JIS G 3456 steel kavyog cov pa roj carbon steel raj feem ntau haum rau siv nyob rau hauv kev pab cuam ib puag ncig nrog sab nraud diameters ntawm 10.5 hli thiab 660.4 hli ntawm qhov kub thiab txias tshaj 350 ℃.
Navigation Khawm
JIS G 3456 Qib Classification
Cov khoom siv raw
JIS G 3456 Cov txheej txheem tsim khoom
Cov yeeb nkab kawg
Kev kho kub
Chemical Cheebtsam ntawm JIS G 3456
Tensile Test ntawm JIS G 3456
Flattening Experiment
Bendability Test
Hydraulic Test lossis Nondestructive Test (NDT)
Daim Ntawv Qhia Pipe Weight thiab Pipe Schedules ntawm JIS G 3456
Dimensional Tolerances
Qhov tshwm sim
JIS G 3456 Kos npe
JIS G 3456 Steel Pipe Applications
Cov txheej txheem ntsig txog JIS G 3456
Peb cov khoom muaj feem xyuam
JIS G 3456 Qib Classification
JIS G 3456 tus qauv muaj peb qib raws li lub zog tensile ntawm cov yeeb nkab.
STPT370, STPT410 thiab STPT480
Lawv sawv cev rau cov raj uas muaj qhov tsawg kawg nkaus tensile lub zog ntawm 370, 410, thiab 480 N / mm² (MPa) feem.
Cov khoom siv raw
Cov kav dej yuav tsum tau tsim los ntawm cov hlau tua.
Cov hlau tua yog ib hom tshwj xeeb ntawm cov hlau uas muaj qhov sib ntxiv ntawm cov ntsiab lus tshwj xeeb, xws li txhuas thiab silicon, thaum lub sij hawm melting txheej txheem kom nqus thiab khi oxygen thiab lwm yam teeb meem impurities hauv cov hlau.
Cov txheej txheem no zoo tshem tawm cov pa roj thiab impurities, yog li txhim kho cov purity thiab uniformity ntawm cov hlau.
JIS G 3456 Cov txheej txheem tsim khoom
Ua los ntawm kev sib xyaw ua ke ntawm cov txheej txheem tsim cov raj thiab cov txheej txheem tiav.
| Lub cim ntawm qib | Lub cim ntawm kev tsim khoom | ||
| Kev tsim cov yeeb nkab | Txoj kev ua tiav | Kos npe | |
| TIAB SA 370 TIAB SA 410 TIAB SA 480 | Seamless:S | Kub tiav:H Cold-ua tiav:C | Raws li tau hais hauv 13 b). |
| Hluav taws xob kuj welded:E Lub taub hau welded:B | Kub tiav:H Cold-ua tiav:C Raws li hluav taws xob kuj welded:G | ||
RauTIAB SA 480qib yeeb nkab, tsuas yog seamless steel yeeb nkab yuav tsum tau siv.
Yog tias siv cov welding tsis kam, cov welds nyob rau sab hauv thiab sab nrauv ntawm cov yeeb nkab yuav tsum raug tshem tawm kom tau txais kev sib tw.
Cov yeeb nkab kawg
Cov yeeb nkab yuav tsum yogflat kawg.
Yog tias cov yeeb nkab yuav tsum tau ua tiav rau hauv qhov kawg beveled, rau phab ntsa thickness ≤ 22mm steel yeeb nkab, lub kaum sab xis ntawm bevel yog 30-35 °, bevel dav ntawm cov yeeb nkab steel ntug: yog max 2.4mm.
Phab ntsa thickness ntau dua 22 hli steel yeeb nkab sloping kawg, feem ntau ua tiav raws li kev sib xyaw bevel, kev siv cov qauv tuaj yeem xa mus rau cov kev cai ntawm ASME B36.19.
Kev kho kub
Xaiv cov txheej txheem kho cua sov kom tsim nyog raws li qib thiab kev tsim khoom.
Chemical Cheebtsam ntawm JIS G 3456
Chemical Composition Test
Txoj kev ntsuas cua sov yuav tsum ua raws li JIS G 0320.
Txoj kev tsom xam cov khoom yuav tsum ua raws li JIS G 0321.
| Lub cim ntawm qib | C(Carbon) | Si(Silicon) | Mn(Manganese) | P(Phosphorus) | S(Sulfur) |
| max | max | max | |||
| TIAB SA 370 | 0.25% | 0.10-0.35% | 0.30-0.90% | 0.035% | 0.035% |
| TIAB SA 410 | 0.30% | 0.10-0.35% | 0.30-1.00% | 0.035% | 0.035% |
| TIAB SA 480 | 0.33% | 0.10-0.35% | 0.30-1.00% | 0.035% | 0.035% |
Tolerances rau Chemical Composition
Seamless steel yeeb nkab yuav tsum tau ua raws li cov lus pom 3 ntawm JIS G 0321.
Cov kav hlau tsis kam-welded yuav tsum tau ua raws li qhov ua siab ntev hauv Table 2 ntawm JIS G 0321.
Tensile Test ntawm JIS G 3456
Test Methods: Cov kev xeem yuav tsum ua raws li cov qauv hauv JIS Z.2241.
Cov yeeb nkab yuav tsum ua tau raws li qhov yuav tsum tau muaj nyob rau hauv Table 4 rau lub zog tensile, yield zog, thiab elongation.
Daim ntawv xeem siv yuav tsum yog No. 11, No. 12 (No. 12A, No. 12B, lossis No. 12C), No. 14A, No. 4 lossis No. 5 teev hauv JIS Z 2241.
Txoj kab uas hla ntawm Test daim No. 4 yuav tsum yog 14 mm (gauge length 50 mm).
Daim ntawv xeem No. 11 thiab No.
Cov khoom xeem No.
thiab Test daim No. 5, nyob rau hauv perpendicular mus rau cov yeeb nkab axis.
Daim ntawv xeem No.
Rau qhov kev sim tensile ntawm cov kav dej hauv qab 8 hli hauv thickness ua siv Test piece No. 12 los yog Test piece No. 5, yuav tsum tau elongation yuav tsum tau muab rau hauv Table 5.
Flattening Experiment
Nyob rau hauv chav tsev kub (5 ° C - 35 ° C), flatten cov qauv ntawm ob lub platform kom txog thaum nwsnrug (H) nruab nrab ntawm lawv ncav cuag tus nqi teev thiab tom qab ntawd xyuas cov kab nrib pleb.
H=(1+e)t/(e+t/D)
н: nrug ntawm platens (mm)
t: phab ntsa thickness ntawm cov yeeb nkab (mm)
D: Sab nraud txoj kab uas hla ntawm cov yeeb nkab (mm)
е: tas mus li txhais rau txhua qib ntawm cov yeeb nkab:
0.08 rau STPT370,
0.07 rau STPT410 thiab STPT480
Bendability Test
Bendability muaj feem xyuam rau cov kav dej uas muaj sab nraud txoj kab uas hla ntawm 60.5 hli los yog tsawg dua.
Txoj kev ntsuas ntawm chav tsev kub (5 ° C mus rau 35 ° C), khoov daim ntawv xeem nyob ib ncig ntawm lub mandrel kom txog thaum lub vojvoog sab hauv yog 6 npaug ntawm txoj kab uas hla ntawm cov yeeb nkab thiab xyuas cov kab nrib pleb.Hauv qhov kev sim no, qhov vuam yuav tsum nyob ntawm kwv yees li 90 ° los ntawm sab nraud ntawm qhov khoov.
Kev kuaj Bendability kuj tseem tuaj yeem ua raws li qhov yuav tsum tau ua kom lub vojvoog sab hauv yog plaub npaug ntawm txoj kab uas hla ntawm cov yeeb nkab thiab lub kaum sab xis yog 180 °.
Hydraulic Test lossis Nondestructive Test (NDT)
Ib qho kev sim hydraulic lossis kev sim tsis muaj kev puas tsuaj yuav tsum tau ua ntawm txhua lub yeeb nkab.
Kev Xeem Hydraulic
Tuav cov yeeb nkab yam tsawg kawg nkaus ntawm qhov tsawg kawg nkaus ntsuas qhov ntsuas siab tau teev tseg tsawg kawg 5 vib nas this thiab saib xyuas tias cov yeeb nkab muaj peev xwm tiv taus lub siab yam tsis muaj qhov to.
Lub sij hawm Hydraulic tau teev tseg raws li cov yeeb nkab steel Schedule.
| Table 6 Yam tsawg kawg nkaus ntsuas hydraulic | ||||||||||
| Nominal phab ntsa thickness | Daim ntawv teev npe: Sch | |||||||||
| 10 | 20 | 30 | 40 | 60 | 80 | 100 | 120 | 140 | 160 | |
| Tsawg kawg hydraulic ntsuas siab, Mpa | 2.0 | 3.5 | 5.0 | 6.0 | 9.0 ib | 12 | 15 | 18 | 20 | 20 |
Kev kuaj tsis raug
Yog tias kev tshuaj xyuas ultrasonic siv, cov teeb liab los ntawm cov qauv siv uas muaj cov qauv siv UD-hom, raws li tau teev tseg hauv JIS G 0582, yuav tsum siv raws li qib tswb;ib qho teeb liab los ntawm cov yeeb nkab sib npaug los yog siab tshaj lub tswb theem yuav tsum tsis lees paub.Tsis tas li ntawd, qhov tsawg kawg nkaus qhov tob ntawm square recesses rau kev sim cov kav dej, uas tsis yog qhov txias txias, yuav tsum yog 0.3 hli.
Yog siv eddy tam sim no tshuaj xyuas, cov teeb liab los ntawm EY hom siv tus qauv raws li tau teev tseg hauv JIS G 0583 yuav tsum tau siv raws li lub tswb;ib qho teeb liab los ntawm cov yeeb nkab sib npaug los yog siab tshaj lub tswb theem yuav tsum yog vim li cas rau kev tsis lees paub.
Daim Ntawv Qhia Pipe Weight thiab Pipe Schedules ntawm JIS G 3456
Hlau Yeeb Nkab Qhov Ntsuas Cov Qauv
Xav tias qhov ceev ntawm 7.85 g / cm³ rau lub raj steel thiab hloov qhov tshwm sim rau peb qhov tseem ceeb.
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
Pipe Weight Chart
Cov lus ceeb toom ntawm cov yeeb nkab thiab cov sij hawm yog cov ntaub ntawv tseem ceeb uas feem ntau siv hauv kev tsim hluav taws xob.
Cov Txheej Txheem Yeeb Nkab
Lub sij hawm yog ib qho kev sib xyaw ua ke ntawm phab ntsa thickness thiab lub nominal txoj kab uas hla ntawm cov yeeb nkab.
Teem caij 40 thiab Teem 80 steel hlab yog dav siv hauv kev lag luam thiab kev tsim kho.Lawv yog cov yeeb nkab ntau qhov sib txawv nrog cov phab ntsa sib txawv thiab muaj peev xwm rau cov ntawv thov sib txawv.
Yog xav paub ntxiv txog lubpipe weight table thiab yeeb nkab teem caijnyob rau hauv tus txheej txheem, koj tuaj yeem nias mus xyuas nws!
Dimensional Tolerances
Qhov tshwm sim
Sab hauv thiab sab nrauv ntawm cov yeeb nkab yuav tsum du thiab tsis muaj qhov tsis zoo siv.
Cov yeeb nkab yuav tsum ncaj, nrog rau qhov kawg ntawm txoj cai kaum rau lub axis ntawm cov yeeb nkab.
Cov kav dej yuav raug kho los ntawm kev sib tsoo, machining lossis lwm txoj hauv kev, tab sis kho cov phab ntsa tuab yuav tsum nyob twj ywm tsis pub dhau qhov kev cia siab thiab qhov kho qhov chaw yuav tsum du hauv qhov profile.
Cov phab ntsa tuab ntawm cov yeeb nkab kho yuav tsum tau khaws cia nyob rau hauv qhov kev cia siab ntawm qhov ntsuas thiab qhov saum npoo ntawm cov yeeb nkab kho yuav tsum du hauv qhov profile.
JIS G 3456 Kos npe
Txhua cov yeeb nkab uas dhau kev tshuaj xyuas yuav tsum tau sau nrog cov ntaub ntawv hauv qab no.Cov ntawv sau yuav siv tau rau hauv cov khoom siv rau cov kav dej me me.
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
Txias-tiav hluav taws xob tiv thaiv welded steel yeeb nkab:-EC
c) Qhov ntev, 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:BOTOP JIS G 3456 SH STPT370 50A × SHC40 HEAT NO.00001
JIS G 3456 Steel Pipe Applications
JIS G 3456 steel yeeb nkab feem ntau yog siv rau cov khoom siv thiab cov kav dej hauv qhov chaw kub thiab txias, xws li hauv boilers, kub exchangers, high-pressure steam piping, thermal fais fab nroj tsuag, tshuaj nroj tsuag, thiab ntawv mills.
Cov txheej txheem ntsig txog JIS G 3456
Cov qauv hauv qab no yog txhua yam siv tau rau cov kav dej hauv qhov chaw kub thiab txias thiab tuaj yeem siv los ua lwm txoj hauv kev rau JIS G 3456.
ASTM A335 / A335M: Muaj feem xyuam rau cov yeeb nkab steel hlau
DIN 17175: rau seamless steel kav
TS EN 10216-2: Seamless steel kav
GB 5310: muaj feem xyuam rau seamless steel yeeb nkab
ASTM A106 / A106M: Seamless carbon steel hlab
ASTM A213 / A213M: Seamless raj thiab kav hlau alloy steel thiab stainless hlau
TS EN 10217-2: Tsim nyog rau cov kav dej thiab cov kav dej
TS EN ISO 9329-2: Seamless carbon thiab alloy steel hlab thiab kav
NFA 49-211: rau seamless steel raj thiab kav
BS 3602-2: Seamless carbon steel kav thiab fittings
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!Yog tias koj xav paub ntau ntxiv txog cov khoom siv steel yeeb nkab, koj tuaj yeem tiv tauj peb.
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Lub sij hawm xa tuaj: Plaub Hlis-29-2024