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Category 類 別 Trade- Mark 牌 號 Equivalent to China Standard 標(biāo)準(zhǔn) Characteristics & application 特性和用途 Equivalent to AWS 相當(dāng)AWS Hard-surfacing 硬 面 棧 焊 D 667 EDZCr-B-15 HRc8. Resistance to wear, gas corrosion and oxidation. Hardfacing of blast furnace hopper and cracker part. HRc8，耐磨、耐氣蝕。棧焊高爐料鐘、破碎機(jī)件 D 802 EDCoCr-A-03 HRc38-47. Resistance to heat, wear and corrosion. Hardfacing of high temperature part such as the edge of thermo-cutter. HRc38-47，耐熱、耐蝕、耐磨。棧焊高溫工件如熱剪切刀刃 ECoCr-A D 812 EDCoCr-B-03 HRc5-50. Resistance to heat, wear and corrosion. Hardfacing of high temperature part such as internal-combustion engine valve. HRc5-50，耐熱、耐蝕、耐磨。棧焊高溫工件如內(nèi)燃機(jī)閥 ECoCr-B D 822 HRc53. Resistance to Wear and heat, bad shock resistance. Hardfacing of rotating blade wheel of boiler. HRc53，耐熱、耐磨，但抗沖擊性差。棧焊鍋爐旋轉(zhuǎn)葉輪
