 轧辊特性：轧辊中含有较高的Ni、No等合金元素，使基体组织得到贝氏体、马氏体、珠光体组织、石墨形态为球状石墨，因而具有良好的导热性和较高的抗拉强度，通过适当的热处理可获得优良的综合机械性能，从而具有较高的耐磨性。
Double Pouring Unlimited Chill Nodular-cast Iron Rolls& Rollrings
Properties of rolls more alloy elements such as Ni, Mo,etc. Rolls have organizations such as Bainito,Marternsile,Pearlite and have sphere graphite,Suitable heat treamments make rolls have synthetic mechanical property and abrasion resistance.
化学成分 Chemical Compositions(%) |
名称\元素 |
C |
Si |
Mn |
Cr |
Mg |
Mo |
Ni |
HSD |
FQ2 |
2.9-3.4 |
1.5-2.0 |
0.4-1.0 |
0.2-1.0 |
≥0.04 |
0.2-0.6 |
1.2-3.0 |
55-72 |
FQ3 |
2.9-3.5 |
1.5-2.0 |
0.4-1.0 |
0.2-1.2 |
≥0.04 |
0.6-1.0 |
3.5-4.5 |
60-80 |
| 机械性能指标 Mechanical Property Indeices |
辊面硬度HSD |
辊颈硬度HSD |
芯部抗拉强度HSD |
50-80 |
35-45 |
≥400MPa |
|
