As per S. Srinivasan and S.Ranganathan "India's Legendary Wootz Steel: An Advanced Material of the Ancient World", Indian export of wootz ingots to Persia amounted to "tens of thousands per year". Taking into account that each ingot was sufficient for 2 long blades ( OK, let's be conservative: 1 at a minimum) that must have covered the entire Persian production of wootz blades and left quite a lot for resale for a very hefty profit.
Also, I am not aware of any evidence of wootz production in Khorasan, Isfaghan etc. Where does this info come from?
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