Preferred wire diameters For designation of steel wires, a wire diameter shall be expressed in mm, and the preferred diameters shall be as given in Table 4. Table 4. Preferred wire diameters Unit: mm 0.10 0.12 0.14 0.16 0.18 0.20 0.22 0.24 0.26 0.28 0.30 0.32 0.35 0.40 0.45 0.50 0.55 0.62 0.70 0.80 0.90 1.00 1.20 1.40 1.60 1.80 2.00 2.30 2.60 2.90 3.20 3.50 4.00 4.50 5.00 5.50 6.00 6.50 7.00 7.50 8.00 6 . 2 Tolerances on wire diameters Wire diameters shall be measured in accordance with 10.6, and tolerances on wire diameters shall be as given in Table 5. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:52:56 MDTNo reproduction or networking permitted without license from IHS -,-,- _ J I S G*3547 93 4933608 0534893 309 = 6 G 3547-1993 Table 5. Tolerances on w i r e diameters Wire diameter SWMGS-1 S W M G S - 3 SWMGS-2 SWMGS-4 STJMGS-5 0.35 max. +o. 02 -0. o1 Over 0.35 up to and incl. 0.55 - +0.02 Over 0.55 up t o and incl. 0.80 - +0.03 Over 0.80 up t o and incl. 1.20 - +0.04 Over 1.20 up t o and incl. 2.00 - +0.05 - +0.04 - +0.05 Over 2.00 up t o and incl. 3.201 - +0.07 I - +0.07 Over 3.20 up t o and incl. 4.50 +0.08 +0.08 Over 4.50 up t o and incl. 5.00 - +0.10 - +0.10 - - Over 5.00 up t o and incl. 6.00 +0.12 - +0.12 Over 6.00 - Unit: mm SWMGH-3 SWMGH-4 +o. o1 k +o. 02 I - +o. o9 - I +0.06 - +0.10 I - +0.07 - I I Remarks: The steel wires marked with / (a slash) i n Table 6 shall not be specified since no steel wire is produced. 6.3 Minimum mass given i n Table 6 . used as agreed upon between the purchaser and supplier. The minimum m a s s of a single steel w i r e shall be as However, a value other than those given i n Table 6 may be Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:52:56 MDTNo reproduction or networking permitted without license from IHS -,-,- 7 G 3547-1993 Wire diameter mm 0.10 or over up to and incl. 0.26 Table 6. Minimum mass Minimum mass of a single steel wire kg O . 3 Over 0.35 up to and incl. 0.55 Over 0.55 up to and incl. 0.70 Over 0.70 up to and incl. 1.20 Over 1.20 up to and incl. 2.0 Over 0.26 up to and incl. 0.35 I 0 . 5 1 . 5 3 5 (10) Over 2.0 up to and incl. 3.20 Over 3.20 up to and incl. 5.50 (20) (30) Over 5.50 Remarks: Numerical values with a parenthesis are informative reference values. (50) 7. Appearance Steel wires shall be free from corrosion, flaws, cracks, and other harmful defects on the surface of a steel wire. 8. Materials Materials to be used for steel wires shall be wire rods conforming to JIS G 3505. 9. Manufacturing method as follows. The manufacturing method of steel wires shall be (1) For zinc-coated low carbon steel wires (S), after cold working and annealing the materials, the product is uniformly hot-dip zinc coated or electrolytically zinc coated. Steel wires SWMGS-1 and SWMGS-2 of under 0 . 7 mm wire diameter may be manufactured by drawing after zinc coating. (2) For zinc-coated low carbon steel wires (H), after cold working the materials, the product is uniformly hot-dip zinc coated or electrolytically zinc coated. However, if necessary, it may be subjected to intermediate annealing in the cold working process. Further, when specified by the purchaser, the steel wires may be further drawn. 1 0 . Tests 1 0 . 1 Sampling of test piece test, coating mass test, and winding test, one test piece shall be respectively taken from one end of a coil. For the test piece for tensile test, torsion Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:52:56 MDTNo reproduction or networking permitted without license from IHS -,-,- JIS G*3547 73 m L1933608 0514875 1ôi1 m 8 G 3547-1993 10.2 Tensile test The tensile test shall be as follows. (1) No. 9B test piece specified i n 4 . (shape and dimensions of test piece) of JIS Z 2201 shall be used as the test piece. (2) The test method shall be i n accordance with JIS Z 2241. (3) Elongation shall be measured i n accordance with the method for obtaining the elongation after fracture of 6 . The method for obtaining the original sectional area, original gage length, yield point, proof strength, tensile strength, yield elongation, elongation after fracture (elongation), and reduction of area of the test piece parallel part of JIS Z 2241. The original gage length shall be as given i n Table 2. When the test piece is fractured at the grip part i n the tensile test, the said test shall be invalidated, and a test shall be carried out again by further sampling the test piece from the same coil. ( 4 ) When the test piece is fractured outside 1/4 of the gage length from the center between gage marks and the result value does not conform t o the specification i n the tensile test, the said test shall be invalidated and a test shall be carried out again by sampling the test piece further from the same coil. 10.3 Torsion test The torsion test shall be as follows. (1) The test piece which is made about 200 mm t o 300 mm length by straightening by using an appliance or the like shall be used. The surface of the steel w i r e shall not be injured by flaws i n correction. (2) For the torsion test method, both ends of the test piece shall be solidly grasped at a distance specified i n Table 2, and one side grip shall be rotated t o a specific number of turns while it is being strained. (3) When the test piece is fractured at the root of the grip i n the middle of the test and its cause is clearly due t o incoveniences of the test method, the test shall be invalidated, and a test shall be carried out again by further sampling the test piece from the same-coil. 10.4 Coating mass test 3.2 (antimony chloride method) of JIS H 0401. The coating m a s s test shall be i n accordance with 10.5 Winding test (winding test) of JIS H 0401. winding test shall be as given i n Table 7, and the number of winding turns shall be six turns or over. diameter given i n Table 7 may be used as agreed upon between the purchaser and supplier. The winding test shall be i n accordance with 5.4. The diameter of a cylinder t o be used for the However, a cylinder of a diameter less than the Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:52:56 MDTNo reproduction or networking permitted without license from IHS -,-,- . 0.10 or over ti and excl. 0.90 - 0.90 1.00 _._ 9 G 3547-1993 / 3 Table 7. Diameter of cylinder t o be used for winding test 4.00 4.50 5.00 5.50 6.00 6.50 7.00 7. 30 8.00 - . _I - . . I SKMGS-3, SKhlGH-3 Wire dia- meter 4 5 I 1 I 1.20 I - -4 I 1.60 I “ I 2.30 I - 2.60 I 3.20 I '- SWMGS-4, SV31GH-4 _/_ , 4 SWMGS-5 4 5 SWMGS-6 4 5 SWhf GS-7 4 5 7 Remarks 1 . For w i r e diameters which are not given i n Table 7, a diameter of a cylinder of a w i r e diameter less than that given i n Table 7, shall apply. 2. The steel wires marked with / (a slash) i n Table 7 shall - not be specified since no steel w i r e is produced. 10.6 Measurement of wire diameter For measurement of a diameter, the maximum diameter and the minimum diameter on the same section at an arbitrary position shall be measured. 1 1 . Inspection The inspection shall be carried out as follows. (1) The mechanical properties shall