ASTM A210 steel yeeb nkab yog ib qho nruab nrab carbon seamless steel raj siv boiler thiab superheater raj rau kub thiab high-pressure ib puag ncig, xws li nyob rau hauv lub hwj chim noj thiab industrial boilers.
Navigation Khawm
Qhov Loj ntawm ASTM A210
Cov khoom siv raw
ASTM A210 Qib
ASTM A210 Seamless Steel Tube Ntau Lawm Txheej Txheem
Kev kho cua sov
Chemical Cheebtsam
Mechanical Properties
Hardness Test
Lwm yam kev sim
Nto Finishing
Kev Ua Haujlwm
ASTM A210 Daim Ntawv Pom Zoo
Daim ntawv thov ntawm ASTM A210
Peb cov khoom muaj feem xyuam
Qhov Loj ntawm ASTM A210
Sab nraud: 1/2hauv (12.7mm) ≤ OD ≤5in (127mm)
Phab ntsa Thickness0.035in (0.9mm) ≤ WT ≤ 0.500 hauv (12.7mm)
Tubing muaj lwm qhov ntev yuav raug muab tso rau, yog tias cov raj no ua tau raws li tag nrho lwm cov kev cai ntawm qhov kev qhia no.
Cov khoom siv raw
Steelmaking Practice--Cov hlau yuav raug tua.
Cov hlau tua yog hais txog qhov sib ntxiv ntawm qee qhov ntawm deoxidizers xws li silicon, aluminium, thiab manganese thaum lub sij hawm melting txheej txheem ntawm hlau.
Cov additives no tuaj yeem hnov mob nrog cov pa oxygen hauv cov hlau los tsim cov khoom oxides, yog li txo cov pa oxygen hauv cov hlau thiab tiv thaiv kev tsim cov oxidizing inclusions.
ASTM A210 Qib
ASTM A210 muaj nyob rau hauv ob qib:Qib A-1 thiab Qib C.
ASTM A210 Seamless Steel Tube Ntau Lawm Txheej Txheem
Cov kav hlau yuav tsum tau ua los ntawm cov txheej txheem seamless thiab yuav tsum yogkub tiav or txias ua tiavraws li tau teev tseg.
Feem ntau, cov kav hlau uas muaj txoj kab uas hla ntau dua 30 millimeters yog kub-tiav thiab cov uas muaj txoj kab uas hla tsawg dua lossis sib npaug li 30 millimeters yog txias-tiav.Hom kev sib txawv no tsis yog qhov tseeb tab sis tuaj yeem siv los ua txoj hauv kev yooj yim thiab yooj yim los txiav txim siab cov txheej txheem ntawm seamless steel yeeb nkab.
Kev kho cua sov
Kev kho cua sov tsis tas yuav tsum tau ua rau cov raj kub tiav.
Cov hlab ntsha txias yuav tsum tau muab ib qho kev sib tw, ib qho anneal tag nrho, lossis kev kho cua sov kom zoo tom qab cov txheej txheem txias txias kawg.
Chemical Cheebtsam
| Lub ntsiab | Qib A-1 | Qib C |
| C (Carbon), maxA | 0.27 ib | 0.35 Nws |
| Manganese (Mn) | 0.93 max | 0.29-1.06 Nws |
| P (phosphorus), max | 0.035 ib | 0.035 ib |
| S (Sulfur), max | 0.035 ib | 0.035 ib |
| Si (Silicon), min | 0.1 | 0.1 |
| A Rau txhua qhov kev txo qis ntawm 0.01% qis dua cov pa roj carbon siab tshaj plaws, qhov nce ntawm 0.06% ntawm manganese saum toj no qhov siab tshaj plaws yuav raug tso cai mus txog qhov siab tshaj ntawm 1.35%. | ||
Cov tshuaj muaj pes tsawg leeg yuav tsum tau ua kom ntseeg tau tias cov raj muaj lub zog txaus thiab kub ua haujlwm.
Mechanical Properties
Cov cuab yeej cuab tam yuav tsum tsis txhob siv rau tubing me dua1/ 8nyob rau hauv [3.2 mm] nyob rau hauv lub cheeb los yog 0.015 nyob rau hauv. [0.4 mm] nyob rau hauv thickness.
| Sau npe | Uint | Qib A-1 | Qib C | |
| Tensile zog, min | ksi ua | 60 | 70 | |
| MPa | 415 | 485 ib | ||
| Yield zog, min | ksi ua | 37 | 40 | |
| MPa | 255 | 275 | ||
| Elongation hauv 50 mm (2 in), min | Rau kev ntsuam xyuas cov kab txaij ntev, kev txiav tawm yuav tsum ua rau txhua 1/32-hauv.[0.8-mm] txo cov phab ntsa thickness qis dua 5/16 hauv. | % | 1.5A | 1.5A |
| Thaum tus qauv puag ncig 2-hauv.los yog 50-mm gage ntev los yog me me proportionally sized specimen with the gage length sib npaug rau 4D (plaub npaug ntawm txoj kab uas hla) yog siv | 22 | 20 | ||
| ASaib Table 4 rau qhov xam qhov tsawg kawg nkaus. | ||||
Table 4 muab xam qhov tsawg kawg nkaus elongation qhov tseem ceeb rau txhua tus1/32hauv. [0.8 mm] txo cov phab ntsa thickness.
Qhov twg phab ntsa thickness nyob nruab nrab ntawm ob qhov tseem ceeb qhia saum toj no, qhov tsawg kawg nkaus elongation tus nqi yuav tsum tau txiav txim los ntawm cov kab zauv hauv qab no:
Imperial units(hauv): E = 48t + 15.00
SI unit(mm): E = 1.87t+15.00
qhov twg:
E = elongation hauv 2 nti lossis 50 mm, %,
t = qhov tseeb thickness ntawm cov qauv.
Hardness Test
Brinell los yog Rockwell hardness tests yuav tsum tau ua ntawm cov qauv ntawm ob lub raj los ntawm txhua qhov ntau.
ASTM A210 Qib A-1: 79-143 HBW
ASTM A210 Qib C: 89-179 HBW
HBW yog hais txog kev ntsuas ntawm Brinell Hardness, qhov "W" sawv cev rau kev siv lub pob carbide ua ib qho indenter.
Lwm yam kev sim
Flattening Test
Flaring Test
Hydrostatic lossis Nondestructive Electric Test
Nto Finishing
Nws tuaj yeem yog pickled lossis blasted, los yog ob qho tib si, thiab qhov no yog qhov teeb meem ntawm kev pom zoo, thiab kev xaiv yog raws li kev pom zoo ntawm tus neeg siv khoom thiab cov chaw tsim khoom.
Pickling feem ntau yog siv los tshem tawm cov txheej txheem oxidized thiab lwm yam kab mob ntawm cov kav hlau.
Kev txhaj tshuaj blasting yog siv los ntxuav qhov chaw thiab txhim kho nws lub zog adhesion.
Cov kev kho mob no tsis tsuas yog cuam tshuam rau qhov zoo ntawm cov yeeb nkab tab sis kuj tseem tuaj yeem cuam tshuam rau nws cov khoom siv kawg.
Kev Ua Haujlwm
Thaum muab tso rau hauv lub boiler, cov hlab yuav tsum sawv expanding thiab beading yam tsis muaj kev sib tsoo los yog flaws.Thaum siv tau zoo, cov raj superheater yuav tsum sawv ntsug txhua qhov kev sib tsoo, vuam, thiab khoov cov haujlwm tsim nyog rau daim ntawv thov yam tsis muaj qhov tsis xws luag.
ASTM A210 Daim Ntawv Pom Zoo
Cov hauv qab no yuav tsum tau cim kom meej:
Tus neeg tsim khoom lub npe lossis lub logo.
Cov yeeb nkab specification (qhov loj, phab ntsa thickness, thiab lwm yam).
Qib yeeb nkab.
Hom kev tsim cov yeeb nkab steel: kub tiav lossis txias tiav.
Daim ntawv thov ntawm ASTM A210
Siv hauv kev tsim cov boilers me me mus rau nruab nrab ntawm lub siab me me, xws li sawv-up boilers, zaum-down boilers, thiab lwm yam boilers siv rau kev lag luam lossis thaj chaw cua sov.
Superheaters yog ib feem ntawm lub boiler siv los nce qhov kub ntawm chav siab tshaj nws cov boiling point, thiab ASTM A210 hlab yog tsim nyog rau kev tsim khoom ntawm cov high-temperature qhov chaw.
Peb cov khoom muaj feem xyuam
Peb yog ib tug zoo welded carbon steel yeeb nkab chaw tsim tshuaj paus thiab tsum los ntawm Tuam Tshoj, thiab kuj yog ib tug seamless steel yeeb nkab stockist, muab koj ib tug ntau yam ntawm cov yeeb nkab steel kev daws teeb meem!
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Lub sij hawm xa tuaj: Plaub Hlis-24-2024