Shandong Weichuan Metal Prodducts Co., Ltd.

S355j2h seamless steel pipe moetsi oa tiisetso ea thekiso

Tlhaloso e Khutšoanyane:

S355J2 ke sehlahisoa sa tšepe se tloaelehileng sa Europe se kentsoeng ka mocheso o chesang. Lisebelisoa tse ling letotong le tšoanang, joalo ka s355jo, joalo-joalo.


Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Tlhaloso

S355J2 e tla lumellana le en10025-2:2004 (Tekanyetso ea khale (en10025:1990)

C: ≤0.22; Boemo: ≤0,55; Mong: ≤1,60; P: ≤0.025; S: ≤0.025; Boima: ≤0.55;

-20℃: ≥27.

(Mpa): ≤16mm: ≥355: 16-40: ≥345; 40—63: ≥335; 63—80: ≥325;

80—100: ≥315; 100—150: 295; 150—200: ≥285; 200—250: ≥275; 250—400:≥265.

S355j2h seamless steel pipe manufacturer warranty sales

Ho roala ho chesang, ho roala ho laoloang, ho tloaeleha, joalo-joalo.

S355jo ke sehlahisoa sa tšepe se tloaelehileng sa Europe se chesang se pota-potiloeng.

S355jo e sebelisa standard en10025-2:2004 (Old standard (en10025:1990)
Mocheso o timang oa phala ea tšepe ea mocheso o tlase ke A3 + (30 ~ 50) ℃. Ha e le hantle, moeli o ka holimo o nkoa ka kakaretso. Mocheso o phahameng oa ho tima o ka potlakisa lebelo la ho futhumatsa la phala ea tšepe ea mocheso o tlase, oa fokotsa oxidation ea holim'a metsi le ho ntlafatsa katleho ea mosebetsi. E le ho etsa homogenize ea austenite ea workpiece, ho hlokahala nako e lekaneng ea ho tšoara. Haeba mocheso oa sebele oa sebōpi o le moholo, nako ea ho tšoara e lokela ho atolosoa ka nepo. Ho seng joalo, boima bo sa lekaneng bo ka 'na ba hlaha ka lebaka la ho futhumatsa ho sa tšoaneng. Leha ho le joalo, haeba nako ea ho ts'oara e le telele haholo, ho tla hlaha mefokolo ea lijo-thollo tse mahoashe le decarburization e tebileng ea oxidation, e tla ama boleng ba ho tima. Re lumela hore haeba chelete ea ho tjhaja e le kholo ho feta e boletsoeng litokomaneng tsa ts'ebetso, nako ea ho futhumatsa le ho ts'oara e lokela ho atolosoa ka 1/5.

Hobane ho thatafala ha phala ea tšepe ea mocheso o tlase ho tlase, ho tla sebelisoa 10% ea metsi a letsoai a nang le sekhahla se phahameng sa ho pholisa. Mosebetsi o lokela ho tima ka ho feletseng ka mor'a ho kena ka metsing, empa o se ke oa bata ka ho feletseng. Haeba 45# peipi ea tšepe e nepahetseng e pholile hantle ka metsing a letsoai, sesebelisoa se ka 'na sa phatloha, se bakoang ke phetoho e potlakileng ea austenite ho martensite ha workpiece e pholile hoo e ka bang 180 ℃, e bakang khatello e feteletseng ea sebopeho. Ka hona, ha phala ea tšepe e tingoeng ea mocheso o tlase e pholile ka potlako sebakeng sena sa mocheso, mokhoa oa ho pholisa butle o lokela ho amoheloa. Kaha ho thata ho tseba mocheso oa metsi a tsoang kantle, o tlameha ho sebetsoa ka boiphihlelo. Ha ho sisinyeha ha workpiece ka metsing ho emisa, metsi a tsoang a ka ba moea o pholileng (ho pholile ha oli ho molemo). Ho phaella moo, workpiece e lokela ho tsamaea ho e-na le ho tsitsa ha e kena ka metsing, 'me e etse motsamao o tloaelehileng ho ea ka geometry ea workpiece. Static cooling medium le static workpiece e lebisa ho thatafalloang le khatello ea kelello e sa lekaneng, e bakang ho senyeha ho hoholo esita le ho phunyeha ha workpiece.

Boima bo tingoeng ba phala ea tšepe ea mocheso o tlase e tingoeng le likarolo tse halefileng e lokela ho fihla ho hrc56 ~ 59, mme monyetla oa karolo e kholo o tlase, empa ha oa lokela ho ba tlase ho feta hrc48. Ho seng joalo, ho bolela hore workpiece ha e e-s'o tingoe ka ho feletseng, 'me sebopeho sa sorbite kapa esita le ferrite se ka hlaha mohahong. Sebopeho sena se ntse se bolokiloe ka har'a matrix ka ho futhumatsa, e ke keng ea finyella morero oa ho tima le ho futhumatsa.

Bakeng sa mocheso o phahameng oa mocheso oa mocheso o tlaase oa phala ea tšepe ka mor'a ho tima, mocheso oa mocheso hangata ke 560 ~ 600 ℃, 'me tlhokahalo ea boima ke hrc22 ~ 34. Hobane morero oa ho tima le ho futhumatsa ke ho fumana thepa e feletseng ea mochine, ho thatafala. mefuta e batlang e pharaletse. Leha ho le joalo, haeba setšoantšo se na le litlhoko tsa ho thatafala, mocheso oa mocheso o tla fetoloa ho latela litlhoko tsa ho taka ho netefatsa ho thatafala. Ka mohlala, liphaephe tse ling tsa tšepe tse nang le mocheso o tlaase oa shaft li hloka matla a phahameng le boima bo phahameng; Bakeng sa likere tse ling le likarolo tsa shaft tse nang le keyway, litlhoko tsa boima li tlase hobane li tlameha ho siloa le ho kenngoa ka mor'a ho tima le ho halefa. Nako ea ho tšoara nako e itšetlehile ka litlhoko tsa boima le boholo ba workpiece. Re lumela hore ho thatafala ka mor'a ho futhumatsa ho itšetlehile ka mocheso oa mocheso 'me ha ho amane hakaalo le nako ea mocheso, empa e tlameha ho kenngoa hape. Ka kakaretso, nako ea ho boloka mocheso oa workpiece e feta hora e le 'ngoe.


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