Ф720mm×12mm油气管线小半径预弯卷焊成形工艺

高中科. Ф720mm×12mm油气管线小半径预弯卷焊成形工艺[J]. 金属加工（热加工）, 2007, (10): 74-77.

引用本文:

高中科. Ф720mm×12mm油气管线小半径预弯卷焊成形工艺[J]. 金属加工（热加工）, 2007, (10): 74-77.

Small radius prebending roll-welded technology ofФ 720 × 12 oil and gas pipelines[J]. MW Metal Forming, 2007, (10): 74-77.

Citation:

Small radius prebending roll-welded technology ofФ 720 × 12 oil and gas pipelines[J]. MW Metal Forming, 2007, (10): 74-77.

Small radius prebending roll-welded technology ofФ 720 × 12 oil and gas pipelines

摘要: 我公司保运车间承揽了催化技改Ф720mm×12mm油气管线的制作任务.其介质为油气混合物,卷管设计温度达600℃.焊接技术要求100%射线探伤Ⅱ级合格,20%超声波抽查.卷制直线度≤2mm/m,椭圆度控制在±2mm以内,对焊纵缝错边量≤1mm.

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