JIS G 3454 steel tubesyog cov pa roj carbon steel raj feem ntau haum rau siv nyob rau hauv tsis-siab-siab ib puag ncig nrog sab nraud diameters li ntawm 10.5 hli mus rau 660.4 hli thiab nrog kev khiav hauj lwm kub txog 350 ℃.
Navigation Khawm
Qib Classification
Cov txheej txheem tsim khoom
Kub Dip Galvanizing - Dawb yeeb nkab
Tshuaj muaj pes tsawg leeg ntawm JIS G 3454
Mechanical Properties ntawm JIS G 3454
Flattening Test
Bending Test
Hydraulic Test los yog Non-destructive Test
Dimensional Tolerances
Cov lus ceeb toom ntawm cov kav dej thiab cov kav dej ntawm JIS G3454
Qhov tshwm sim
Nto txheej ntawm JIS G 3454
Kos npe
Daim ntawv thov ntawm JIS G 3454 Steel Pipe
Peb cov khoom muaj feem xyuam
Qib Classification
JIS G 3454 muaj ob qib raws li qhov tsawg kawg nkaus yield zog ntawm cov yeeb nkab steel tiav.
TIAB SA 370, STPG410
Cov txheej txheem tsim khoom
Manufactured siv ib tug tsim nyog ua ke ntawm tube manufacturing txheej txheem thiab xov txoj kev.
| Lub cim ntawm qib | Lub cim ntawm kev tsim khoom | ||
| Kev tsim cov yeeb nkab | Txoj kev ua tiav | Classification ntawm zinc-coating | |
| TIAB SA 370 TIAB SA 410 | Seamless:S Hluav taws xob kuj welded:E | Kub tiav:H Cold-ua tiav:C Raws li hluav taws xob kuj welded:G | Cov kav dej dub: cov kav dej tsis muab zinc-txheej Cov kav dej dawb: cov kav dej muab zinc-coating |
Cold ua hauj lwm steel yeeb nkab yuav tsum tau annealed tom qab fabrication.Yog tias tsim nyog, tus neeg yuav khoom tuaj yeem hais qhia txog kev kho cua sov ntawm cov welds ntawm STPG 410 tsis kam welded steel yeeb nkab.
Yog tias siv cov welding tsis kam, cov welds nyob rau sab hauv thiab sab nrauv ntawm cov yeeb nkab yuav tsum tau muab tshem tawm kom tau txais kev sib tw du raws cov yeeb nkab contour.Txawm li cas los xij, yog tias nws nyuaj rau tshem tawm cov vuam ntawm sab hauv, qhov xwm txheej welded yuav raug khaws cia.
Kub Dip Galvanizing - Dawb yeeb nkab
Raudawbcev(cov kav dej muab zinc-txheej), qhov chaw ntawm kev tshuaj xyuascev dub(cov kav dej tsis muab zinc-txheej) yuav tsum tau ntxuav los ntawm sandblasting, pickling, los yog lwm yam kev kho mob ua ntej kub-dip galvanizing.Zinc rau kub dip galvanizing yuav tsum yog JIS H 2107 Qib 1 distilled zinc ingot lossis zinc ntawm qhov sib npaug lossis zoo dua.
Lwm cov kev cai dav dav rau galvanizing yog raws li JIS H 8641.
Tshuaj muaj pes tsawg leeg ntawm JIS G 3454
Cov khoom siv dav dav ntawm kev tshuaj ntsuam xyuas thiab cov qauv ntawm cov qauv thiab kev soj ntsuam yuav tsum ua raws li JIS G 0404 yam 8 (Chemical composition).
Txoj kev tsom xam yuav tsum ua raws li JIS G 0320.
| Lub cim ntawm qib | C (Carbon) | Si (Silicon) | Manganese (Mn) | P (phosphorus) | S (Sulfur) |
| max | max | max | max | ||
| TIAB SA 370 | 0.25% | 0.35% | 0.30-0.90% | 0.04% | 0.04% |
| TIAB SA 410 | 0.30% | 0.35% | 0.30-1.00% | 0.04% | 0.04% |
Mechanical Properties ntawm JIS G 3454
Cov kev cai dav dav rau kev kuaj tshuab yog ua raws li JIS G 0404 Clause 7 (Cov Lus Qhia Dav Dav) thiab Nqe 9 (Cov Khoom Siv Kho Tshuab).
Txawm li cas los xij, txoj kev sau cov qauv rau kev kuaj tshuab yuav tsum ua raws li JIS G 0404 Clause 7.6 (Specimen collection conditions and specimens), Hom A.
Cov yeeb nkab testers yuav tsum ua cov kev xeem raws li JIS Z 2241 thiab lub zog tensile, yield zog, thiab elongation yuav tsum ua raws li Table 3.
Txawm li cas los xij, rau cov raj uas tsawg dua 8 hli tuab, qhov elongation yuav tsum ua raws li Table 4 rau kev ntsuas tensile siv No. 12 lossis No. 5 specimens.
Flattening Test
Qhov ntsuas kub yuav tsum yog chav tsev kub (5 ~ 35 ℃), cov qauv yog muab tso rau ntawm ob daim hlau tiaj tus thiab compressed kom txog thaum qhov kev ncua deb H ntawm daim hlau yog tsawg dua li cov nqi teev tseg, thaum cov qauv yog flattened, saib seb puas muaj qhov tawg. nyob rau saum npoo ntawm cov yeeb nkab steel qauv thaiv.
Thaum H = 2/3D, xyuas cov weld rau cov kab nrib pleb.
Thaum H = 1/3D, tshawb xyuas cov kab nrib pleb hauv qhov chaw uas tsis yog qhov vuam seam.
Seamless steel yeeb nkab tej zaum yuav raug zam los ntawm kev sim flattening, tab sis kev ua haujlwm ntawm cov yeeb nkab yuav tsum ua raws li cov kev cai.
Bending Test
Muaj feem xyuam rau cov kav dej nrog sab nraud ≤ 40A (48.6mm).
Cov qauv yuav tsum tsis txhob tawg thaum khoov ntawm 90 ° nrog lub vojvoog sab hauv ntawm 6 npaug ntawm txoj kab uas hla sab nraud.
Tus neeg yuav khoom tuaj yeem hais qhia lub kaum sab xis ntawm 180 thiab / lossis lub vojvoog sab hauv ntawm 4 npaug ntawm sab nraud ntawm cov yeeb nkab.
Rau kev tiv thaiv welded kav, weld seam yuav tsum nyob li ntawm 90 ° los ntawm sab nraud ntawm qhov khoov.
Hydraulic Test los yog Non-destructive Test
Tag nrho cov kav dej yuav tsum tau sim hydraulically los yog tsis ua kom puas.
Txawm li cas los xij, rau cov kav dej dawb, qhov no feem ntau yog ua ua ntej galvanizing.
Hydrotesting los yog tsis muaj kev puas tsuaj yog ib qho tseem ceeb ntawm kev tswj cov kav dej kom muaj kev nyab xeeb thiab kev ntseeg siab ntawm cov kav dej thaum lub sij hawm installation thiab siv.
Hydrostatic Test
Siv lub ntsuas hydraulic siab tshaj qhov ntsuas siab rau cov yeeb nkab thiab tuav nws tsawg kawg 5 vib nas this kom pom tias cov yeeb nkab tuaj yeem tiv taus qhov siab thiab yog tias muaj dej xau.
| Table 5 Yam tsawg kawg nkaus hydraulic ntsuas siab | ||||||
| Nominal phab ntsa thickness | Daim ntawv teev npe: Sch | |||||
| 10 | 20 | 30 | 40 | 60 | 80 | |
| Tsawg kawg hydraulic ntsuas siab, Mpa | 2.0 | 3.5 | 5.0 | 6.0 | 9.0 ib | 12 |
Kev kuaj tsis muaj kev puas tsuaj
Txoj kev kuaj ultrasonic (UT) yuav tsum ua raws li JIS G 0582. Txawm li cas los xij, kev ntsuas nruj dua li UD kev faib tawm ntawm cov khoom siv dag zog kuj tseem siv tau.
Eddy txoj kev sim tam sim no (ET) yuav tsum ua raws li JIS G 0583. Txawm li cas los xij, nws tseem tuaj yeem hloov tau los ntawm kev ntsuas nruj dua li EY Artificial Defects kev faib tawm.
Tau kawg, lwm txoj kev sim tsis muaj kev puas tsuaj uas ua tau raws li cov txheej txheem tuaj yeem xaiv tau.
Dimensional Tolerances
Tsis zoo tolerances ntawm lub thickness ntawm kuj-welded steel kav tsuas yog siv rau kuj-welded steel yeeb nkab welds;zoo tolerance tsis siv.
Cov lus ceeb toom ntawm cov kav dej thiab cov kav dej ntawm JIS G3454
Hlau Yeeb Nkab Qhov Ntsuas Cov Qauv
W = 0.02466t(Dt)
Wunit loj ntawm cov yeeb nkab (kg / m)
t: phab ntsa thickness ntawm cov yeeb nkab (mm)
D: Sab nraud txoj kab uas hla ntawm cov yeeb nkab (mm)
0.02466 ib: Kev hloov pauv kom tau txais W
Cov qauv saum toj no yog kev hloov pauv raws li qhov ceev ntawm cov raj steel ntawm 7.85 g / cm³ thiab cov txiaj ntsig tau muab sib npaug rau peb qhov tseem ceeb.
Steel Pipe Luj Table
Cov kab hluav taws xob cov kab hluav taws xob ua lub luag haujlwm tseem ceeb hauv cov txheej txheem ntawm kev tsim cov raj xa dej, engineering, kev yuav khoom, thiab kev tsim kho, thiab yog ib qho tseem ceeb thiab tseem ceeb siv nyob rau hauv pipeline engineering.
Cov Txheej Txheem Yeeb Nkab
Lub sij hawm yeeb nkab yog ib lub rooj siv los tsim cov yeeb nkab qhov ntev, feem ntau los qhia cov phab ntsa thickness thiab nominal txoj kab uas hla ntawm cov yeeb nkab.
Teem sijhawm 10, 20, 30, 40, 60 thiab 80 hauv JIS G 3454.
Kawm paub ntxiv txogyeeb nkab luj thiab cov yeeb nkab teem caijnyob rau hauv tus qauv.
Qhov tshwm sim
Cov yeeb nkab yuav tsum ncaj ncaj thiab nws qhov kawg yuav tsum yog perpendicular mus rau axis ntawm cov yeeb nkab.
Sab hauv thiab sab nrauv ntawm cov yeeb nkab yuav tsum yog qhov ua tiav zoo thiab tsis muaj qhov tsis zoo uas siv tsis tau.
Kev kho deg tuaj yeem ua tiav los ntawm kev sib tsoo, machining, thiab lwm txoj hauv kev los daws qhov teeb meem ntawm qhov chaw, tab sis lub thickness tom qab kev kho mob tsis tsawg tshaj li qhov tsawg kawg nkaus thickness, thiab cov duab ntawm cov yeeb nkab tseem zoo ib yam.
Nto txheej ntawm JIS G 3454
Sab hauv thiab sab nrauv ntawm cov yeeb nkab steel tuaj yeem coated nrog anticorrosive txheej, xws li zinc-nplua nuj txheej, epoxy txheej, primer txheej, 3PE, thiab FBE.
Kos npe
Cov raj hlau uas dhau kev tshuaj xyuas yuav tsum tau cim nrog cov ntaub ntawv hauv qab no ntawm lub raj-los-tube.Txawm li cas los xij, yog tias qhov me me sab nraud ntawm cov raj ua rau nws nyuaj rau kos txhua lub raj ntawm tus kheej, cov hlab yuav raug muab khi thiab txhua lub nras cim rau hauv qhov tsim nyog.
Qhov kev txiav txim ntawm kev cim tsis tau teev tseg.Tsis tas li ntawd, qee yam khoom yuav raug tshem tawm los ntawm kev pom zoo ntawm ob tog rau kev xa khoom, yog tias cov khoom tuaj yeem txheeb xyuas tau.
a) Lub cim ntawm qib
b) Lub cim ntawm kev tsim khoom
Lub cim ntawm kev tsim khoom yuav tsum yog raws li hauv qab no.Cov dashes tuaj yeem hloov nrog qhov khoob.
Kub-tiav seamless steel yeeb nkab:-SH
Cold-tiav seamless steel yeeb nkab:-SC
Raws li hluav taws xob kuj welded steel yeeb nkab:-EG
Kub-tiav hluav taws xob kuj welded steel yeeb nkab:-EH
Cold-tiav hluav taws xob kuj welded steel yeeb nkab:-EC
c) Dimensions, qhia los ntawm nominal txoj kab uas hla × nominal phab ntsa thickness, los yog sab nraud txoj kab uas hla × phab ntsa thickness.
d) Tus neeg tsim khoom lub npe lossis txheeb xyuas lub npe
Piv txwv li: BOTOP JIS G 3454-SH STPG 370 50A × SHC40 HEAT NO.00001
Daim ntawv thov ntawm JIS G 3454 Steel Pipe
JIS G 3454 tus qauv steel kav muaj ntau yam kev siv hauv ntau yam kev lag luam thiab kev tsim kho, feem ntau yog siv rau kev xa tawm ntau yam dej tawm.
Cov khoom siv dej:JIS G 3454 tus qauv steel kav yuav siv tau rau hauv cov kav dej hauv nroog, kev siv dej hauv tsev, thiab lwm yam.
HVAC systems:Cov kav dej hlau no kuj tau siv dav hauv HVAC tshuab los xa dej txias lossis dej kub.
Cov hlab ntsha siab:JIS G 3454 steel kav kuj tau siv rau hauv qee lub nkoj siab thiab boilers
Cov nroj tsuag tshuaj:Cov no tuaj yeem siv los nthuav qhia ntau yam tshuaj lom neeg.
Kev lag luam roj thiab roj:Txawm hais tias JIS G 3454 feem ntau haum rau kev thauj mus los tsis tshua muaj siab, nws kuj tseem siv tau rau qee qhov kev thov roj thiab roj siv hauv kev lag luam.
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!
Tags: JIS G 3454, STPG, SCH, carbon yeeb nkab, yeeb nkab dawb, dub raj, lwm tus neeg, manufacturers, hoobkas, stockists, tuam txhab uas muag, lag luam wholesale, yuav, nqe, hais, tej, muag, nqi.
Post lub sij hawm: May-01-2024