GMAW Silig Adag AWS ER70S-6 CO2 migsilig alxanka
CODSIGA:
Loo isticmaalo alxanka 500MPa birta daawaha hoose ee hal iyo alxanka baasaska badan;sidoo kale loogu talagalay taarikada khafiifka ah ee xawaaraha sare leh, alxanka birta ee birta.
Ku habboon alxanka gacanta, alxanka tooska ah iyo alxanka robotka, sida mashiinnada saliidda, mashiinnada wiishashka culus, weelasha cadaadiska,
weelasha kiimikaad saliidda, jirka markabka,, dhismaha birta dhismaha, iwm.
Tilmaamaha:
Siligan GMAW waxa loogu talagalay birta kaarboon heerka Rm 500MPa oo leh gaaska gaashaan ee CO2 ama M21.
Spatter yar, muuqaal qurux badan, hufnaanta meel dhigista sare iyo dareenka porosity biraha alxanka yar.Dhammaan jagooyinka waa ku habboon yihiin.
FIIRO GAAR AH:
1. miridhka, saliida, biyaha iyo wasakhda kale ee meesha alxanka ku jirta waa in meesha laga saaraa ka hor alxanka.
2. Qalabka farsamada ee dhammaan biraha alxanka waxaa lagu go'aamiyaa kulaylka, sida caadiga ah kuleyliyaha yar yar wuxuu ka fiicnaan doonaa mid ka weyn.
MEELAHA ALXANKA: PA, PB, PC, PD, PE, PF
Halabuurka kiimikada ee siliga alxanka (jajab tiro):%
| Walxaha | C | Mn | Si | S | P | Ni | Cr | Mo | V | Cu |
| Qiimaha caadiga ah | 0.06-0.15 | 1.40-1.85 | 0.80-1.15 | ≤0.025 | ≤0.025 | ≤0.15 | ≤0.15 | ≤0.15 | ≤0.03 | ≤0.50 |
| Kiis qiimo leh | 0.08 | 1.50 | 0.89 | 0.012 | 0.013 | 0.03 | 0.02 | 0.002 | 0.003 | 0.11 |
X – Helitaanka Ray: Fasalka II
Qalabka makaanikada ee birta la shubay: (CO2)
| Walxaha | Xoog xajin Rm/MPa | Xoog-soo-saarkaRel/Rp0.2 MPa | DheerayntaA/% | Charpy V-notch saamaynta tamartaKV2(J) -30 ℃ |
| Qiimaha caadiga ah | ≥500 | ≥420 | ≥22 | ≥27 |
| Kiis qiimo leh | 560 | 450 | 26 | 108 |
Tixraaca alxanka hadda: (DC +)
| Ddhexroor (mm) | 0.8 | 1.0 | 1.2 | 1.6 |
| Alxanka hadda (A) | 50-180 | 70-230 | 80-350 | 120-500 |
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Hore: Xadhkaha alxanka aan dahaarka lahayn ee AWS ER70S-6 Xiga: GMAW Solid Wire AWS A5.18 ER70S-G CO2 Mig Welding Wire
