ASTM A423 Qib 1 welded steel rajtus neeg muag khoom. Tag nrho cov lus qhia tshwj xeeb, tshuaj muaj pes tsawg leeg, cov khoom siv kho tshuab, thiab corrosion- cov ntawv siv tiv taus. Tiv tauj peb rau qhov tseeb A423 Qib 1 welded raj nqe teev.
Puas yog koj tab tom nrhiav ASTM A423 Qib 1 welded steel raj rau boilers, cua preheaters, lossis kev siv siab siv? Gnee yog cov chaw tsim khoom thiab chaw muag khoom muab ASTM A423 / A423M & ASME SA423 / SA423M Qib 1 welded thiab seamless raj.
ASTM A423 Qib 1 welded steel raj
Cov qis- alloy steel raj no yog tsim los rau siab corrosion kuj, zoo heev mechanical zog, thiab ntev -lub sij hawm durability. Lawv tau siv dav hauv siab- muaj cov khoom siv, cov khoom siv nyiaj txiag, cov chav boilers, thiab cua preheater units, kom ntseeg tau tias muaj kev ntseeg siab hauv ob qho tib si kev lag luam thiab kev siv fais fab nroj tsuag.
ASTM A423 Qib 1 Welded Tube Specifications
| Khoom | Specification |
|---|---|
| Txuj | ASTM A423 / A423M ASME SA423 / SA423M |
| Tube Hom | Seamless / Hluav taws xob-Welded (ERW) |
| Rolling Hom | Kub Rolled / Cold forming |
| Phab ntsa Thickness | 0.9mm-12.7 hli |
| Sab nraud Diameter (OD) | 12.7mm - 127 hli |
| Ntev | 500mm-18000mm |
| Xaus | Plain, Bevelled, Burr -dawb |
| Kev kho saum npoo | Dub, Varnish, Pickling, Txhaj Tshuaj Blasting |
| Kev cai txiav | CNC txiav ib tus neeg kos duab |
Mechanical Properties ntawm ASTM A423 Qib 1 Welded Tube
| Qib | Yield zog (MPa) Min | Tensile zog (MPa) Min | Elongation (%) Min |
|---|---|---|---|
| A423 Qib 1 | 255 | 415 | 25 |
Cov khoom no ua kom ntseeg tau tias ASTM A423 Qib 1 welded raj tuaj yeem tiv taus siab - siab thiab siab - qhov kub thiab txias, muab kev pab lub neej ntev - nrog kev saib xyuas tsawg.
Tshuaj muaj pes tsawg leeg ntawm ASTM A423 Qib 1 Welded Tube
| Element | Max / Min % |
|---|---|
| C | 0.15 |
| Si | 0.10 min |
| Mn | 0.55 |
| P | 0.06–0.16 |
| S | 0.06 |
| Cu | 0.20–0.60 |
| Cr | 0.24–1.31 |
| Ni | 0.20–0.70 |
Qhov sib npaug tshuaj muaj pes tsawg leeg txhim kho corrosion kuj thiab weldability, ua rau cov raj tsim nyog rau industrial boiler thiab cov khoom siv siab.
Daim ntawv thov ntawm ASTM A423 Qib 1 Welded Tube
- Chav Tsim Boilers - siab -kub corrosion- cov kav dej
- Cua Preheater (APH) Units - thermal efficiency hauv fais fab nroj tsuag
- Economizers – ntev - lub sij hawm durability nyob rau hauv siab
- Industrial Chemical Plants - resistant rau acidic thiab corrosive ib puag ncig
- Fossil Fuel & Cogeneration Plants - kev ua haujlwm nyab xeeb nyob rau hauv thermal stress
Cov welded raj no kuj tseem siv rau hauv cov hlab ntsha siab, cov khoom siv hluav taws xob, thiab lwm yam khoom siv tseem ceeb, ua kom muaj kev nyab xeeb thiab kev ntseeg siab hauv kev lag luam hnyav.
Quality Assurance & Services
- Hydrostatic testing los yog nondestructive electric testing
- Mill Test Certificate (EN 10204 Hom 3.1 / 3.2)
- CNC txiav raws li kos duab
- Kev tiv thaiv nto nrog txhaj tshuaj blasting, pickling, kua roj vanish
- Bevelled los yog dawb xaus rau kev yooj yim installation
Gnee xyuas kom meej tias txhua lub raj ua tau raws li cov txheej txheem thoob ntiaj teb, muab kev thaj yeeb nyab xeeb rau cov thawj tswj hwm thiab cov kws tsim khoom.
ASTM A423 Qib 1 welded steel hlab yog zoo tagnrho rau siab -siab, corrosion- resistant daim ntaub ntawv nyob rau hauv boilers, economizers, thiab cua preheater units. Gnee muab cov khoom npaj txhij, tag nrho cov lus qhia tshwj xeeb, thiab cov kev daws teeb meem rau koj qhov kev xav tau.
Tiv tauj peb rau qhov tseeb ASTM A423 Qib 1 welded raj nqe npe thiab Tshuag muaj.
Tiv tauj peb rau qhov tseeb ASTM A423 Qib 1 welded raj nqe teev
Cov tshuaj muaj pes tsawg leeg ntawm ASTM A423 Qib 1 yog dab tsi?
Cov tshuaj muaj nyob rau hauv A423 Gr 1 qib yog carbon, phosphorus, manganese, sulfur, tooj liab, thiab silicon. Cov ntsiab lus siab ntawm carbon, manganese, thiab sulfur muab kev txhim kho oxidation tsis kam, pitting tsis kam rau ib puag ncig acidic, crevice kuj, thiab kev ntxhov siab corrosion cracking kuj.
Dab tsi yog cov khoom siv SA 423?
ASTM A423 Weathering Steel Pipes Gr. 1 yog nrov siv hauv cov duab puab sab nraum zoov. ASTM A423 Corten Steel Tubes Qib 1 kuj tseem siv rau hauv choj thiab lwm yam kev siv loj. Cov tshuaj muaj nyob rau hauv Corten steel raj no yog carbon, phosphorus, manganese, sulfur, tooj liab, silicon.
Dab tsi yog qhov ntau thiab tsawg ntawm ASTM A423 kav?
ASTM A423 cov kav dej muaj nyob rau hauv ntau yam txheej sab nraud, phab ntsa tuab, thiab ntev, nyob ntawm seb lawv puas seamless lossis welded. Tus qauv npog nominal yeeb nkab qhov ntau thiab tsawg ntawm 1/8 nti mus rau 24 ntiv tes, nrog phab ntsa thickness thiab ntev sib txawv raws li daim ntawv thov.
Dab tsi yog cov yam ntxwv ntawm ASTM A423 kav dej?
Cov kav dej no yog tsim los rau siab -kev siv kub thiab yog li ntawd muaj zog tensile siab, yield zog, thiab creep kuj. Cov khoom muaj xws li lub zog tensile ntawm 415-550 MPa, yield zog ntawm 205-275 MPa, thiab elongation haum rau kev tsim thiab vuam. Tus nqi tseeb nyob ntawm seb cov yeeb nkab qib thiab phab ntsa thickness.
ASTM A423 cov kav dej feem ntau siv nyob qhov twg?
ASTM A423 kav dej yog dav siv hauv boilers, tshav kub exchangers, superheaters, thiab cov khoom siv fais fab nroj tsuag. Lawv yog cov zoo tagnrho rau cov kav dej uas nqa siab -kub chav, dej kub, los yog gases, qhov twg corrosion kuj thiab seem stability nyob rau hauv tshav kub yuav tsum tau.
