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ASTM A268/A268M-2020
Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
Material Designation Chemical Composition (%)
A268 TP405 (S40500)
Min
Max
A268 TP410 (S41000)
Min
Max
A268 TP429 (S42900)
Min
Max
A268 TP430 (S43000)
Min
Max
A268 TP443 (S44300)
Min
Max
A268 TP446-1 (S44600)
Min
Max
A268 TP446-2 (S44600)
Min
Max
(S40800)
Min
Max
A268 TP409 (S40900)
Min
Max
A268 TP439 (S43035)
Min
Max
(S43932)
Min
Max
(S41500)
Min
Max
A268 TP430 Ti (S43036)
Min
Max
A268 TP XM-27 (S44627)
Min
Max
A268 TP XM-33 (S44626)
Min
Max
18Cr2Mo (S44400)
Min
Max
A268 29-4 (S44700)
Min
Max
A268 29-4-2 (S44800)
Min
Max
A268 26-3-3 (S44660)
Min
Max
A268 25-4-4 (S44635)
Min
Max
(S44735)
Min
Max
(S32803)
Min
Max
(S40977)
Min
Max
(S43940)
Min
Max
(S42035)
Min
Max
A268 TP468 (S46800)
Min
Max
For Reference Only