锻制模具钢和轧制模具钢,哪种市场需求比较大??是不是轧制的直径或厚度比较小,而锻制的直径或厚度大?

2025-03-25 03:11:59
推荐回答(2个)
回答1:

轧制无所谓直径,
基本可以用两种工艺的厚度来衡量。
他的市场也不是以厚度来衡量的。
轧制的质量差,锻制基本是在轧制的基础上进行加工,或者直接锻钢锭为板,
锻制的质量水平好,稳定性好,致密性好,气孔砂眼少。轧制的钢材厚度超过300基本就会有砂眼、疏松。
这样讲不知道你明白不?

回答2:

就需求量现状来说,受成本控制、需求者对钢材质量了解参差不齐等因素影响,轧制模具钢需求量较大。
规格不大不小的一般采用轧制工艺,规格较大的一般采用锻造工艺,规格较小的一般采用拉拔工艺。
轧制和锻制的区别在于生产工艺:
轧制是钢坯采用轧机成型,产出模具钢平整,但组织相对不致密,颗粒相对较大,纤维方向较明显;
锻造是钢坯采用锻打压成型,外观粗糙不平整光洁,但组织相对致密、颗粒较小,多向锻打纤维方向不明显。
质量比较优越的是:
1、钢厂炼钢时直接采用锻打+轧制工艺出产的锻轧材,即具备了锻造工艺的优点也具备轧制工艺的优点。
2、规范改锻化学成分标准、杂质含量控制严格的合格原。采取改锻工艺需要注意控制锻造比和锻坯质量。

沈阳中金模具钢

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