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首頁 > 鋼管百科 > 無縫鋼管切削熱處理的分析

無縫鋼管切削熱處理的分析

日期:2020-09-08

我們每天使用的無縫鋼管需要做一些切割處理和熱處理。處理無縫鋼管的原因是什么?

無縫鋼管

無縫鋼管的切割處理:矯直無縫鋼管后,首先進行吹灰檢查,以確定切割頭和切割頭的長度。無縫鋼管切割的目的是去除裂紋,打結,疤痕,撕裂和壁厚不均勻的末端,以獲得所需的固定尺寸無縫鋼管。另外,檢查不合格且去除后難以修復的缺陷。例如向內折疊,內部疤痕,嚴重的壁厚不均勻等。通常,前者是在工作線上切割的,而后者是離線切割的。

無縫鋼管熱處理時保溫時間的控制:無縫鋼管熱處理時的保溫時間應保證爐內的鋼管能完全燃燒通過,使其溫度均勻,并完成應有的結構改造。獲得統一的結構和性能。-通常,提高加熱溫度可以適當地縮短保持時間。在進行低溫退火(包括軟化,應力消除和重結晶退火)時,退火溫度越接近臨界點A1,無縫鋼管的恢復越快,消除工作硬化的可能性就越大,因此保持時間也可以適當縮短。

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