History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c13.s4.29

v1.c13.s4.29

Thus the Indian swords and other war implements were manufactured, by forge welding of a number of ‘Wootz’ steel ingots or skill fully sandwiching the high carbon steel pieces between wrought iron plates to obtain high carbon edge with flexible wrought iron blade. In some cases the whole blade was made from wrought iron and then the sharp edge was given carburizing treatment before hardening.