Joaloka moetsi ea ka sehloohong lefapheng lena,Cangzhou Spiral Steel Pipe Group Co., Ltd.ka tieo e khomarela litekanyetso tsa machaba 'me e sebetsa ka ho khetheha tlhahisong ea electrofusion arc weldedliphaephe tsa tšepe tsa seam spirale akaretsang limaraka tse hlano. Mofuta ona oaphala ea tšepe ea ASTMe etselitsoe ka ho khetheha bakeng sa ho tsamaisa metsi, likhase kapa mouoane, ho netefatsa ts'ebetso e bolokehileng le e sebetsang maemong a fapaneng a khatello e phahameng le e rarahaneng.
Matla a k'hamphani a bakoa ke bokhoni ba eona bo boholo ba tlhahiso e tsoetseng pele. Re na le mela e 13 ea tlhahiso ea liphaephe tsa tšepe tse spiral le mela e 4 e thibelang kutu le mehala ea tlhahiso ea mocheso oa mocheso, e khonang ho etsa liphaephe tsa tšepe tsa spiral seam tse nang le bophara bo ka ntle ho tloha ho limilimithara tse 219 ho isa ho tse 3500 le botenya ba lebota ho fihla ho limilimithara tse 25.4.
Lihlahisoa tsa eona tsa mofuta oa "Wuzhou" ha li lumellane le maemo a mangata a machaba a kang API Spec 5L le EN 10219, empa hape li finyella litlhoko tsa litekanyetso tsa bohlokoa tse kang ASTM A139 le ASTM A252 ka botlalo.
Liphaephe tsena tsa tšepe tsa China tse lumellanang le litekanyetso tsa ASTM li na le maemo a pharaletseng a ts'ebeliso. Li 'nile tsa sebelisoa ka katleho mererong ea bohlokoa e kang marang-rang a phepelo ea metsi le tsamaiso ea likhoerekhoere, lipalangoang tsa khase ea tlhaho le oli ea sebaka se selelele, le mekhoa ea liphaephe tsa liphaephe, ho fana ka lipalangoang tse tiileng le tse tšoarellang "lijana tsa mali" bakeng sa kaho ea motheo ea lefats'e.
Ho khetha moetsi ea nang le mangolo a mangolo a mangolo a machaba ke mohato oa pele oa ho netefatsa botšepehi ba nako e telele ba merero ea lipeipi. Sehlopha sa Cangzhou Spiral Steel Pipe Group, ka ho latela melao-motheo ea ASTM ka thata le bokhoni bo matla ba tlhahiso e ikhethileng, se fa bareki tharollo e le 'ngoe ho tloha tlhahiso ho ea ho anti-corrosion.
Bakeng sa tlhaiso-leseling e batsi mabapi le litlhaloso, lintlha tsa setifikeiti le bokhoni ba ho iketsetsa liphaephe tsa rona tsa ASTM tse lumellanang le maemo a holimo, ka kopo ikopanye le sehlopha sa rona sa litsebi bakeng sa lipuisano tse qaqileng tsa tekheniki le mantsoe a qotsitsoeng.
Nako ea poso: Dec-01-2025