Butt na-agbanye ụdọ na-acha nchara nchara
Nkwụsi ike nke Niobium na-enye ohere ka ejiri ya rụọ ọrụ na gburugburu corrosive na steeti dị na steeti. Ọ na-agbasikwa ike na enyemaka nke iji okpomọkụ ọrụ. Ọ na-enyekwa nrụgide dị mkpa na ịdị ọcha dị ọcha ma mụbaa ụlọ ọrụ. Igwe nchara nchara s31600 na-ezute ma ọ bụ karịa nkwado ụlọ ọrụ pụrụ iche, tinyere ISO, DN, ASTM na ASME na ASME na ASME na ASME na ASME na ASTM na ASME na ASME na ASME na ASME na ASME na ASME na ASME na asta.
Mpempe akwụkwọ nchara & akwa & cils
N'ihi na akwụkwọ igwe mpịa ngwa chọrọ akara niile na-enweghị ike na-enweghị nguzogide nguzogide nguzogide. Dabere na ọdịnaya Chromium 22%, ha nwere obodo ukwu: micronitic nke na-enye ike ka ukwuu, nguzogide na arụmọrụ-arụmọrụ.
Nke a dabara adaba wee bụrụ akụkụ nke usoro maka ibugharị mmiri (mmanụ, ikuku, kemịkal, ...) n'ụzọ dị mma, karịa dị mkpụmkpụ ma ọ bụ dị anya.
A234 PIPE na-agbachi radius nke curvature bụ 1.5 oge dayameta (r = 1.5d). Anyị na-anabatakwa iwu CS niile A234 WPB ruo na gụnyere ogo 90 iji dabara ihe ịchọrọ.
A na-eme nchara nchara 304 na-eme nke 18 \ / 8 chromi-nickel alloy steel. Ihe mejupụtara ihe a nwere 18% Chromium na 8% nickel. Nke a na - eme ka ihe sie ike, jiri obere opekempe nke 215MPa na opekata mpe Tense nke 505MPA.
A na-eji ihe eji eme ihe na-acha uhie uhie na-eme nke ọma maka ike ya iji ike guzogide corrosion, karịsịa corrosion na sọlfọ na ịhazi nri.
Asme B16.49 300 qã · 60 ÃÃ 90 \ / 8 "-12" ọkpụrụkpụ mgbidi: sch5s-schxxs
Igwe anaghị agba nchara ga-enwerịrị opekata mpe iri na ise. Dabere na ọkwa ahụ, ọ nwere ike ịnwe ọkwa chromium dị elu, yana ihe ndị ọzọ na-enye ihe dị ka molybdem, nickel, ọla, nitrogen, phosplous ma ọ bụ selphous ma ọ bụ selenium.