您当前所在的位置:网站首页 - 粉末产品 - 低合金

低合金

低合金钢的主要牌号及规格

Alloys

Type

D50

μm

Typical D90, μm

收缩率

烧结密度

g/cm3

典型氧含量,

ppm

4605/ 8620/ 4140/

8740/ Fe4Ni/ Fe8Ni…

A

7~9

≤21

1.165~1.190

7.50~7.65

≤3500

B

8~10

≤24

1.165~1.175

≤3500

 

8620的烧结形貌, 烧结密度7.60g/cm3


含碳不锈钢


马氏体不锈钢/双相钢/铁素体含碳不锈钢

Alloys

D50,  μm

Typical D90,  μm

Shrinking ratio

Typical oxygen content, ppm

Typical sintering density, g/cm3

Sintered grain size grade

410/420/440

7~9

≤21

1.165~1.175

≤4500

7.65~7.75

Able to reach grade 7or higher

HK30

/

SKD11

/

  • Carbon loss usually at the level of 0.2~0.25wt% for these alloy powder materials.
  • Sintered surface is very smooth by using HJ’s MIM powder material design.
  • With very fine and uniform crystal structure, sintered grain size can reach or higher than grade 7.


 

440C 烧结态,烧结密度:7.73g/cm3 ,晶粒度>7级                                                                            440C 热处理后,晶粒度>7级