Category
类 别

Trade-
Mark
牌 号

Equivalent to China Standard
相当国标

Characteristics & application
特性和用途

Equivalent to AWS
相当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、耐气蚀、抗氧化。堆焊高炉料钟、破碎机件

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，耐热、耐蚀、耐磨。堆焊高温工件如热剪切刀刃

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，耐热、耐蚀、耐磨。堆焊高温工件如内燃机阀

ECoCr-B

D 822

HRc≥53. Resistance to Wear and heat, bad shock resistance. Hardfacing of rotating blade wheel of boiler.
HRc≥53，耐热、耐磨，但抗冲击性差。堆焊锅炉旋转叶轮

D 832

EDCoCr-C-03

HRc≥50. Wear and heat resistance. Hardfacing of high temperature part such as hot-rolling guided way.
HRc≥50，耐热、耐磨。堆焊高温工件如热轧导轨

ECoCr-C

D 842

EDCoCr-D-03

HRc28-38. Corrosion and thermo-fatigue resistance, work harding. Hardfacing of hot forging die.
HRc28-38，耐蚀、抗热疲劳，具有加工硬化性。堆焊热锻模

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.
纯镍，综合性能好。铸铁薄件及加工面补焊用，如机床导卫

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.
镍铁，强度高、塑性好。重要灰铸铁及球铁焊补用，如汽缸盖

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.
镍铜，易加工，但抗裂性较差。不受力的灰铸铁加工面及砂眼补焊

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.
紫铜，耐大气，海水腐蚀，导电性好。紫铜焊接用，如导电铜排

ECu

Cu 207

ECuSi

Silicon bronze, corrosion resistance and high strength. Welding of copper, silicon bronze and brass.
硅青铜，耐蚀、强度高。铜、硅青铜及黄铜焊接用

ECuSi

Cu 227

ECuSnB

Tin phosphor bronze, corrosion resistance and high strength. Welding of copper, silicon bronze and brass.
锡磷青铜，耐蚀、强度高。铜、硅青铜及黄铜焊接用

ECuSn-C