As a pillar-like existence in the greenhouse, the square tube can be said to be indispensable. Compared with round tubes and oval tubes, square tubes are easier to cut and weld, and can easily handle most hoop accessories.In actual use, the common dimensions of galvanized steel pipe for greenhouse a
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1 Control of weld gapIn the high frequency welding process, the strip steel is sent to the welded pipe unit, rolled by multiple rollers, and the strip steel is gradually rolled up to form a circular tube blank with an opening gap. and make the ends of the welding joint flush. If the gap is too large
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Global Rectangular Hollow Section Steel Market 2022, Global Scenario is a comprehensive and in-depth research of the global Rectangular Hollow Section Steel industry, with a focus on the Chinese market. The research provides key data on the market state of Rectangular Hollow Section Steel manufactur
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(1) The slender pipes should be hung vertically in a salt bath furnace or pit furnace as much as possible to reduce the deformation caused by their own weight.(2) When right angle tube with different cross-sectional sizes are heated in the same furnace, the small pieces should be placed at the outer
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