![]() The wall thickness of the white iron spiral tube is usually between 3mm and 25mm, with common medium and low pressure applications (such as water supply and drainage, ventilation) often using a wall thickness of 5mm~16mm. For example, water pipelines in municipal engineering often use a wall thickness of 5-8mm, while high-pressure scenarios such as oil and gas transportation may use a wall thickness of 20mm or more. Special specifications Some manufacturers can provide non-standard customization, such as special plates with wall thickness increments of 0.78mm or 0.3mm (such as 5.78mm, 6.3mm, etc.), but it needs to be confirmed according to actual needs. |
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