DIN EN ISO 14373-2015 Resistance welding - Procedure for spot welding of uncoated and coated low carbon steels (ISO 14373 2015) German version EN ISO 14373 2015《电阻焊 无涂层低碳钢及镀层低碳钢点焊程.pdf

1、June 2015Translation by DIN-Sprachendienst.English price group 12No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 25

2、.160.10!%CI0,4 0,6 4 0,9 to 1,1 5 to 7 4 to 6 1,3 to 1,8 4 to 5 5 to 80,6 0,8 4 1,2 to 1,3 7 to 10 5 to 7 1,7 to 2,0 6 to 8 6 to 90,8 1,0 5 1,4 to 1,5 9 to 12 6 to 8 1,9 to 2,6 7 to 10 7 to 101,0 1,2 5 1,6 to 1,8 11 to 15 7 to 9 2,5 to 3,2 8 to 12 8 to 121,2 1,6 6 1,9 to 2,1 14 to 18 8 to 11 3,0 to

3、4,0 9 to 13 10 to 131,6 2,0 7 2,6 to 2,9 18 to 22 9 to 13 3,9 to 5,2 10 to 14 12 to 152,0 2,5 8 3,4 to 3,7 22 to 28 10 to 15 5,0 to 6,2 12 to 16 14 to 182,5 3,0 9 4,4 to 4,7 28 to 35 12 to 17 6,0 to 7,5 15 to 20 17 to 20a1 cycle = 20 ms.16DIN EN ISO 14373:2015-06 EN ISO 14373:2015 (E) Table B.2 Guid

4、elines for spot welding conditions for zinc coated steels of thickness 0,4 mm to 3,0 mmSingle sheet thicknessElectrode tip diameterWelding parametersHot-dip zincaElectrolytically deposited zincbElectrode forceWeld timeWelding currentElectrode forceWeld timeWelding currentmm mm mm kN cyclesckA kN cyc

5、lesckA0,4 0,6 4 1,5 to 2,0 6 to 8 7 to 9 1,5 to 2,0 6 to 8 6 to 80,6 0,8 4 1,9 to 2,0 8 to 10 8 to 10 1,9 to 2,2 8 to 10 7 to 90,8 1,0 5 2,2 to 2,9 9 to 12 9 to 11 2,2 to 2,9 9 to 12 8 to 101,0 1,2 5 2,8 to 3,6 10 to 13 10 to 13 2,8 to 3,6 10 to 13 9 to 131,2 1,6 6 3,4 to 4,5 11 to 15 14 to 16 3,4 t

6、o 4,5 11 to 15 12 to 151,6 2,0 7 4,4 to 5,5 12 to 16 18 to 21 4,4 to 5,5 12 to 16 14 to 172,0 2,5 8 5,4 to 6,8 14 to 18 22 to 26 5,4 to 6,8 14 to 18 17 to 222,5 3,0 9 6,6 to 8,0 17 to 21 26 to 30 6,6 to 8,0 17 to 21 19 to 24aApplicable for coating thicknesses G275 ( 20 m single side).bApplicable for

7、 coating thicknesses 7 m single side.c1 cycle = 20 ms.Table B.3 Guidelines for spot welding of double sided iron zinc alloy and zinc nickel alloy coated steels of sheet thickness 0,4 mm to 3,0 mmSingle sheet thicknessElectrode tipdiameterWelding parametersElectrode force Weld time Welding currentmm

8、mm mm kN cyclesakA0,4 0,6 4 1,4 to 1,9 4 to 6 6,0 to 8,50,6 0,8 4 1,8 to 2,1 6 to 8 7,0 to 9,50,8 1,0 5 2,1 to 2,8 7 to 10 8,0 to 10,51,0 1,2 5 2,7 to 3,4 8 to 12 9,0 to 121,2 1,6 6 3,2 to 4,3 9 to 13 11,0 to 141,6 2,0 7 4,2 to 5,3 10 to 14 13,0 to 16,52,0 2,5 8 5,2 to 6,5 12 to 16 16,0 to 21,02,5 3

9、,0 9 6,4 to 7,8 15 to 20 18,0 to 23a1 cycle = 20 ms.17DIN EN ISO 14373:2015-06EN ISO 14373:2015 (E)Annex C (informative) Partial list of steel types applicable to this International StandardC.1 Uncoated steelSheet and strip material should comply with the general requirements and chemical compositio

10、n specified in ISO 3574. Hot rolled steel should be in the pickled condition for best results, and should comply with the requirements of ISO 3573, ISO 4950-1, and ISO 4950-2.C.2 Hot-dip zinc or iron-zinc alloy coated steelSeveral types of zinc coatings are available with various steel substrates an

11、d surface treatments. They should comply with the requirements for hot-dip zinc coated and iron-zinc coated (galvannealed) steel coil and cut lengths, in forming and structural grades specified in ISO 3575 and ISO 4998. Coating types and coating mass should comply with these International Standards;

12、 the lower mass zinc coatings and the zinc alloy coatings being the most readily weldable.C.3 Electrolytic zinc coated steelElectrolytic zinc coated steel should be produced by electrolytic deposition of pure zinc onto low carbon steel. The maximum coating thickness should be 15 m nominal ( coating

13、mass of 107 g/m2) on each surface, and should comply with ISO 5002 for the more readily weldable grades.C.4 Electrolytic zinc-nickel or zinc-iron coated steelSuch coatings deposited electrolytically should be limited to a maximum coating thickness of 7 m ( coating mass of 51 g/m2) on each surface.C.

14、5 Aluminium coated steelAluminium coated steel produced by the hot-dip process, the coating containing 5 % to 11 % silicon, should comply with ISO 5000. Aluminium coated steels may also be produced by a roll bonding technique. Coating mass of up to 150 g/m2nominal, including both surfaces, is consid

15、ered the most readily weldable.C.6 Zinc(50-55 %) aluminium coated steelZinc(50-55) % aluminium coated steel produced by the hot-dip process, with a maximum coating mass of 185 g/m2, including both surfaces for the more readily weldable grades, should comply with ISO 9364. Heavier coating thicknesses

16、 can be welded, provided that suitable welding conditions are used.C.7 Zinc5 % aluminium coated steelZinc5 % aluminium coated steel should be produced by the hot-dip process. The maximum coating mass should be 180 g/m2, including both surfaces for the more readily weldable grades.18DIN EN ISO 14373:

17、2015-06 EN ISO 14373:2015 (E) Bibliography1 ISO 669, Resistance welding Resistance welding equipment Mechanical and electrical requirements2 ISO 3573, Hot-rolled carbon steel sheet of commercial and drawing qualities3 ISO 3574, Cold-reduced carbon steel sheet of commercial and drawing qualities4 ISO

18、 3575, Continuous hot-dip zinc-coated carbon steel sheet of commercial and drawing qualities5 ISO 4950-1, High yield strength flat steel products Part 1: General requirements6 ISO 4950-2, High yield strength flat steel products Part 2: Products supplied in the normalized or controlled rolled conditi

19、on7 ISO 4998, Continuous hot-dip zinc-coated and zinc-iron alloy-coated carbon steel sheet of structural quality8 ISO 5000, Continuous hot-dip aluminium-silicon-coated cold-reduced carbon steel sheet of commercial and drawing qualities9 ISO 5002, Hot-rolled and cold-reduced electrolytic zinc-coated

20、carbon steel sheet of commercial and drawing qualities10 ISO 5184, Straight resistance spot welding electrodes11 ISO 5821, Resistance welding Spot welding electrode caps12 ISO 5830, Resistance spot welding Male electrode caps13 ISO 9364, Continuous hot-dip 55 % aluminium/zinc alloy-coated steel sheet of commercial, drawing and structural qualities14 ISO 14329, Resistance welding Destructive tests of welds Failure types and geometric measurements for resistance spot, seam and projection welds19DIN EN ISO 14373:2015-06EN ISO 14373:2015 (E)