A519 1020 Carbon Steel Seamless Tubings Nqe lus piav qhia
ASTM A519 Cov Lus Qhia Tshwj Xeebnpog ntau qib ntawm carbon thiab alloy steelseamless mechanical tubing, rooj tog kub-ua tiav lossis txias- tiav. Qib 1020 yog qib qis-carbon nrog cov ntsiab lus carbon ntawm0.18–0.23%, yog li nws ua ke zoo machinability thiab weldability nrog lub zog txaus rau cov khoom siv engineering. Nws tsis yog lub siab - qib yeeb nkab; Cov lus qhia tshwj xeeb yog sau nyob ib puag ncig qhov tseeb, qhov chaw tiav, thiab cov khoom siv kho tshuab rau machining, tsis nyob ib puag ncig hydrostatic ntim.
A519 1020 Seamless Carbon Steel Mechanical Tube Specification
| Khoom | ASTM A519 Qib 1020 seamless carbon steel mechanical tubing |
| Txuj | ASTM A519 / A519M Kev Ntsuas |
| Qib | 1020 (UNS G10200) UA |
| Tsim | Seamless; kub-tiav los yog txias-tiav lawm (txias-kos) |
| Cov duab | Round, square, rectangular, tshwj xeeb seem |
| Nto | Lub teeb roj txheej rau retard xeb, los yog raws li tau teev tseg |
| Ntev | Mus txog 12 m, tsau los yog random, los yog raws li xav tau |
| MOQ | Feem ntau 5 tons; qauv ntev muaj |
| Kev them nyiaj | T / T (30% tso nyiaj) lossis L / C thaum pom |
| Kev xa khoom | Feem ntau 7-15 hnub, lossis los ntawm kev sib tham |
Tshuaj muaj pes tsawg leeg (ASTM A519, ladle tsom xam)
Qib 1020 tau teev nyob rau hauv "lwm cov carbon steels" pawg ntawm ASTM A519 Table 2. Cov lus qhia tshwj xeeb tswj cov pa roj carbon, manganese, phosphorus, thiab sulfur; nws tsis teeb tsa silicon txwv rau qib no (silicon feem ntau yog qhov seem, feem ntau Tsawg dua lossis sib npaug li 0.40%).
| Element | Kev sib xyaw,% | Nco tseg |
|---|---|---|
| Cov pa roj carbon (C) | 0.18 – 0.23 | - |
| Manganese (Mn) | 0.30 – 0.60 | - |
| Phosphorus (P), max | 0.040 | - |
| Sulfur (S), max | 0.050 | - |
| Silicon (Si) | Tsis tau teev los ntawm A519 | Cov seem seem tsawg dua lossis sib npaug li 0.40% |
Mechanical Properties by Condition (ASTM A519 Table 4, yam tsawg kawg nkaus tus nqi)
Cov khoom siv kho tshuab ntawm Qib 1020 nyob ntawm qhov ua tiav thiab cua sov- kev kho mob tau txiav txim. Cov txiaj ntsig hauv qab no yog qhov yuav tsum muaj tsawg kawg nkaus los ntawm ASTM A519 Table 4.
| Qhov xwm txheej | Tensile zog, min | Yield zog, min | Elongation hauv 2 nti. [50 mm], min | Hardness, max (HRB) |
|---|---|---|---|---|
| HR - Kub- tiav | 345 MPa (50 ksi) | 221 MPa (32 ksi) | 25% | 55 |
| CW - Txias- ua haujlwm | 483 MPa (70 ksi) | 414 MPa (60 ksi) | 5% | 75 |
| SR - Kev nyuaj siab-relieved | 448 MPa (65 ksi) | 345 MPa (50 ksi) | 10% | 72 |
| A - Annealed | 331 MPa (48 ksi) | 193 MPa (28 ksi) | 30% | 50 |
| N - Normalized | 379 MPa (55 ksi) | 234 MPa (34 ksi) | 22% | 60 |
Cov lis dej num: HR/HF kub-ua tiav, CW txias- ua haujlwm, SR kev ntxhov siab-relieved (los yog ua tiav anneal), A annealed, N normalized. Sizing txoj kev kuj yuav raug teev raws li HF (kub tiav), CW, RT ( ntxhib tig), los yog G (hauv av).
Dimensions thiab Tolerances
ASTM A519 npog seamless mechanical tubing nrog rau sab nraud txoj kab uas hla mus txog thiab suav nrog12¾ nyob rau hauv [325 mm]. GNEE feem ntau muab cov khoom lag luam hauv qab no:
| Parameter | Yam khoom ntau yam |
|---|---|
| Sab nraud txoj kab uas hla | 15.9-323.8 hli (0.625-12.75 nyob rau hauv) |
| Phab ntsa thickness | Raws li specification, feem ntau 2 - 50 mm |
| Ntev | Mus txog 12 m, tsau los yog random, los yog raws li xav tau |
| Cov duab | Round, square, rectangular, tshwj xeeb seem |
| Xaus | Plain los yog beveled |
Dimensional tolerances ua raws li ASTM A519 thiab nyob ntawm txoj kev ua tiav (kub-tiav, txias-tiav, ntxhib- tig, lossis av). Paub meej tias kam rau ua rau koj daim duab ntawm kev txiav txim theem.
Cov khoom sib npaug
Cov lus hauv qab no qhia txog qhov sib npaug thoob ntiaj teb ntawm ASTM A519 Qib 1020 (UNS G10200).
| Txuj | Lub npe |
|---|---|
| ASTM A519 / A29 | 1020 (UNS G10200) UA |
| EN 10277-2 / EN 10083 | C22E (1.1151) |
| DIN | Ck 22 |
| JIS G4051 | S20C |
| GB/T 699 | 20 |
A 519 1020 Mechanical Seamless Carbon Steel Pipe
Qhia rau peb paub koj qib uas xav tau, mob, qhov ntev, thiab qhov ntau. GNEE muab A519 1020 tubing tshuab nyob rau hauv rounds, squares, thiab rectangles, nrog MTC thiab thib peb - tog tshuaj xyuas raws li kev thov.
Kev tsim khoom thiab kev kho cua sov
Cov raj yog tsim los ntawm cov txheej txheem seamless - ib txwm los ntawm kev ua haujlwm kub ntawm cov hlau, nrog rau kev xaiv tom qab txias tiav kom ncav cuag qhov xav tau cov duab, qhov ntev, thiab cov khoom. A519 muab tubing nyob rau hauv ib puag ncig, square, rectangular, thiab tshwj xeeb seem.
Kub- cov raj ua tiavtsis tas yuav tsum tau kho cua sov.
Txias- cov raj ua tiavyuav tsum tau kho cua sov tom qab txias kawg - ua tiav ntawm qhov kub ntawm1200℃F [650 degree] lossis siab dua.
Tus neeg yuav khoom qhia txog kev muab qhab nia, qhov loj me, thiab kev kho cua sov uas yuav tsum tau ua; cov khoom hauv cov lus saum toj no tsuas yog siv thaum muaj xwm txheej tau teev tseg.
Tshwj tsis yog tias pom zoo, tubing yog coated nrog ib zaj duab xis ntawm xeb - roj retarding ua ntej xa khoom los tiv thaiv nws hauv kev thauj mus los thiab khaws cia. Cov hlab ntsha yuav tsum tsis muaj laps, kab nrib pleb, seams, thiab cov kev tsis zoo sib xws raws li kev coj ua lag luam zoo.
Daim ntawv thov
Qib 1020 txhua yam tubing yog xaiv qhov twg lub zog nruab nrab thiab cov khoom tsim tau zoo tshaj qhov xav tau rau siab zog lossis siab ntsuas:
Machined Cheebtsam: shafts, bushings, spacers, dab tshos, pins
Hydraulic thiab pneumatic lub tog raj kheej lub cev (hauv qhov tsim nyog)
Cov qauv tsim thiab kev txhawb nqa cov tswv cuab hauv cov tshuab, thav duab, thiab cov hlua khi
Automotive thiab rail qhov chaw, jigs, fixtures, thiab dav fabrication
FAQ
ASTM A519 Qib 1020 tshuab raj siv rau dab tsi?
Nws yog siv rau machined thiab structural Cheebtsam xws li shafts, bushings, spacers, hydraulic lub tog raj kheej lub cev, pins, thiab lub teeb structural kev txhawb nqa, qhov twg muaj zog nruab nrab, zoo machinability, thiab zoo weldability teeb meem ntau tshaj li siab zog los yog siab ntim.
A519 mechanical tubing txawv li cas ntawm cov yeeb nkab siab xws li ASTM A106?
ASTM A519 tau teev tseg rau kev pabcuam txhua yam thiab cov qauv. Nws cov kev xav tau nyob rau ntawm qhov tseeb qhov tseeb, qhov kawg ntawm qhov kawg, thiab cov khoom siv kho tshuab rau machining, tsis yog nyob rau ntawm hydrostatic siab lossis cov dej ntim. A106 thiab API 5L yog siab- cov qauv yeeb nkab. A519 tubing yog seamless tab sis raug txiav txim los ntawm qib thiab mob es tsis yog los ntawm kev ntsuas siab.
Kev kho cua sov dab tsi siv rau A519 Qib 1020?
Kub- cov raj ua tiav yuav tsum tsis txhob raug kho cua sov. Txias- cov hlab ua tiav yuav tsum tau kho kom sov tom qab qhov kawg txias - ua tiav ntawm 1200℃F [650 degree] lossis siab dua. Cov khoom siv uas siv tau yog kub-ua tiav (HR/HF), txias- ua haujlwm (CW), kev ntxhov siab-relieved (SR), annealed (A), thiab normalized (N).
Dab tsi yog cov khoom siv kho tshuab ntawm Qib 1020 hauv cov xwm txheej sib txawv?
Ib ASTM A519 Table 4 yam tsawg kawg nkaus: txias-ua haujlwm (CW) 483 MPa tensile / 414 MPa tawm los / 5% elongation; kev nyuaj siab-relieved (SR) 448 / 345 / 10%; annealed (A) 331 / 193 / 30%; normalized (N) 379 / 234 / 22%; kub-ua tiav (HR) 345 / 221 / 25%.
A519 Qib 1020 tubing puas tuaj yeem welded thiab machined?
Yog lawm. Qib 1020 muaj cov ntsiab lus carbon tsawg thiab welds yooj yim nrog cov txheej txheem txheej txheem; preheat feem ntau tsis tsim nyog rau cov phab ntsa tuab. Nws tshuab tau yooj yim nyob rau hauv qhov kub - tiav los yog annealed mob. Txias- cov khoom lag luam ua haujlwm muab lub zog ntau dua tab sis qis dua machinability.
Qhov luaj li cas thiab cov ntsiab lus xaj dab tsi GNEE muab?
Sab nraud txoj kab uas hla mus txog 12¾ hauv [325 mm] ib A519; peb feem ntau muab 15.9-323.8 hli nrog phab ntsa thickness los ntawm specification. MOQ feem ntau yog 5 tons, nrog rau cov qauv ntev. Qhov xaus yog dawb los yog beveled, thiab cov hlab feem ntau yog cov roj-coated rau retard xeb tshwj tsis yog tias muaj lwm yam.
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