抗磨白口铸铁的硬变




牌  号

铸态或铸态并去应力处理

硬化态或硬化态并去应力处理

软化退火态

HRC

HB

HRC

HB

HRC

HB

KmTBNi4Cr2-DT

≥53

≥550

≥56

≥600

 

 

KmTBNi4Cr2-GT

≥53

≥550

≥56

≥600

 

 

KmTB Cr9Ni5

≥50

≥550

≥56

≥600

 

 

KmTBG2

≥46

≥500

≥56

≥600

≤41

≤400

KmTBCr8

≥46

≥450

≥56

≥600

≤41

≤400

KmTBCr12

≥46

≥450

≥56

≥600

≤41

≤400

KmTBCr15Mo

≥46

≥450

≥58

≥650

≤41

≤400

KmTBCr20Mo

≥46

≥450

≥58

≥650

≤41

≤400

KmTBCr26

≥46

≥450

≥56

≥600

≤41

≤400


 [关键词]   退火  去应力