ASTM A500 Welded Steel Tubing rau Kub Exchanger
Khoom siv, Specification, Cov yam ntxwv tseem ceeb (Kev taw qhia ntxaws)
ASTM A500 yog tus qauv kev qhia tshwj xeeb rau cov khoom txias-tsim welded thiab seamless carbon steel structural tubing hauv puag ncig, square, thiab duab plaub. Qhov kev qhia tshwj xeeb no tseem ceeb tshwj xeeb rau cov ntawv thov uas xav tau lub zog siab thiab ua haujlwm ntev, xws li cov khoom siv hluav taws xob. Tubing yog tsim los ua kom tau raws li cov khoom siv tshwj xeeb thiab cov tshuaj lom neeg, ua rau nws tsim nyog rau ntau yam kev lag luam.
Cov yam ntxwv tseem ceeb:
Siab zog: ASTM A500 tubing yog tsim los muab kev sib piv zoo zog-rau-qhov hnyav.
Ntau yam: Muaj nyob rau hauv ntau cov duab thiab qhov ntau thiab tsawg, ua rau nws hloov tau rau ntau daim ntawv thov.
Weldability: Cov khoom siv yog tsim los rau kev sib txuas yooj yim, uas yog qhov tseem ceeb rau kev tsim kho cua sov.
Corrosion Resistance: Nyob ntawm qhov ua tiav thiab txheej txheej, nws tuaj yeem muab kev tiv thaiv zoo rau corrosion.
Tshuaj muaj pes tsawg leeg
Cov tshuaj muaj pes tsawg leeg ntawm ASTM A500 steel tubing yog qhov tseem ceeb rau kev ua kom ntseeg tau tias cov khoom siv kho mob xav tau. Hauv qab no yog ib lub rooj hais txog cov tshuaj muaj pes tsawg leeg:
| Lub ntsiab | Kev sib xyaw (%) |
| Cov pa roj carbon (C) | 0.26 max |
| Manganese (Mn) | 1.35 max |
| Phosphorus (P) | 0.04 max |
| Sulfur (S) | 0.05 max |
| Silicon (Si) | 0.10 - 0.40 |
| Hlau (Fe) | Tshuav |
Mechanical Properties
Cov khoom siv ntawm ASTM A500 welded steel tubing yog qhov tseem ceeb rau nws qhov kev ua tau zoo hauv cov khoom siv hluav taws xob. Cov lus hauv qab no qhia txog cov khoom siv kho tshuab raug:
| Khoom | Tus nqi |
| Yield zog (min) | 46, 000 psi (315 MPa) |
| Tensile zog (min) | 58, 000 psi (400 MPa) |
| Elongation (min) | 20% |
| Hardness (Brinell) | 120 HB max |
Lub cev muaj zog
Nkag siab txog lub cev lub cev ntawm ASTM A500 welded steel tubing yog qhov tseem ceeb rau nws daim ntawv thov hauv cov khoom siv hluav taws xob. Cov lus hauv qab no nthuav tawm cov khoom no:
| Khoom | Tus nqi |
| Qhov ntom | 490 lb/ft³ (7,850 kg/m³) |
| Thermal conductivity | 43 W/m·K |
| Coefficient ntawm Thermal Expansion | 11.7 µm/m·K |
| Melting Point | 2,500 degree F (1,370 degree) |
Txheej Txheem Kev Ua Haujlwm
Cov txheej txheem kev ua tau zoo ntawm ASTM A500 welded steel tubing yog qhov tseem ceeb rau kev tsim khoom thiab kev tsim khoom. Cov lus hauv qab no qhia txog cov kev ntsuas kev ua haujlwm tseem ceeb:
| Performance Metric | Tus nqi |
| Weldability | Zoo heev |
| Formability | Zoo |
| Machineability | Nruab nrab |
| Corrosion Resistance | Varies (nyob ntawm txheej) |
Qib Steel
ASTM A500 yog categorized rau hauv cov qib sib txawv raws li nws lub zog tawm los. Cov qib uas feem ntau yog:
Qib A: Yam tsawg kawg nkaus lub zog ntawm 33, 000 psi (230 MPa).
Qib B: Yam tsawg kawg nkaus lub zog ntawm 46, 000 psi (315 MPa).
Qib C: Yam tsawg kawg nkaus lub zog ntawm 50, 000 psi (345 MPa).
Cov qib no tso cai rau cov kws ua haujlwm xaiv cov tubing uas tsim nyog raws li cov kev cai tshwj xeeb ntawm lawv cov ntawv thov kev sib hloov cua sov.
Daim ntawv thov
ASTM A500 welded steel tubing yog dav siv hauv ntau daim ntawv thov, suav nrog:
Thaum tshav kub kub Exchangers: Vim nws lub zog siab thiab weldability.
Kev them nyiaj yug tus qauv: Hauv cov tsev thiab cov choj.
Automotive Cheebtsam: Rau thav duab thiab chassis.
Khoom siv: Xws li conveyors thiab machinery.
Cov qhab nia xaiv tau
Thaum ASTM A500 yog ib qho kev xaiv nrov rau welded steel tubing, muaj lwm qib uas yuav haum rau cov kev siv tshwj xeeb:
ASTM A53: Tus qauv specification rau cov yeeb nkab haum rau vuam thiab dabtsi yog khoov.
ASTM A252, ASTM A252: Siv rau welded thiab seamless steel yeeb nkab pawg.
ASTM A36: Ib hom qauv steel qib nrog zoo weldability.
Cov kev xaiv no tuaj yeem muab cov khoom sib txawv lossis cov tshuaj lom neeg sib xyaw uas tuaj yeem ua tau zoo nyob ntawm daim ntawv thov.
Cim npe nrov: welded steel tubing, Tuam Tshoj, lwm tus neeg, manufacturers, hoobkas, customized, lag luam wholesale, nqe, OEM, zeb, tsim, kev muag khoom
