supply of quenching oil , quenching oil 1.the quenching oil shall confirm to is: 2664-1980 (additive type) 2.th e oil shall be suitable for hardening and quenching of medium carbon steel as well as high carbon stee l components. 3. the quenching medium shall be capable of producing hardness in the range of 58-62 hrc on components. 4. the oil shall be clean, homogeneous, and free from sludge, suspended matter, foreign particles, dirt and water contamination. 5. the quenching oil shall have low tendency for scalin g formation on the surface of components. 6.the oil shall be non-corresive to ferrous metals and shall not produce excessive smoke, fumes, or unpleasant odor during operation. 7.the oil shall provide unif orm and crack free hardening with minimum distoration of components during quenching. 8.the flash point of the oil shall be adequately high for safe operation under normal heat treatment shop conditio ns. 9.the supplied material shall be in original sealed containers properly marked with: name of manu facturer, batch no., date of manufacture, shelf life/expiry date, net quantity, relevant specification de ails. nil nil spec:is: 2664-1980 (additive type) [ warranty period: 30 months after the date of deliv ery ] ]