Molybdenum da Chromium Molybdenum Heat Resistant Karfe Welding Electrode
R407
GB/T E6015-B3
AWS A5.5 E9015-B3
Bayani: R407 ne mai pearlitic zafi-resistant karfe electrode tare da low-hydrogen sodium shafi dauke da 2.5% Cr - 1% Mo. Yi amfani da DCEP (kai tsaye halin yanzu lantarki tabbatacce) kuma zai iya welded a duk matsayi.Kafin waldawa, dole ne a fara zafi zuwa 200 ~ 300 ° C.
Aikace-aikace: An yi amfani da shi don walƙiya high-zazzabi da high-matsi bututu tare da aiki zafin jiki a kasa 550 ° C, roba sinadaran inji, man fetur fasa kayan aiki, da dai sauransu
Abubuwan sinadaran na weld karfe(%):
| 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 |
Abubuwan kayan aikin walda:
| Gwaji abu | Ƙarfin ƙarfi Mpa | Ƙarfin bayarwa Mpa | Tsawaitawa % | Ƙimar tasiri (J) Temp na al'ada. |
| Garanti | ≥590 | ≥490 | ≥15 | ≥47 |
| An gwada | 600 ~ 680 | ≥500 | 18 ~ 21 |
Yadawa hydrogen abun ciki na ajiya karfe: ≤4.0mL/100g (glycerin hanya)
Duban X-ray: I grade
Shawarwari na yanzu:
| Diamita na sanda (mm) da | 2.5 | 3.2 | 4.0 | 5.0 |
| Welding Current (A) | 60 ~ 90 | 90 ~ 120 | 140 ~ 180 | 170 ~ 210 |
Sanarwa:
1. Dole ne a gasa wutar lantarki don 1 hour a 350 ℃ kafin aikin walda;
2. Yana da mahimmanci don tsaftace tsatsa, sikelin mai, ruwa, da ƙazanta akan sassan walda kafin walda.
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