1.1 This standard covers the use of oxy-acetylene welding of structu-ral steel work in mild steel of thickness up to and including 6.3 mm.
1.2 This code does not apply to welding of pressure vessels, pipelines and pipe assemblies for fluids under pressure.
1.3 This standard is a supplement to IS : 800-1962* and a complement to IS: 816-1969〓.