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首頁 > 鋼管百科 > 無縫鋼管壁厚不均勻原因分析

無縫鋼管壁厚不均勻原因分析

日期:2020-02-29
無縫鋼管壁厚不均勻原因分析

1、無縫鋼管穿孔時延伸系數(shù)過大,軋制速度過快,軋制平穩(wěn)。

2、拋凸模鋼毛管不穩(wěn)定容易導致尾部厚度不均勻。

3、無縫鋼管端部切坡、彎曲過大,管中心孔誤差大,容易導致頂管壁厚不均。

4、注意使用狀態(tài)導向盤,加大導向盤螺栓的檢查力度,減少軋制無縫鋼管時鉛板跑偏幅度,確保鑄鋼穩(wěn)定。

5、檢查無縫鋼管的質量,防止管端切坡、大減徑,更換或修補時應糾正通孔對中。

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