Cov khoom siv ASTM A928 yog dab tsi?
ASTM A928 yog tus qauv kev qhia tshwj xeeb rau hluav taws xob fusion welded (EFW) ferritic / austenitic (duplex) stainless hlau yeeb nkab npaj rau kev kub siab thiab kev pabcuam corrosive. Lawv npog ntau qib, xws li UNS S31803 thiab S32750, nrog kev sib ntxiv ntawm cov hlau muab tub lim, ua rau lawv zoo tagnrho rau kev lag luam xws li roj thiab roj, kev ua tshuaj lom neeg thiab petrochemicals.
ASTM A928 UNS S32750 EFW Pipe Supplier
ASTM A928 UNS S32750 EFW (Electrical Fusion Welded) Yeeb Nkab yog ib qho super duplex stainless hlau welded yeeb nkab, tsim tshwj xeeb rau huab cua corrosive ib puag ncig. Nws muaj duplex microstructure nrog kwv yees li 25% chromium, 7% npib tsib xee, 4% molybdenum thiab 0.3% nitrogen, combining siab mechanical zog nrog zoo corrosion kuj. Cov khoom no muaj qhov tsawg kawg nkaus lub zog ntawm 550 MPa, qhov tsawg kawg nkaus tensile zog ntawm 795 MPa thiab hardness txwv ntawm 310 HBW los yog 32 HRC. Nws yog dav siv nyob rau hauv seawater, desalination thiab tshuaj ua ib puag ncig.
Peb 2507 stainless hlau EFW kav yog tsim los ntawm ob sab welding nrog muab tub lim hlau. Kev siv cov hlau muab tub lim pab kom tswj tau qhov sib npaug ntawm ferrite / austenite theem hauv cov hlaws vuam. Kev kho annealing feem ntau yuav tsum tau; Txawm li cas los xij, nyob rau hauv qee qhov xwm txheej (xws li thaum siv cov khoom siv ua ntej annealed), kev kho cua sov yuav raug zam, muab kev kuaj corrosion ntxiv.
ASTM A928 Chav Kawm 1 UNS S32750 EFW Yeeb Nkab
GNEE tuaj yeem muab UNS S32750 alloy EFW welded yeeb nkab nrog sab nraud diameters xws li 1/2 "mus rau 24" (12.7-610 mm), phab ntsa thicknesses ntawm 1.6 mus rau 25.4 hli thiab ntev txog 6 meters, los yog nyob rau hauv kev cai qhov ntev. Peb tsuas yog muab ASTM A928 Chav Kawm 1 qib (ob chav vuam nrog cov hlau muab tub lim thiab 100% kev tshuaj xyuas hluav taws xob), lav qhov vuam ua haujlwm ntawm 1.0. Peb kuj muab cov qhab nia ntawm Chav Kawm 2 mus rau Chav Kawm 5 kom ua tau raws li ntau yam kev xav tau. Tsis tas li ntawd, peb muab kev txiav, beveling, dabtsi yog khoov thiab lwm yam kev ua haujlwm siab heev.
Hom Hluav Taws Xob Fusion Welded Yeeb Nkab EFW Duplex Steel ASTM A928 S32750
| Hom kawm | Vuam | Filler Hlau | Kev kuaj hluav taws xob |
|---|---|---|---|
| ASTM A928 Qib 1 | Muab ob npaug rau vuam nrog muab tub lim hlau | Yog lawm | 100% |
| ASTM A928 Qib 2 | Muab ob npaug rau vuam nrog muab tub lim hlau | Yog lawm | Tsis siv tau (NA) |
| ASTM A928 Qib 3 | Yooj yim vuam nrog muab tub lim hlau | Yog lawm | 100% |
| ASTM A928 Qib 4 | Yooj yim welding yam tsis muaj hlau muab tub lim | Tsis muaj kev koom tes (hauv paus pass yog ua) | 100% |
| ASTM A928 Qib 5 | Muab ob npaug rau vuam nrog muab tub lim hlau | Yog lawm | Los ntawm sampling (Spot) |
Chemical Composition EFW Duplex Steel Tube ASTM A928 S32750 (% los ntawm qhov hnyav)
| UNS tus lej | Qib Duplex | Yog Tsawg dua los yog sib npaug | Mn Tsawg dua lossis sib npaug | P Tsawg dua lossis sib npaug | Txiv neej | N | Cu Less tshaj los yog sib npaug | Lwm tus | S Tsawg dua los yog sib npaug | Cr | Tsis yog | C Tsawg dua los yog sib npaug | mo |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S32750 | 2507 | 0.80 ib | 1.20 | 0.035 ib | 2507 | 0.24-0.32 Nws | 0.50 ib | - | 0.020 ib | 24.0-26.0 Nws | 6.0-8.0 Nws | 0.030 Nws | 3.0-5.0 |
Tensile Strength thiab Elastic Limit EFW Tube ASTM A928 S32750
| UNS | Elastic txwv | Tensile zog |
|---|---|---|
| ASTM A928 NAS S32750 | 80Ksi / 550MPa | 116 Ksi / 800 MPa |
Kev kho cua sov EFW Tube ASTM A928 UNS S32750
| UNS | Qhov kub thiab txias |
|---|---|
| ASTM A928 NAS S32750 | 1880-2060℃F / 1025-1125 degree |
EFW SAW Tube Siab ntsuas ASTM A928 S32750
Kev faib tawm raws li European tus qauv EN 13480-3Dimensions: phab ntsa kam rau ua ± 10%, OD 6 hli x phab ntsa 1 hli
| Qib | Qhov siab tshaj plaws hauv siab (bar) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 20 degree | 50 degrees | 100 degrees | 150 degrees | 200 degrees | 250 degrees | 300 degrees | 350 degrees | 400 degrees | |
| 1.4410 (SAF 2507) | 1176 | 1176 | 1129 | 1047 | 988 | 952 | - | - | - |
EFW SA 928 UNS S32750 Tube Tolerance Table
| Sab nraud Dia (mm) | Tube End Tolerance | Tube lub cev kam rau ua |
|---|---|---|
| 219.1-273.1 | +1, 6mm, -0.4mm | ± 0.75% |
| 274.0-320 Nws | +2, 4mm, -0.8mm | ± 0.75% |
| 323.9-457 | +2, 4mm, -0.8mm | ± 0.75% |
| 508 | +2, 4mm, -0.8mm | ± 0.75% |
| 559-610 : kuv | +2, 4mm, -0.8mm | ± 0.75% |
Ntawm GNEE, cov neeg yuav khoom ntawm UNS S30400 yeeb nkab tuaj yeem sib piv qhov ntev, cov ntaub ntawv kev tshaj lij thiab cov npe ntawm cov npe nrov 2507 stainless hlau yeeb nkab manufacturers hauv Suav teb thiab Europe. Thov ib daim ntawv tsocai pub dawb hnub no!
HS Code Tube EFW A928 UNS S32750
| Qeb | HS code | Kev piav qhia |
|---|---|---|
| Sab nraud txoj kab uas hla Tsawg dua los yog sib npaug li 406.4 hli | 7306.40.00 Nws | Welded hollow hlab thiab profiles, nrog ncig seem, ua los ntawm stainless hlau. |
| Sab nraud txoj kab uas hla > 406.4 mm | 7305.11.00 Nws | Lwm cov raj ntawm lub voj voog, sab nraud txoj kab uas hla ntau dua 406.4 hli, hlau lossis hlau, longitudinally arc-welded. |
Vim li cas xaiv ASTM A928 hloov A790 rau S32750?
Cov caiASTM A928 Cov Lus Qhia Tshwj XeebNws yog tsim tshwj xeeb rau cov rajEFW (Electric Fusion Vuam)nrog cov khoom siv nkag, zoo tagnrho rau cov diameters loj uas tsis muaj seamless raj los yog muaj nqi siab. Ntawm qhov tod tes,ASTM A790 Cov Lus Qhia Tshwj Xeebnpog ob leeg seamless thiab nws tus kheej-welded hlab (feem ntau tsis muaj muab tub lim).
Kev Tswj Xyuas Zoo thiab Kev Xeem
| Hom kev xeem | Txheem / Txoj Kev |
|---|---|
| Kev ntsuas hluav taws xob (RT) | ASME BPVC Tshooj V |
| Hydrostatic Test | ASTM A999 Txuj |
| Ferrite Content Test | ASTM E562 / FischerScope |
| Corrosion Test | ASTM G48 Txoj Kev A |
| Microstructure | ASTM E112 |
Ntim thiab shipping
Ntim: Txhua lub raj yog qhwv hauv daim ntawv tsis muaj dej noo, npog nrog zaj duab xis yas thiab ruaj nrog cov hlua hlau. Cov txheej txheej sab nrauv yog tiv thaiv los ntawm cov pallets lossis cov thawv ntoo kom muaj kev nyab xeeb thaum caij tsheb mus los thoob ntiaj teb.
Kos npe: Txhua pob muaj cov ntaub ntawv hais txog tus lej cam khwb cia, qib, qhov ntev thiab cov qauv siv tau.
Lub sij hawm xa tuaj: Feem ntau 7-15 hnub ua haujlwm thaum tau txais cov nyiaj them ua ntej.
