1、 WORLDWIDE FASTENER STANDARDNo technical change 2004 02 01WA 960 Material and Performance Requirements of Weld Bolts 1. SCOPE This specification covers the material and performance requirements of ISO metric coarse threaded weld bolts M4 to M12 inclusive. 2. REFERENCES ISO 898/1 Mechanical propertie
2、s of fasteners - Bolts, screws and studs WA 950 Material Requirements and Mechanical Properties of Bolts, Studs, and Bolt & Washer Assemblies. WSB-M1A250-C3 Steel, sheet, zinc, zinc/iron and zinc alloy coated. WSD-M1A283-B1 to B49 Steel, cross reference for standard parts. 3. MATERIAL All weld bolts
3、 shall be steel in accordance with WSD-M1A283-B1 through B6, B29, B30, B47, B48, or B49. 4. PERFORMANCE For initial sample approval and for referee purposes in cases of dispute the following performance tests shall apply. 4.1 Proof load After welding the bolt shall meet the Proof Load test in ISO 89
4、8/1 for the property class specified. 4.2 Weld Integrity After detaching the weld bolt from the test panel, defined in Clause 5, by any method (i.e., pull-off, push-off, peel-off, chisel-off), the weld area shall show that the detached bolt has pulled a slug of the test plate material out of the test plate at all weld projection points. 5. TEST PANEL The test panel shall be zinc coated steel in accordance with WSB-M1A250-C3 Grade 98G98G-HD. The panel thickness shall be 1.5mm minimum. Printed copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC. Page 1 of 1
