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铬铁
铬铁适用于炼钢中作为合金加入剂。
我厂生产的铬铁执行标准：GB5683-87
铬铁是块状，每块重量不大于15kg，尺寸小于20×20mm铬铁的重量不超过铬铁总重量的5%。需要对化学成分，粒度、包装有特殊要求的，顾客与我厂另行商定。
类别
|
牌号
|
化学成份
|
Cr
|
C |
Si
|
P
|
S
|
范围 |
Ⅰ |
Ⅱ |
|
Ⅰ |
Ⅱ |
Ⅰ |
Ⅱ |
Ⅰ |
Ⅱ |
|
不小于
|
不大于
|
微碳
|
FeCr69C0.03 |
63-75 |
|
|
0.03 |
1.0 |
|
0.03 |
|
0.025 |
|
FeCr55C3 |
|
60 |
52 |
0.03 |
1.5 |
2.0 |
0.03 |
0.04 |
0.03 |
|
FeCr69C0.06 |
63-75 |
|
|
0.06 |
1.0 |
|
0.03 |
|
0.025 |
|
FeCr55C6 |
|
60 |
52 |
0.06 |
1.5 |
2.0 |
0.04 |
0.06 |
0.03 |
|
FeCr69C0.10 |
63-75 |
|
|
0.10 |
1.0 |
|
0.03 |
|
0.025 |
|
FeCr55C10 |
|
60 |
52 |
0.10 |
1.5 |
2.0 |
0.04 |
0.06 |
0.03 |
|
FeCr69C0.15 |
63-75 |
|
|
0.15 |
1.0 |
|
0.03 |
|
0.025 |
|
FeCr55C15 |
|
60 |
52 |
0.15 |
1.5 |
2.0 |
0.04 |
0.06 |
0.03 |
|
低碳
|
FeCr69C0.25 |
63-75 |
|
|
0.25 |
1.5 |
|
0.03 |
|
0.025 |
|
FeCr55C25 |
|
60 |
52 |
0.25 |
2.0 |
3.0 |
0.04 |
0.06 |
0.03 |
0.05 |
FeCr69C0.50 |
63-75 |
|
|
0.50 |
1.5 |
|
0.03 |
|
0.025 |
|
FeCr55C1.0 |
|
60 |
52 |
0.50 |
2.0 |
3.0 |
0.04 |
0.06 |
0.03 |
0.05 |
中碳
|
FeCr69C1.0 |
63-75 |
|
|
1.0 |
1.5 |
|
0.03 |
|
0.025 |
|
FeCr55C100 |
|
60 |
52 |
1.0 |
2.5 |
3.0 |
0.04 |
0.06 |
0.03 |
0.05 |
FeCr69C2.0 |
63-75 |
|
|
2.0 |
1.5 |
|
0.03 |
|
0.025 |
|
FeCr55C200 |
|
60 |
52 |
2.0 |
2.5 |
3.0 |
0.04 |
0.06 |
0.03 |
0.05 |
FeCr69C4.0 |
63-75 |
|
|
4.0 |
1.5 |
|
0.03 |
|
0.025 |
|
FeCr55C400 |
|
60 |
52 |
4.0 |
2.5 |
3.0 |
0.04 |
0.06 |
0.03 |
0.05 |
|
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