行業資訊 /xingyezi

不銹鋼無縫管和焊接管的特點和差異
時間:2020-5-7    來源:http://www.sdhuani.com/

不銹鋼具有優異的綜合性能,外觀和表面性能,并廣泛用于所有階段。同樣,不銹鋼管也不例外。不銹鋼管是一種空心截面的鋼,通常分為不銹鋼無縫管和焊接管。處理方法和性能上有一些差異。不同之處在于:

1.生產過程中的差異

軋制鋼板或鋼帶后,將不銹鋼焊管焊接起來,形成設備和模具。管的內壁通常有焊縫,無縫管以圓管坯料為原料,通過熱擠壓生產工藝進行鉆孔,冷軋,冷拔加工,管內無焊接點。

二,鋼管的外觀差異

對于不銹鋼焊管,壁厚的公差非常小,整個圓周的厚度非常均勻。鋼管精度高,管內外表面亮度高,長度可任意設定。無縫鋼管的精度低,壁厚不均勻,管內外表面的亮度低,固定尺寸的成本高,內部和外部的安裝和黑點。因此,通常生產的無縫管壁較厚。




3.性能和價格之間的差異

無縫管比焊接管具有更高的耐腐蝕性,耐壓性和耐高溫性。隨著焊接管制造工藝的改進,機械性能和機械性能逐漸接近無縫管。無縫管在制造過程中更加復雜,并且比焊接管更昂貴。

根據不銹鋼無縫管和焊接管的特點和差異,要達到經濟,美觀,可靠的效果,需要合理選擇應用。

1.用作裝飾管,產品管,支撐管時,一般表面效果好,一般需要不銹鋼焊接管;

2.通常,不銹鋼焊接管用于低壓流體運輸,例如水,油,氣,空氣,熱水或蒸汽以及其他低壓系統。

3,發電廠,核電站鍋爐,高溫,高壓,高強度要求高,高壓,高壓輸液管道,工業工程及大型設備的輸液管道,應使用不銹鋼無縫管。 。

4.不銹鋼焊接管通常用于0.8MPa以下的液體輸送,而無縫管可以承受0.8MPa以上的液體輸送。如果壓力要求不高,則使用焊接管更加經濟。



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