Category | Trade- | Equivalent to China Standard | Characteristics & application | Equivalent to 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. | |
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. | 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. | ECoCr-B | |
D 822 | HRc≥53. Resistance to Wear and heat, bad shock resistance. Hardfacing of rotating blade wheel of boiler. | |||
D 832 | EDCoCr-C-03 | HRc≥50. Wear and heat resistance. Hardfacing of high temperature part such as hot-rolling guided way. | ECoCr-C | |
D 842 | EDCoCr-D-03 | HRc28-38. Corrosion and thermo-fatigue resistance, work harding. Hardfacing of hot forging die. | ||
Cast iron
铸
铁 | 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. | 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. | 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. | ENiCu-B | |
Copper alloys
铜
合
金 | Cu 107 | ECu | Red copper, atmosphere and sea water corrosion and excellent electric conductivity. Welding of red copper such as electrical copper row. | ECu |
Cu 207 | ECuSi | Silicon bronze, corrosion resistance and high strength. Welding of copper, silicon bronze and brass. | ECuSi | |
Cu 227 | ECuSnB | Tin phosphor bronze, corrosion resistance and high strength. Welding of copper, silicon bronze and brass. | ECuSn-C | |
Cu 237 | ECuAl | Aluminum bronze, wear and corrosion and high strength. Welding or surfacing of copper alloys. | ECuAl-A2 | |
Aluminum alloys
铝 合 金 | Al 109 | TAl | Pure aluminum, excellent corrosion resistance and middle strength. Welding of pure aluminum. | E1100 |
Al 209 | TAlSi | Silicon aluminum, good crack resistance and wide range of usage. Welding of aluminum alloys other than aluminum magnesium alloys. | E4043 | |
Al 309 | TAMn | Manganese aluminum, corrosion resistance and high strength. Welding of aluminum alloys. | E3003 | |
Nickel alloys 镍合金 | Ni 102 | ENi-1 | Pure nickel. Welding and surfacing of nickel and nickel to steel. | ENi-1 |
Ni 207 | ENiCu-7 | Copper nickel. Welding and surfacing of copper nickel and copper nickel to steel. | ENiCu-7 |
