牌号

Trade Name

直径

Diameter

HRC

（国家标准台式硬度计）

特点及主要用途

characteristicsandapplication

HG100

1.6/2.8/4.0

-

用于挤压辊打底层

Used to the backing of squeezing roller

HG100A

1.6/2.8/4.0

-

用于挤压辊打底层

Used to the backing of squeezing roller

HG200

1.6/2.8/4.0

20-35

用于挤压辊过渡层

Used to the transition Layer of squeezing roller

HG300

1.6/2.8/4.0

35-50

用于挤压辊硬化层

Used to thehardened layerof squeezing roller

HG500

1.6

50-60

用于挤压辊表面花纹

Used to thesurface figureof squeezing roller