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ASTM A688/A688M-2018
Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes
Material Designation Chemical Composition (%)
TP 304 (S30400)
Min
Max
TP 316 (S31600)
Min
Max
TP 304L (S30403)
Min
Max
TP 316L (S31603)
Min
Max
TP 316LN (S31653)
Min
Max
TP 304LN (S30453)
Min
Max
TP XM-29 (S24000)
Min
Max
TP 304N (S30451)
Min
Max
TP 316N (S31651)
Min
Max
(N08367)
Min
Max
800 (N08800)
Min
Max
800H (N08810)
Min
Max
(N08811)
Min
Max
(N08926)
Min
Max
(S31254)
Min
Max
(S32654)
Min
Max
For Reference Only