品级
|
粒 度
|
目数mesh
|
毫米mm
|
微米μm
|
GZ5-10f
|
-5~+10
|
4.000-2.000
|
4000-2000
|
GZ10-20f
|
-10~+20
|
2.000-0.850
|
2000-850
|
GZ20-30f
|
-20~+30
|
0.850-0.600
|
850-600
|
GZ30-40f
|
-30~+40
|
0.600-0.425
|
600-425
|
GZ40-60f
|
-40~+60
|
0.425-0.250
|
425-250
|
GZ60-80f
|
-60~+80
|
0.250-0.180
|
250-180
|
GZ80-100f
|
-80~+100
|
0.180-0.140
|
180-140
|
GZ100-200f
|
-100~+200
|
0.140-0.075
|
140-75
|
GZ200-400f
|
-200~+400
|
0.075-0.034
|
75-34
|
|
元素
|
标准
|
典型值
|
W |
95-96 |
95-96 |
total carbon |
3.8-4.0 |
3.8-4.0 |
free carbon |
≤0.08 |
≤0.02 |
Fe |
≤0.5 |
≤0.3 |
Cr |
≤0.2 |
≤0.05 |
V |
≤0.2 |
≤0.01 |
Ti |
≤0.1 |
≤0.01 |
Mo+Co+Ni |
≤0.3 |
≤0.05 |
|