碳化钨粉的费氏平均粒度、比表面积、总碳、游离碳、化合碳、氧含量应符合规定
过筛
碳化钨粉应过筛。费氏平均粒度10μm，筛网孔径不得大于180μm
| 牌号 |
比表面积 (m2/g) |
平均粒度范围/μm |
氧含量% 不大于 |
总碳 % |
游离碳% 不大于 |
化合碳% 不小于 |
| FWC02-04 |
>2.5 |
--- |
0.35 |
6.20~6.30 |
0.20 |
6.07 |
| FWC04-06 |
1.5~2.5 |
--- |
0.30 |
6.15~6.25 |
0.15 |
6.07 |
| FWC06-08 |
--- |
≥0.60~0.80 |
0.20 |
6.13~6.23 |
0.12 |
6.07 |
| FWC08-10 |
--- |
>0.80~1.00 |
0.18 |
6.08~6.18 |
0.08 |
6.07 |
| FWC10-14 |
--- |
>1.00~1.40 |
0.15 |
6.08~6.18 |
0.06 |
6.07 |
| FWC14-18 |
--- |
>1.40~1.80 |
0.15 |
6.08~6.18 |
0.06 |
6.07 |
| FWC18-24 |
--- |
>1.80~2.40 |
0.12 |
6.08~6.18 |
0.06 |
6.07 |
| FWC24-30 |
--- |
>2.40~3.00 |
0.10 |
6.08~6.18 |
0.06 |
6.07 |
| FWC30-40 |
--- |
>3.00~4.00 |
0.08 |
6.08~6.18 |
0.06 |
6.07 |
| FWC40-50 |
--- |
>4.00~5.00 |
0.08 |
6.08~6.18 |
0.06 |
6.07 |
| FWC50-70 |
--- |
>5.00~7.00 |
0.08 |
6.08~6.18 |
0.06 |
6.07 |
| FWC70-100 |
--- |
>7.00~10.00 |
0.05 |
6.08~6.18 |
0.06 |
6.07 |
| FWC100-140 |
--- |
>10.00~14.00 |
0.05 |
6.08~6.18 |
0.06 |
6.07 |
| FWC140-200 |
--- |
>14.00~20.00 |
0.05 |
6.08~6.18 |
0.06 |
6.07 |
| FWC200-260 |
--- |
>20.00~26.00 |
0.05 |
6.08~6.18 |
0.06 |
6.07 |
| FWC260-350 |
--- |
>26.00~35.00 |
0.08 |
6.08~6.18 |
0.06 |
6.07 |
外观质量
碳化钨粉的外观呈灰色，随产品粒度增加，颜色由深到浅。颜色应均匀一致，无目视可见夹杂物。
