JQ.ER307 stainless hlau gas-shielded khoom hlau
Daim ntawv thov
Nws yog siv nyob rau hauv tshwj xeeb lub sij hawm uas yuav tsum tau tsis-magnetic zog xws li nuclear submarines thiab bulletproof steel daim hlau, thiab kuj yuav siv tau rau welding ntawm dissimilar steels uas nyuaj rau welding thiab yooj yim rau tawg.
Vuam hlau tshuaj muaj pes tsawg leeg (Wt%)
Qauv | Vuam hlau tshuaj muaj pes tsawg leeg (Wt%) |
| ||||||||
C | Mn | Si | Cr | Ni | Mo | P | S | Cu | Lwm yam | |
JQ.ER307 | 0.078 ib | 4.50 Nws | 0.41 ib | 20.15 Nws | 9.52 ib | 0.95 ib | 0.013 ib | 0.008 ib | 0.34 ib | - |
Khoom ua haujlwm
Ua raws (sib npaug) qauv qauv | Ib qho piv txwv ntawm lub cev muaj zog ntawm cov hlau tso nyiaj (nrog SJ601) | ||
GB | AWS | Tensile zog MPa | Elongation% |
S307 | TIAB SA 307 | 621 ib | 38.0 Nws |
Cov khoom siv vuam siv tam sim no (AC lossis DC +)
Hlau txoj kab uas hla (mm) | ¢ 0.8 | ¢ 1.0 | ¢ 1.2 | |
Vuam tam sim no (A) | Flat welding, kab rov tav vuam | 70-150 : kuv | 100-200 | 140-220 : kuv |
ntsug vuam | 50-120 | 80-150 | 120-180 Nws | |
Overhead welding | 50-120 | 80-150 | 160-200 Nws |
Khoom Specifications
Hlau txoj kab uas hla | ¢ 0.8 | ¢ 1.0 | ¢ 1.2 |
Pob hnyav | 12.5Kg / daim | 15Kg / thooj | 15Kg / thooj |
Kev ceev faj rau kev siv cov khoom
1. Shielding roj: Ua tib zoo saib xyuas qhov purity ntawm cov roj shielding, thiab cov roj sib xyaw pom zoo yog Ar + 1-3% O2.
2.Gas ntws: 20-25L / min.
3.Qhuav elongation: 15-25mm.
4.Tiag tshem tawm cov xeb txheej, noo noo, roj, plua plav, thiab lwm yam ntawm qhov vuam.
5. Thaum lub sij hawm vuam sab nraum zoov, thaum cua ceev yog siab tshaj 1.5m / s, yuav tsum tau ntsuas windproof, thiab tsim nyog windproof ntsuas yuav tsum tau coj los tiv thaiv qhov tshwm sim ntawm blowholes.
Cov lus qhia saum toj no tsuas yog siv rau kev siv xwb, thiab qhov xwm txheej tiag tiag yuav muaj yeej hauv kev ua haujlwm tshwj xeeb.Yog tias tsim nyog, cov txheej txheem tsim nyog yuav tsum tau ua ua ntej txiav txim siab txoj kev npaj vuam.