D812·§Ãź¸Ìõ D822Ä£¾ßº¸Ìõ îÜ»ùºÏ½ð¶Ñº¸ÄÍÄ¥º¸Ìõ

Category
Àà±ð

Trade-
Mark
ÅƺÅ

Equivalent to China Standard
Ï൱¹ú±ê

Characteristics & application
ÌØÐÔºÍÓÃ;

Equivalent to AWS
Ï൱AWS

Hard-surfacing

Ó²

Ãæ

¶Ñ

º¸

D 667

EDZCr-B-15

HRc≥48. Resistance to wear, gas corrosion and oxidation. Hardfacing of blast furnace hopper and cracker part.
HRc≥48£¬ÄÍÄ¥¡¢ÄÍÆøÊ´¡¢¿¹Ñõ»¯¡£¶Ñº¸¸ß¯ÁÏÖÓ¡¢ÆÆËé»ú¼þ

D 802

EDCoCr-A-03

HRc38-47. Resistance to heat, wear and corrosion. Hardfacing of high tdivperature part such as the edge of thermo-cutter.
HRc38-47£¬ÄÍÈÈ¡¢ÄÍÊ´¡¢ÄÍÄ¥¡£¶Ñº¸¸ßι¤¼þÈçÈȼôÇе¶ÈÐ

ECoCr-A

D 812

EDCoCr-B-03

HRc45-50. Resistance to heat, wear and corrosion. Hardfacing of high tdivperature part such as internal-combustion engine valve.
HRc45-50£¬ÄÍÈÈ¡¢ÄÍÊ´¡¢ÄÍÄ¥¡£¶Ñº¸¸ßι¤¼þÈçÄÚȼ»ú·§

ECoCr-B

D 822

HRc≥53. Resistance to Wear and heat, bad shock resistance. Hardfacing of rotating blade wheel of boiler.
HRc≥53£¬ÄÍÈÈ¡¢ÄÍÄ¥£¬µ«¿¹³å»÷ÐԲ¶Ñº¸¹ø¯ÐýתҶÂÖ

D 832

EDCoCr-C-03

HRc≥50. Wear and heat resistance. Hardfacing of high tdivperature part such as hot-rolling guided way.
HRc≥50£¬ÄÍÈÈ¡¢ÄÍÄ¥¡£¶Ñº¸¸ßι¤¼þÈçÈÈÔþµ¼¹ì

ECoCr-C

D 842

EDCoCr-D-03

HRc28-38. Corrosion and thermo-fatigue resistance, work harding. Hardfacing of hot forging die.
HRc28-38£¬ÄÍÊ´¡¢¿¹ÈÈÆ£ÀÍ£¬¾ßÓмӹ¤Ó²»¯ÐÔ¡£¶Ñº¸ÈȶÍÄ£