ASTM A179: Cov yeeb nkab hlau tsis muaj dej txias;
Haum rau cov tubular heat exchangers, condensers, thiab cov khoom siv hloov cua sov zoo sib xws.
Cov Khawm Navigation
Txoj kab uas hla ntau yam
Kev Kho Mob Kub
Qhov tsos
Kev kam rau siab ntawm qhov ntev
ASTM A179 Kev Ntsuas
Cov Cheebtsam Tshuaj
Cov Khoom Tensile
Kev Ntsuas Kom Sib Nqus
Kev Ntsuas Kub
Kev Ntsuas Flange
Kev Ntsuas Qhov Nyuaj
Kev Ntsuas Siab Hydraulic
Kev Ntsuas Hluav Taws Xob Tsis Ua Rau Puas Tsuaj
ASTM A179 Cim
ASTM A179 Cov Qauv Tseem Ceeb
Txog Peb
Txoj kab uas hla ntau yam
ASTM A179 rau cov raj uas muaj sab nraud ntawm 3.2 -76.2 hli [NPS 1/8 - 3 hauv.].
Kev Kho Mob Kub
Kho cua sov ntawm 1200℉ [650℃] lossis siab dua tom qab qhov kawg nqus dej txias.
Qhov tsos
Cov yeeb nkab hlau uas ua tiav lawm yuav tsum tsis muaj nplai. Kev oxidation me ntsis tsis suav tias yog nplai.
Kev kam rau siab ntawm qhov ntev
| Kev kam rau siab ntawm qhov ntev | ||
| Daim Ntawv Teev Npe | Xaiv | Scope |
| Pawg neeg | DN≤38.1mm [NPS 1 1/2] | +12% |
| DN> 38.1 hli [NPS 1 1/2] | +13% | |
| Txoj kab uas hla | DN≤38.1mm [NPS 1 1/2] | +20% |
| DN> 38.1 hli [NPS 1 1/2] | +22% | |
| Qhov ntev | DN <50.8 hli [NPS 2] | +5 hli [NPS 3/16] |
| DN≥50.8 hli [NPS 2] | +3 hli [NPS 1/8] | |
| Kev Ncaj Ncees thiab Kev Tiav | Cov raj tiav lawm yuav tsum ncaj thiab muaj cov npoo du tsis muaj burrs. | |
| Kev tswj qhov tsis zoo | Txhua qhov tsis sib txuas lossis qhov tsis sib xws pom nyob rau hauv lub raj yuav raug tshem tawm los ntawm kev sib tsoo, muab tias qhov chaw du thiab nkhaus raug tswj, thiab phab ntsa tuab tsis txo qis dua qhov tso cai los ntawm qhov no lossis cov khoom qhia tshwj xeeb. | |
ASTM A179 qhov hnyav mis yog:
M=(DT) × T × C
Myog qhov hnyav ib chav ntev;
Dyog qhov txoj kab uas hla sab nraud uas tau teev tseg, qhia hauv millimeters (nti);
T yog qhov tuab ntawm phab ntsa uas tau teev tseg, qhia hauv millimeters (nti);
Cyog 0.0246615 rau kev suav hauv SI units thiab 10.69 rau kev suav hauv USC units.
Yog tias koj xav paub ntau ntxiv txog cov lus qhia hnyav thiab cov sijhawm ntawm cov yeeb nkab hlau,nyem qhov no!
ASTM A179 Kev Ntsuas
Cov Cheebtsam Tshuaj
Txoj Kev Ntsuas: ASTM A450 Ntu 6.
| Cov Cheebtsam Tshuaj | |
| C(Cov pa roj carbon) | 0.06-0.18 |
| Mn(Manganese) | 0.27-0.63 |
| P(Phosphorus) | ≤0.035 |
| S(Xim av) | ≤0.035 |
Nws tsis raug tso cai muab cov qib alloy uas xav tau ntxiv lwm yam khoom dua li cov teev saum toj no.
Cov Khoom Tensile
Txoj Kev Ntsuas: ASTM A450 Tshooj 7.
| Cov Kev Xav Tau Tensile | ||
| Daim Ntawv Teev Npe | kev faib tawm | tus nqi |
| Lub zog tensile, feeb | KSI | 47 |
| MPa | 325 | |
| Lub zog tawm los, feeb | psi | 26 |
| MPa | 180 | |
| Kev ntev hauv 50 hli (2 hauv), feeb | % | 35 |
Kev Ntsuas Kom Sib Nqus
Txoj kev sim: ASTM A450 Ntu 19.
Kev Ntsuas Kub
Txoj kev sim: ASTM A450 Ntu 21.
Cov Lus Qhia Txog Kev Ntsuas: Kev ntsuas flaring yog ib qho kev ntsuas siv los ntsuas qhov yas deformability thiab tawg tsis kam ntawm cov khoom siv hlau, tshwj xeeb tshaj yog cov raj thaum raug rau cov txheej txheem flaring. Qhov kev ntsuas no feem ntau yog siv los ntsuas qhov zoo thiab kev haum ntawm cov raj, tshwj xeeb tshaj yog nyob rau hauv cov ntawv thov uas xav tau kev vuam, flaring lossis lwm yam kev ua tiav.
Kev Ntsuas Flange
Txoj Kev Ntsuas: ASTM A450 Ntu 22. Lwm Txoj Hauv Kev Ntsuas Flare.
Kev Paub Txog Kev Nthuav Dav: Feem ntau yog hais txog kev sim siv los ntsuas qhov kev hloov pauv yas thiab kev tawg ntawm cov hlau ntawv, yeeb nkab, lossis lwm yam khoom siv thaum lub sijhawm sib koom ua ke.
Kev Ntsuas Qhov Nyuaj
Txoj Kev Ntsuas: ASTM A450 Ntu 23. Qhov nyuaj yuav tsum tsis pub tshaj 72 HRBW.
HRBW: Tshwj xeeb yog hais txog Rockwell B Scale hardness test ua rau ntawm cov chaw welded.
Kev Ntsuas Siab Hydraulic
Txoj kev sim: ASTM A450 Ntu 24.
Kev Ntsuas Hluav Taws Xob Tsis Ua Rau Puas Tsuaj
Txoj kev sim: ASTM A450, Ntu 26. Lwm txoj hauv kev rau kev sim hydraulic.
ASTM A179 Cim
ASTM A179yuav tsum muaj lub npe ntawm tus neeg tsim khoom lossis lub npe hom, tus lej qhia meej, qib, thiab lub npe ntawm tus neeg yuav khoom thiab tus lej xaj khoom.
Daim cim tsis tas yuav tsum muaj hnub tim xyoo ntawm cov lus qhia no.
Rau cov raj uas tsawg dua 31.8 hli [1]1/4nyob rau hauv. ] hauv txoj kab uas hla thiab cov raj hauv qab 1 m [3 ft] ntev, cov ntaub ntawv xav tau yuav raug cim rau ntawm daim ntawv lo ruaj ntseg txuas rau lub pob khoom lossis lub thawv uas cov raj xa tuaj.
ASTM A179 Cov Qauv Tseem Ceeb
EN 10216-1
Daim Ntawv Thov: Cov kav hlau tsis muaj hlau rau lub hom phiaj siab nrog cov khoom kub hauv chav tshwj xeeb.
Daim ntawv thov tseem ceeb: Siv dav rau cov kav dej siab hauv kev lag luam roj av thiab tshuaj lom neeg.
DIN 17175
Daim Ntawv Thov: Cov kav hlau tsis muaj seamless rau kev siv thaum kub siab.
Cov ntawv thov tseem ceeb: Kev lag luam Boiler, cov khoom siv hloov pauv cua sov.
BS 3059 Tshooj 1
Daim Ntawv Thov: Seamless thiab welded steel kav rau kev siv ntawm qhov kub qis.
Cov ntawv thov tseem ceeb: cov hloov pauv cua sov, condenser.
JIS G3461
Daim Ntawv Thov: Cov pa roj carbon steel boiler thiab cov raj xa cua sov.
Cov ntawv thov tseem ceeb: cov cua sov sib pauv thiab cov kav dej boiler.
ASME SA 179
Daim Ntawv Thov: Yuav luag zoo ib yam li ASTM A179 rau cov hlau tsis muaj zog txias thiab cov raj condenser.
Daim ntawv thov tseem ceeb: Cov khoom sib pauv cua sov saum npoo av, cov condenser, thiab lwm yam.
ASTM A106
Daim Ntawv Thov: Seamless carbon steel tubing rau kev pabcuam kub siab.
Daim ntawv thov tseem ceeb: Cov kav dej siab rau roj av thiab tshuaj lom neeg lag luam ntawm qhov kub siab.
GB 6479
Daim Ntawv Thov: Cov yeeb nkab hlau tsis muaj zog siab rau cov khoom siv tshuaj lom neeg thiab cov kav dej.
Daim Ntawv Thov Tseem Ceeb: Cov kav dej siab rau kev lag luam tshuaj lom neeg.
Txog Peb
Botop Steel yog Tuam Tshoj Kev Tshaj Lij Welded Carbon Steel Pipes Chaw Tsim Khoom & Cov Neeg Muag Khoom Tshaj 16 Xyoos nrog 8000+ Tons Seamless Linepipe hauv Tshuag Txhua Lub Hlis. Yog tias koj xav paub ntau ntxiv txog peb cov khoom yeeb nkab hlau, koj tuaj yeem tiv tauj peb kom muab cov khoom lag luam zoo thiab cov kev pabcuam rau koj!
Cov cim npe: astm a179, astm a179 lub ntsiab lus,cov neeg muag khoom, cov chaw tsim khoom, cov chaw tsim khoom, cov neeg muag khoom, cov tuam txhab, lag luam wholesale, yuav, nqe, hais nqe, ntau, muag, nqi.
Lub sijhawm tshaj tawm: Lub Peb Hlis-27-2024