Iji meziwanye arụmọrụ nke ebe a na-emegharị emegharị ahụ, enwere ike ịmepụta ọnọdụ nke ọma ka ọ bụrụ 62166, ya bụ, supercrarical okpomọkụ. United States bu ụzọ mepụtara ASTM A335 P92 p92 nchara na ngwụsị afọ 1980 iji zute usoro iguzogide ọkụ ọkụ a dị elu. Allay steel p92 bụ ụdị dị mma nke ASTM AUSTM AE31 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 alley na-eme ihe na-eme ka ọdịnaya dị mma na Ferrite \ /kọstite na-eji nlezianya na-achịkwa Boron na nitrogen ọdịnaya
Pịnye pịnye nkịtị
Tum tum tum
Achịcha
Welded tube
Hụrụ Lsaw EFW
Akwụsị Ọgwụ, Ọgwụgwụ Laut "
Odi Odi: 1 \ / 2 "~ 48" "
Ọkpụrụkpụ: Sch5 ~ Schxxs
Ogologo: dị ka ọ chọrọ. "
Usoro na-emepụta usoro na-enwu ọkụ \ / ọrụ na-ekpo ọkụ, oyi mpịakọta
Na-emepụta ọkọlọtọ ASME B36.10 asme B36.19
Akụrụngwa nchara ASTM A333 Grade 3, klas nke 6, klas nke asatọ
ASTM A335 P5, P9, P11, P12, P22, P91, P143