ASTM A815 Duplex na Super Duplex Station 45 90 ogo eriri afọ
Iji zipu pipeline, ọ dị mkpa iji wepu hose hoce na pipeline. Mgbe ị na-eji ọkpọkọ dị iche iche, a ga-eji pipọtị dị iche iche. Mgbe ejiri ọkpọkọ, a ga-eji ikio mmachi a ga-agbanwe nha nke pipeline. Mgbe ị na-eme mkpọtụ, atọ ahụ na-ejikọ njikọ ọnụ njikọ ahụ na nkwonkwo na-arụ ọrụ na nkwonkwo ahụ, iji ruo ogologo oge ndọtị na-ahụ anya, ogologo ntabi anya na-ejikọ ọnụ nke ọkpọkọ. , N'ime njikọ dị iche iche ngwa, enwerekwa njikọ na plọg nke ngwa.
Nkọwapụta ASTM A815 na-ekpuchi klaasị abụọ, WP na Cr, nke WROCT FARRICE, Ferritic \ / \ / \ martenitic nchara nchara na owuwu. A na-agabiga fittings class na subclasses anọ: klas wp-s, wp-w, wp-wx, na wp-wo. Ihe maka fittings ga-agbaghara, ogwe, efere ma ọ bụ nke enweghị isi ngwaahịa.
Industlọ ọrụ Tel toro na afọ ole na ole gara aga na enwere ọtụtụ ngwaahịa dị n'ahịa. ASTM A815 na-agaghị akwụ ụgwọ s32750 pipe dị otu n'ime ngwaahịa ndị ahụ ma dị n'ọtụtụ nha, akpụ akpụ, na akụkụ dị iche iche. ASTM A815 na-enweghị ike s32760 na-enweghị atụ na-eguzogide corrosion ma kwuo na ka ị nwee ike ịgbadorddọ aka zuru oke. Super Super Duplex s32750 Beetweld Fittings na-eguzogide na-eguzogide na corrosion na ike ọgwụgwụ. Ha nwere microSre microsed nke 50% Austheretic na 50% ferrite.