Category 類別 Trade- Mark 牌號 Equivalent to China Standard 相當國標 Characteristics & application 特性和用途 Equivalent to AWS 相當AWS Hard-surfacing 硬 面 堆 焊 D 667 EDZCr-B-15 HRc≥48. Resistance to wear, gas corrosion and oxidation. Hardfacing of blast furnace hopper and cracker part. HRc≥48，耐磨、耐氣蝕、抗氧化。堆焊高爐料鐘、破碎機件 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。堆焊高溫工件如熱剪切刀刃 ECoCr-A D 812 EDCoCr-B-03 HRc45-50. Resistance to heat, wear and corrosion. Hardfacing of high temperature part such as internal-combustion engine valve. HRc45-50，耐熱、耐蝕、耐磨。堆焊高溫工件如內(nèi)燃機閥 ECoCr-B D 822 HRc≥53. Resistance to Wear and heat, bad shock resistance. Hardfacing of rotating blade wheel of boiler. HRc≥53，耐熱、耐磨，但抗沖擊性差。堆焊鍋爐旋轉(zhuǎn)葉輪 D 832 EDCoCr-C-03 HRc≥50. Wear and heat resistance. Hardfacing of high temperature part such as hot-rolling guided way. HRc≥50，耐熱、耐磨。堆焊高溫工件如熱軋導(dǎo)軌 ECoCr-C D 842 EDCoCr-D-03 HRc28-38. Corrosion and thermo-fatigue resistance, work harding. Hardfacing of hot forging die. HRc28-38，耐蝕、抗熱疲勞，具有加工硬化性。堆焊熱鍛模 Cast iron 鑄 鐵 Z 308 EZNi Pure nickel, excellent general properties. Used to weld thin cast iron part and repair welding machined surface, such as guided way of machine tool. 純鎳，綜合性能好。鑄鐵薄件及加工面補焊用，如機床導(dǎo)衛(wèi) ENi-Cl Z 408 EZNiFe Iron nickel, high strength and excellent ductility. Repair welding of important gray cast iron and nodular cast iron, such as cylinder cap. 鎳鐵，強度高、塑性好。重要灰鑄鐵及球鐵焊補用，如汽缸蓋 ENiFe-Cl Z 508 EZNiCu-1 Copper nickel, good machinability and bad crack resistance. Repair welding of sand hole and gray cast iron machined surface subject to no load. 鎳銅，易加工，但抗裂性較差。不受力的灰鑄鐵加工面及砂眼補焊 ENiCu-B Copper alloys 銅 合 金 Cu 107 ECu Red copper, atmosphere and sea water corrosion an