匯聚全球材料牌號的數據庫-鋼鐵之家
匯聚全球材料牌號的數據庫
EFe7
2023-05-17 15:55:18
來源：鋼鐵之家
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| 牌號 | EFe7 |
| W77610 | |
| 對應標準 | AWS A5.13/A5.13M-2010
堆焊焊條規(guī)范 保護金屬電弧焊 Specification for Surfacing Electrodes for Shielded Metal Arc Welding |
| 歸類 | 合金鋼 |
| 標簽 | 鐵基堆焊焊條 |
| 說明 | Characteristics. EFe7 series electrodes are essentially a higher carbon modification of EFe3 electrodes. Abrasion resistance of the weld deposit is improved with some sacrifice in resistance to impact. Deposits air harden, and a two-layer deposit can be expected to have a hardness of 60 HRC or higher. Stress-relief cracks (checks) typically occur through the overlay. Deposits cannot be machined. Applications. EFe7 electrodes are used for overlaying surfaces that require good low-stress abrasion resistance. Applications include cement chutes, fan blades, bulldozer blades, and other parts and equipment used for earthmoving or construction. Carbon and alloy steels, tool steels, and stainless steels are compatible base metals. |
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