P/T 91 is CrMov steel
It should have Vanadium and it is a precipitation hardening elements.
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KG.PANDITHAN, BE, IWE, CSWIP 3.1,
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On Mon, Dec 19, 2022 at 8:43 AM Vishwas Keskar Welding Manager WELDING <vvkeskar123@gmail.com> wrote:
What is the % Vanadium in that MTC ?It is trace elements not a deliberate addition for Gr 22 unlike Gr 91 where it it MUST in Gr 91RegardsVishwas IWEInternational Welding Engineer--On Saturday, December 17, 2022 at 8:47:13 PM UTC+5:30 mithlesh kumar wrote:Kindly read WP22 instead of P91On Saturday, December 17, 2022 at 8:15:23 PM UTC+5:30 mithlesh kumar wrote:Dear team,I have observed vanadium in heat analysis of p91 MTC , but as per code vanadium is not showing in chemical composition table. Suggest is it acceptable or not if acceptable code reference please.
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