This specification covers austenitic stainless steel forgings for boilers, pressure vessels, high temperature parts, and associated equipment. Supplementary requirements are provided for use when additional testing, inspection, or processing is required. In addition, supplementary requirements from Specification A788/A788M may be specified when appropriate. This specification includes the austenitic steel forgings that were a part of Specification A336/A336M.
Grade | Type | UNS Designation |
---|---|---|
F304L |
304L | S30403 |
F304N |
304N | S30451 |
F304LN |
304LN | S30453 |
F309H |
309H | S30909 |
F310 |
310 | S31000 |
F310H |
310H | S31009 |
F316 |
316 | S31600 |
F316H |
316H | S31609 |
F316L |
316L | S31603 |
F316N |
316N | S31651 |
F316LN |
316LN | S31653 |
F321 |
321 | S32100 |
F321H |
321H | S32109 |
F347 |
347 | S34700 |
F347H |
347H | S34709 |
F347LN |
347LN | S34751 |
F348 |
348 | S34800 |
F348H |
348H | S34809 |
FXM-19 |
XM19 | S20910 |
FXM-11 |
XM11 | S21904 |
F46 | - | S30600 |
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