Molybdenum et Chromium Molybdenum Heat Resistant Steel Welding Electrode
R407
GB/T E6015-B3
AWS A5.5 E9015-B3
Descriptio: R407 est electrode margarititico calore resistens cum sodium humili hydrogenium continens 2.5% Cr - 1% Mo. Usus DCEP (electrode directo positivo) et in omnibus positionibus iungitur.Copulatio ante glutino CC~ CCC°C praecaveanda est.
Applicatio: Usus ad glutino summus temperatus et summus pressura tibiarum cum temperatura sub 550°C laborantis, machinis chemicis syntheticis, instrumento creptionis petroleum, etc.
Compositio chemica metallici solidi (%):
| C | Mn | Si | Cr | Mo | S | P |
| 0.05 ~ 0.12 | 0.50 ~ 0.90 | ≤0.50 | 2.00 ~ 2.50 | 0.90 ~ 1.20 | ≤0.030 | ≤0.030 |
Mechanica metallorum congeries;
| Test item | Distrahentes fortitudo Mpa | Cedat imperium Mpa | Prolongatio % | Valorem impulsum (J) Normalis Temp. |
| guaranteed | ≥590 | ≥490 | ≥15 | ≥47 |
| Expertus | 600 ~ 680 | ≥500 | 18 ~ 21 |
Diffusio hydrogenii contenti metalli depositi: ≤4.0mL/100g (glycerini methodus)
X-ray inspection: I gradus
Commendatur current:
| Rod diam mm） | 2.5 | 3.2 | 4.0 | 5.0 |
| Welding Current A） | 60 ~ 90 | 90 ~ 120 | 140 ~ 180 | 170 ~ 210 |
Animadverte:
1. Electrodum coquendum est per 1 horae 350℃ ante operationem glutinum;
2. Essentiale est mundare ferruginem, squamam olei, aquam et immunditias in partibus glutino ante glutino.
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