Peb pab lub ntiaj teb loj hlob txij li xyoo 1983

1020 S20C 1C22 C22 Q235 20# A3Seamless steel tubes rau lub hom phiaj ua haujlwm

Nqe lus piav qhia luv:

Cov pa roj carbon cov ntsiab lus ntawm 20 steel yog 0.2%, uas yog cov khoom lag luam zoo qis carbon, txias txias, carburizing thiab hardening steel. Cov hlau muaj lub zog qis, zoo toughness, yas thiab weldability. Lub zog tensile yog 253-500mpa thiab elongation yog ≥ 24%. Lub xeev muab khoom yog tsis sov, tawv ≤ 156hbs.


Khoom nthuav dav

Khoom cim npe

Khoom Piav Qhia

Cov pa roj carbon tsawg tsawg-cov ntsiab lus carbon yog tsawg dua 0.25%. Cov pa roj carbon steel hauv cov khoom lag luam roj, roj thiab roj thiab tshaj tawm rau pej xeem nrog tsim qauv qis dua 10MPa-carbon cov ntsiab lus yog nruab nrab ntawm 0.25 thiab 0.60%, xws li 35, 45 steel, thiab lwm yam; cov pa roj carbon steel siab-cov ntsiab lus carbon ntau dua Ib puag ncig 0.60%. Hom hlau no feem ntau tsis siv hauv kev tsim cov kav hlau. Cov pa roj carbon hlau-taw qhia Cov pa roj carbon cov yeeb nkab muaj qee yam ntawm cov pa roj carbon, nrog rau silicon thiab manganese. Tsis muaj lwm cov ntsiab lus sib xyaw. Nco ntsoov tias cov ntsiab lus silicon feem ntau tsis tshaj 0.40%. Txhawm rau kom ntseeg tau cov tshuaj lom neeg muaj pes tsawg leeg thiab cov khoom siv dag zog ntawm cov kav hlau, peb yuav tsum tswj cov ntsiab lus ntawm cov khoom tsis huv xws li leej faj thiab phosphorus qis dua 0.035%. Tsuas yog txoj hauv kev no thiaj tuaj yeem tsim cov raj hlau zoo.

Khoom Parameter

Standerd GB ASTM JIS DIN
Hlau yeeb nkab qib 1020 S20C 1C22 C22 Q235 20# A3
Lengh kub dov (extruded thiab nthuav): 3-12m txias txias (kos): 2-10.5m
Txoj kab uas hla kub dov: 32-756mm/txias txias: 5-200mm
phab ntsa tuab 2.5-100 hli
Kev Pabcuam Ua Haujlwm Txiav lossis raws li tus neeg thov kev thov
Ntim Cov Lus Qhia Tsis ntim khoom /rooj ntoo /ntaub tsis muaj dej
Cov nqe lus ntawm Kev Them Nyiaj T/TL/C.
20 feet ntim muaj qhov ntev Ntev hauv qab 6000mm
40 feet ntim muaj qhov ntev Ntev hauv qab 12000mm
Qauv Kev kuaj dawb tau muab tab sis cov khoom thauj tau them los ntawm tus neeg yuav khoom
Kev txiav txim me me 1 Tuj

Khoom Qhia

Daim Ntawv Thov Khoom

Cov pa roj carbon tsawg tsawg-cov ntsiab lus carbon yog tsawg dua 0.25%. Cov pa roj carbon steel hauv cov khoom lag luam roj, roj thiab roj thiab tshaj tawm rau pej xeem nrog tsim qauv qis dua 10MPa-carbon cov ntsiab lus yog nruab nrab ntawm 0.25 thiab 0.60%, xws li 35, 45 steel, thiab lwm yam; cov pa roj carbon steel siab-cov ntsiab lus carbon ntau dua Ib puag ncig 0.60%. Hom hlau no feem ntau tsis siv hauv kev tsim cov kav hlau. Cov pa roj carbon hlau-taw qhia Cov pa roj carbon cov yeeb nkab muaj qee yam ntawm cov pa roj carbon, nrog rau silicon thiab manganese. Tsis muaj lwm cov ntsiab lus sib xyaw. Nco ntsoov tias cov ntsiab lus silicon feem ntau tsis tshaj 0.40%. Txhawm rau kom ntseeg tau cov tshuaj lom neeg muaj pes tsawg leeg thiab cov khoom siv dag zog ntawm cov kav hlau, peb yuav tsum tswj cov ntsiab lus ntawm cov khoom tsis huv xws li leej faj thiab phosphorus qis dua 0.035%. Tsuas yog txoj hauv kev no thiaj tuaj yeem tsim cov raj hlau zoo.

Zoo

Peb lub tuam txhab muaj cov khoom lag luam coob, tuaj yeem ua tau raws li koj xav tau hauv lub sijhawm.

muab cov ntaub ntawv cuam tshuam nrog lub sijhawm raws li tus neeg siv khoom thov kom ntseeg tau tias muaj ntau thiab zoo ntawm cov khoom.

Relying ntawm lub teb chaws loj tshaj plaws kev lag luam hlau, ib-nres nrog txhua yam khoom koj xav tau kom txuag tau tus nqi rau koj.

Kev Pabcuam Ua Haujlwm

Ua cov kev pabcuam

Cov Txheej Txheem Ntau Lawm


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