IS 8939 : 1978 Code of practice for use of oxygen in Iron Steel,and non-ferrous metal foundries

1 Scope

1.1 This standard covers methods of use of oxygen in foundry meltingpractices, and quantity and quality (purity) of oxygen required for suchoperations.

2 References

IS 2 : 1960Rules for rounding off numerical values

IS 309 :1974 Specification for compressed oxygen gas