AWS D8.7 : 88(R1994)

Personnel
Foreword
1 Scope
2 Definitions for automotive spot welding
2.1 Contact overlap
2.2 End weld
2.3 Fit-up
2.4 Minimum welds
2.5 Set-up weld diameter
3 Introduction
4 General
4.1 Material limitations
4.2 Coating limitations
4.3 Surface conditions
4.4 Contact overlap and spot weld spacing
4.5 Part fit-up
5 Structural classifications
5.1 Critical locations
5.2 Federal safety locations
5.3 Normal or ordinary locations
6 Spot weld requirements
6.1 Satisfactory welds
6.2 Substandard welds
6.3 Tolerances
6.4 Weld surface finishes
7 Inspection requirements
7.1 Visual requirements
7.2 Destructive testing
7.3 Peel test
7.4 Chisel test
7.5 Safety
7.6 Laboratory examination
8 Disposition of substandard products
Tables
1 Minimum spot weld spacing and contact overlap for
     automotive resistance spot welding
2 Minimum weld diameter for automotive resistance
     spot welds
Figures
1 Measurement of a weld button resulting from the
     Peel test
2 Spot weld chisel test

Defines structural classifications and establishes minimum acceptable quality levels for welds in each. It covers only bare and coated low carbon steels of less than 40 ksi (276 MPa) yield strength and is intended to be applied only under static conditions encountered during manufacturing.