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Material
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