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Topic
Welding Industry
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Technical Discussions
/ P9 and P91
By
Jose.s
Date
04-18-2007 19:53
What are P9 and P91 specifications?
Thanks
By
js55
Date
04-18-2007 21:00
P9 is a 9 chrome1 moly alloy steel intended generally for high temp service. P91 is a 9 chrome 1 moly alloy steel with additions of nitrogen, niobium, and vanadium intended for high temp service with additional creep resistance.
Topic
Welding Industry
/
Technical Discussions
/ P9 and P91
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