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Wc6 vs Wc7 globe valves?

Wc6 vs Wc7 globe valves?

Wc6 vs Wc7 globe valves?

(OP)
Hello, can someone give me a clear understanding of WC6 and Wc7 materials, as well has differences in there globe valves?

Thanks so much

RE: Wc6 vs Wc7 globe valves?

Could you possibly mean A217 WC9? as far as I know WC7 does not exist

RE: Wc6 vs Wc7 globe valves?

I am not a mechanical pig-iron type person.  Still, recall that older globe valve models included WCB as a standard procuct for carbon steel castings; where WCC seems to be the modern standard for carbon steel these days.  Seems like WB6 and WB9 were upgrades - now available as WC6 and WC9.  Short search reflects no WB9. ASTM A 217 addresses pressure -containing stuff for high-temp applications.  As WC6 and WC9 reflect increasing molding and process temperatures etc. the composition differences reflect some a bit in carbon difference, manganese, chromim and molybdenum; and different preheat temps.

Perhaps poke around the UNS numbers you find stuff not reflected in current ASTM or ASME standards.  Perhaps the pig-irone folks could clarify other valid issues more than the WC7 topic.

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