E71T-GS Tus Kheej-Shielded Flux-Cored Hlau
E71T-GS Gasless Flux-Cored Vuam Hlau
E71T-GS yog tus kheej-shielded (gasless) flux-cored carbon steel vuam hlau tsim tshwj xeeb rau ib leeg- hla vuam hauv txhua txoj haujlwm. Ua raws li tus qauv AWS A5.20, cov hlau no ua rau nws tus kheej tiv thaiv cov roj av sab hauv los ntawm nws cov tub ntxhais flux thaum lub sij hawm vuam txheej txheem, yog li tshem tawm qhov xav tau rau sab nraud roj thooj voos kheej kheej, kev tswj lub siab, thiab cov hose sib dhos. Yog li ntawd, E71T-GS tau dhau los ua tus qauv siv tau rau cov xaim xaim xaim- pub vuam thiab siv dav hauv ib puag ncig uas muaj roj- thaiv vuam tsis zoo{12}} xws li chaw sab nraum zoov, chaw ua haujlwm, thiab kev cob qhia.
E71T-GS vuam hlau ua tiav lub zog tensile yam tsawg kawg nkaus ntawm 70,000 PSI (480 MPa) thiab ua kom ruaj khov arc nrog tsawg spatter thaum vuam. Tau tshaj me me 110V / 120V lossis 230V MIG welders, nws tso cai rau cov vuam ntawm cov dav dav thiab cov qauv qis- carbon steels hauv hom tsis siv roj (FCAW-S)- yam tsis tas yuav tsum muaj lub tog raj kheej roj sab nraud- yielding muaj zog thiab ruaj ntseg.
Cov yam ntxwv tseem ceeb ntawm E71T-GS Hlau
- Tsis muaj Shielding Gas yuav tsum tau:Pab kom muaj tseeb gasless ua haujlwm; tus kheej -shielded flux-cored hlau tsim nws tus kheej tiv thaiv huab cua.
- Tag nrho -Txoj Haujlwm Vuam:Txhawb nqa ncaj nraim, kab rov tav, ntsug- nce, thiab hla lub taub hau vuam txoj haujlwm, nrog kev ruaj khov thiab txhim khu kev qha weld pas dej ua ke tswj.
- AWS A5.20:Ua tau raws li cov kev qhia tshwj xeeb zoo ib yam li E71T-GS cov khoom lag luam los ntawm txhua hom kev lag luam hauv khw.
- 110V / 230V Tau tshaj:Ob qho tib si 0.030 "thiab 0.035" hlau qhov ntau thiab tsawg yog tsim los siv nrog MIG vuam siv los ntawm cov khoom siv hauv tsev.
- Siab Cua Resistance:Tus kheej-tsim tiv thaiv huab cua muaj kev tiv thaiv zoo tshaj plaws rau cua thiab cov qauv piv rau roj-shielded MIG vuam.
- Yam tsawg kawg nkaus Spatter:Features ib tug du arc hloov, ua rau tsawg kawg nkaus ncej-weld cleanup.
- Ib qho yooj yim Slag Tshem Tawm:Lub slag yog nyias, lub teeb, thiab nws tus kheej -peeling, ua kom yooj yim thiab yooj yim pom kev soj ntsuam ntawm weld seam.
E71T-GS Specifications
| Khoom | Tus nqi |
|---|---|
|
AWS Classification |
AWS A5.20 E71T-GS |
|
Hom hlau |
Self-shielded flux-cored (FCAW-S) |
|
Tiv thaiv Gas |
Tsis muaj - gasless |
|
Polarity |
DCEN (DC Electrode Negative) |
|
Vuam txoj hauj lwm |
Tag nrho (F, H, V-up, OH) |
|
Pass txwv |
Ib zaug -pass |
|
Base hlau |
Cov hlau me me, qis- carbon steel (A36, A53, A500) |
|
Tensile zog |
Ntau dua lossis sib npaug rau 70,000 PSI (480 MPa) |
|
Yield zog |
Ntau dua lossis sib npaug rau 58,000 PSI (400 MPa) |
|
Elongation |
Ntau dua lossis sib npaug li 22% |
E71T-GS Chemical Composition
| Element | Hom (%) |
|---|---|
|
C |
0.10–0.20 |
|
Mn |
0.50–0.80 |
|
Si |
0.20–0.40 |
|
Al |
0.50–2.50 |
E71T-GS Polarity
DCEN yog qhov yuav tsum tau ua
E71T-GS yuav tsum tau siv DC rov qab polarity (piv txwv li, lub electrode txuas nrog lub davhlau ya nyob twg tsis zoo), uas feem ntau hu ua "ncaj polarity." Nyob rau hauv no configuration, lub vuam hlau lead yuav tsum tau txuas nrog rau qhov tsis zoo davhlau ya nyob twg ntawm lub hwj chim qhov chaw, thaum lub hauv av clamp yuav tsum tau txuas nrog lub zoo davhlau ya nyob twg.
| Polarity | E71T-GS Performance |
|---|---|
|
DCEN (yog) |
Smooth arc, tsawg spatter, zoo shielding, suab weld |
|
DCEP (tsis ncaj ncees lawm) |
Ntau dhau spatter, erratic arc, porosity, tsis zoo shielding |
Daim ntawv thov
Ua liaj ua teb & Ranch
Cov cuab yeej siv thiab siv kev kho
Cov cuab yeej siv tsiaj txhu (chutes, panels, feeders)
Tsheb laij teb thoob, hniav, thiab txuas welds
Barn qauv thiab fencing kho
Kev tsim kho lub teeb & HVAC
Steel stud txuas thiab embed daim hlau
Ductwork brackets thiab hangers
Tsis yog - kev txuas txuas vuam
Cov khoom siv mounting daim hlau thiab cov ntaub qhwv
Field & Sab nraum zoov Kho
Ntawm - kho cov cuab yeej siv qhov chaw uas tsis muaj roj
Sab nraum zoov vuam hauv cua - tsis muaj roj cua tshuab-txoj kev txhawj xeeb
Kev kho mob xwm txheej kub ntxhov ntawm qhov chaw tsim kho
Mobile vuam kev pab cuam
Automotive & Tawm -Txoj Kev
Lub tsheb siv hluav taws xob thiab ATV ncej txhawb nqa
Roll cage gussets thiab bracing (tsis yog-certified)
Tshem tawm cov hangers, cov thawv ntim khoom, thiab cov khoom tsim tawm
Trailer pem teb thiab hla - kev kho cov tswv cuab
E71T-GS vs ER70S-6: Gasless vs Gas-Shielded MIG Hlau
| Qhov xwm txheej | E71T-GS (Gasless Flux Core) | ER70S-6 (Tshuaj MIG Hlau) |
|---|---|---|
|
Tiv thaiv |
Tus kheej- tiv thaiv - tsis muaj roj |
75Ar / 25CO₂ lossis 100% CO₂ |
|
Polarity |
DCEN |
DCEP |
|
Khoom siv |
Hlau feeder nkaus xwb |
Hlau feeder + lub tog raj kheej + regulator |
|
Cua Tolerance |
Zoo heev |
Cov pa phem - cua cuam tshuam los ntawm cua |
|
Spatter |
Nruab nrab |
Tsawg |
|
Slag |
Yog - lub teeb, tshem tau |
Tsis muaj slag |
|
Bead Appearance |
Me ntsis rougher |
Smooth, huv si |
|
Ntau-Pass |
Tsis yog (ib zaug -pass) |
Yog lawm |
|
Portability |
Qhov siab tshaj plaws |
Txwv los ntawm kev teeb tsa roj |
|
Hlau Nqi |
Siab dua rau lb |
Tsawg dua ib lb (ntxiv rau tus nqi roj) |
|
Zoo tshaj rau |
Sab nraum zoov, teb, DIY, portable |
Khw, ntau lawm, code ua haujlwm |
Xaiv E71T-GS thaum koj xav tau kev txav mus los, ua haujlwm sab nraum zoov, ntsib cua daj cua dub, lossis siv lub tshuab 110V welder uas tsis muaj peev xwm tiv thaiv roj.
Xaiv ER70S-6 thaum koj ua haujlwm sab hauv tsev, yuav tsum tau ua ntau-thov vuam, yuav tsum tau ua raws li txoj cai weld zoo, los yog ua kom pom qhov zoo ntawm vuam.
Vuam Cov Tswv Yim rau E71T-GS
- Ib txwm siv "txuas" (lossis rub) cov txheej txheem: Khaws lub kaum sab xis ntawm 15-30℃. Tsis txhob siv cov txheej txheem "push" thaum welding nrog flux-cored xaim- thawb ua rau slag ntws ua ntej ntawm lub pas dej ua ke, ua rau slag suav nrog thiab porosity tsis xws luag.
- Hlau Stickout (Extension): 12-20 mm. Qhov kev ncua deb yuav tsum tau nruab nrab ntawm qhov kev sib cuag thiab cov khoom ua haujlwm rau tus kheej -shielded Flux-Cored Arc Vuam (FCAW) ntev tshaj qhov yuav tsum tau rau Khoom-Wire Gas Metal Arc Vuam (MIG). Ib daim nplaum uas luv dhau yuav ua rau muaj kev sib tsoo ntau dhau; ib qho uas ntev dhau lawm yuav ua rau qhov tsis ruaj khov.
- Vertical-Up Vuam: Txo cov xaim pub ceev thiab vuam qhov hluav taws xob los ntawm kwv yees li 15% piv rau tiaj tus- txoj haujlwm vuam. Siv ib daim duab peb sab los yog me me "Z" weaving txheej txheem, ncua luv luv ntawm cov npoo ntawm cov hlaws dai (cov ntiv taw) kom ntseeg tau tias kev sib xyaw kom zoo.
- Nyias-Plate Welding: Xaiv 0.030-inch (kwv yees . 0.76 mm) txoj kab uas hla hlau thiab teeb tsa lub tshuab vuam rau qhov qis tshaj. Kev siv lub nrawm nrawm ua ke nrog txoj kab ncaj nraim - kab hlaws (cov hlaws nqaim) tiv thaiv kom tsis txhob hlawv- dhau ntawm cov phaj nyias nyias.
- Gap Bridging: Ua tsaug rau qhov kev txhawb nqa ntawm cov slag, E71T-GS flux-cored xaim ua tau zoo dua li cov xaim hlau thaum txuas qhov khoob. Rau cov workpieces nrog lub hauv paus qhov sib txawv ntawm 2 hli (1/16 nti) los yog tsawg dua, me ntsis txo cov xaim pub ceev kom tso cai rau lub pas dej sib txuas rau ib txwm txuas thiab sau qhov sib txawv.
Cia thiab tuav
- Thov khaws E71T-GS hauv nws qhov qub, ntim ntim (ntawm chav tsev kub thiab cov av noo ntawm <60%).
- Thaum qhib, yog tias tsis siv cov hlua hlau tam sim ntawd, thov muab tso rau hauv lub hnab yas kaw lossis qhwv kom ruaj ntseg.
- Cov dej paug ntawm cov vuam hlau tuaj yeem ua rau porosity hauv cov hlaws vuam; Yog hais tias lub spool tau raug rau ib qho chaw ntub dej, thov pov tseg cov txheej txheej ntawm cov hlau uas tau nqus dej noo.
- Tsis txhob sim ua kom cov flux-cored xov hlau, vim tias qhov kub thiab txias yuav ua rau cov tshuaj lom neeg muaj pes tsawg leeg ntawm cov tub ntxhais flux.
- Thov siv lub knurled V-groove tsav yob (ntau dua li V-groove) kom tuav tau zoo ntawm cov xaim tubular thaum tiv thaiv nws los ntawm flattened.
- Xyuas kom meej tias cov specifications ntawm cov hlau liner phim txoj kab uas hla ntawm vuam hlau; ib lub liner loj tuaj yeem ua rau tsis ruaj tsis khov hlau noj.
FAQ
Q: Dab tsi yog cov ntawv thov tseem ceeb rau E71T-GS vuam hlau?
A: E71T-GS yog cov roj tsis muaj roj (tus kheej-shielded) flux-cored vuam hlau tsim tshwj xeeb rau ib leeg- hla vuam ntawm qis- cov pa roj carbon thiab cov pa roj carbon dav dav. Nws yog cov khoom siv zoo tshaj plaws rau cov neeg nyiam DIY, kev ua liaj ua teb, kev kho vaj tse, thiab kev tsim cov khoom siv hluav taws xob siv cov khoom siv hluav taws xob MIG welders-tshwj xeeb tshaj yog nyob rau hauv cov xwm txheej uas thaiv cov roj tsis muaj lossis tsis yooj yim siv.
Q: Puas yog E71T-GS vuam hlau yuav tsum muaj cov roj thaiv thaiv?
A: Tsis yog. E71T-GS yog tus kheej-shielded hlau; cov flux uas muaj nyob rau hauv nws cov core generates qhov tsim nyog shielding gas thaum lub vuam txheej txheem. Yog li ntawd, tsis tas yuav tsum muaj lub tog raj kheej roj, cov tswj lub siab, lossis cov roj hoses. Qhov no suav nrog nws qhov txiaj ntsig tseem ceeb ntawm cov khoom siv MIG cov xov hlau (xws li ER70S-6), uas feem ntau xav tau cov khoom siv sab nraud ntawm 75% Argon / 25% Carbon Dioxide (75Ar / 25CO₂) lossis cov pa roj carbon dioxide ntshiab (100% CO₂) ua cov roj tiv thaiv.
Q: Qhov chaw polarity yuav tsum tau ua rau E71T-GS vuam hlau?
A: DCEN (Direct Current Electrode Negative). Qhov no txhais tau hais tias cov vuam hlau txuas nrog qhov tsis zoo (-), thaum lub workpiece (hauv av clamp) txuas nrog lub davhlau ya nyob twg zoo (+). Kev siv DCEP tsis raug (Direct Current Electrode Positive- feem ntau yog siv rau cov khoom siv MIG cov xov hlau) yuav ua rau muaj kev sib tsoo ntau dhau thiab ua rau muaj kev cuam tshuam loj ntawm cov khoom siv vuam zoo. Nws yog ib qho tseem ceeb kom ua tib zoo xyuas thiab kho qhov vuam polarity thaum twg hloov ntawm cov xaim thiab cov flux-cored xov hlau.
Q: Qhov txawv ntawm E71T-GS .030 thiab .035 qauv yog dab tsi?
A: Cov lej no qhia txog cov kab uas hla (hauv nti) -tshwj xeeb yog 0.030 ntiv tes (kwv yees . 0.8 hli) thiab 0.035 ntiv tes (kwv yees . 0.9 hli). E71T-GS .030 hlau yog zoo dua rau vuam cov ntaub ntawv thinner los yog siv nrog 110V welders uas muaj cov zis tam sim no. E71T-GS .035 yog qhov muaj ntau yam thiab universal tag nrho-nyob ib ncig ntawm kev xaiv; Txawm tias ua ke nrog 110V lossis 230V welder, nws muaj peev xwm tuav tau ntau yam ntawm cov khoom thicknesses. Thov xaiv tus qauv tsim nyog raws li cov lus pom zoo ntawm cov kab kab uas hla uas tau teev tseg hauv phau ntawv qhia rau koj tus welder tshwj xeeb.
Q: Puas tuaj yeem E71T-GS vuam hlau siv rau cov qauv vuam lossis "Code Vuam" cov haujlwm (vuam uas yuav tsum ua raws li cov cai tshwj xeeb)?
A: Tsis yog. E71T-GS hlau tsuas yog tsim rau ib zaug xwb- hla vuam thiab tsuas yog txwv rau kev siv, "Tsis yog-code" daim ntawv thov. Rau ntau- kis welds tswj hwm los ntawm AWS D1.1, ASME, lossis lwm yam qauv qauv, koj yuav tsum siv E71T-11 (tus kheej-shielded, multi-pass peev, cuam tshuam- kuaj) lossis E71T-1 (gas-shielded).
Q: Dab tsi yog "GS" hauv E71T-GS sawv cev rau?
A: G=Cov yam ntxwv ntawm kev khiav hauj lwm dav dav (txhais los ntawm cov chaw tsim khoom es tsis yog kev faib cov kev siv tau ruaj khov los ntawm AWS). S=Ib leeg- dhau nkaus xwb. Ua ke, lub npe "-GS" qhia txog qhov dav dav - lub hom phiaj, ib zaug - dhau- tsuas yog flux- cored vuam hlau.
Q: Puas yog E71T-GS thiab E71T-11 tib yam?
A: Tsis yog, lawv tsis yog. E71T-11 yog ib lub xaim haum rau ntau- hla vuam uas tau dhau los ua qhov kev sim; nws ua tau raws li qhov xav tau ntawm AWS nruj dua thiab tuaj yeem siv rau cov phiaj xwm vuam uas yuav tsum ua raws li cov qauv txheej txheem. E71T-GS, ntawm qhov tod tes, tsuas yog txwv rau ib zaug xwb-thov vuam, tsis muaj kev cuam tshuam rau kev xeem, thiab tsis tuav cov cai-tsim kev faib tawm. Txawm hais tias E71T-11 kim dua, nws cov peev txheej ntawm daim ntawv thov thiab lub peev xwm muaj ntau dua.
Q: Vim li cas kuv thiaj li tsim tawm ntau dhau thaum vuam nrog E71T-GS?
A: Muaj peb qhov laj thawj tseem ceeb: (1) Kev teeb tsa polarity tsis raug -koj yuav tsum siv Direct Current Electrode Negative (DCEN) es tsis yog Direct Current Electrode Positive (DCEP) (qhov no ib leeg tuaj yeem daws teeb meem feem ntau); (2) Cov hlau nplaum tsis txaus-qhov no yuav tsum tau nce mus rau 15-20 mm; (3) Vuam voltage siab dhau -qhov no yuav tsum tau txo los ntawm 1-2V. Thov nco ntsoov xyuas thiab paub meej tias qhov chaw polarity yog qhov tseeb ua ntej.
Q: Kuv puas tuaj yeem siv E71T-GS los vuam stainless hlau lossis txhuas?
A: Tsis yog. E71T-GS yog tsim rau vuam carbon steel xwb. Yog tias koj xav tau vuam stainless hlau, thov siv E308LT lossis E316LT flux-cored xov hlau. Yog tias koj xav tau welding aluminium, koj yuav tsum siv rab phom spool ua ke nrog cov roj ntshiab argon tiv thaiv, thiab xaiv ER4043 lossis ER5356 cov xov hlau.
Q: Puas yog E71T-GS tuaj yeem hloov pauv rau cov khoom lag luam flux-cored xov hlau tam sim no hauv khw?
A: Yog. E71T-GS yog ib qho kev faib hluav taws xob uas txhais tau meej meej hauv AWS A5.20 tus qauv. Muab hais tias E71T-GS cov khoom ua raws li tus qauv no-Txawm li cas los xij ntawm cov chaw tsim khoom- nws cov tshuaj muaj pes tsawg leeg thiab cov khoom siv tshuab yuav tsum ua tau raws li qhov xav tau tsawg kawg nkaus. Peb E71T-GS tuaj yeem hloov pauv txhua lub npe ntawm E71T-GS hlau ntawm tib txoj kab uas hla.
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