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News
Anti-corrosion steel pipes are classified according to different
Views: 180 Nov 25 , 2022
Corrosion-proof steel pipe refers to the steel pipeline that can be effectively prevented or slowed down by chemical or electrochemical reaction in the process of transportation and use of corrosion phenomena after anti-corrosion process processing. According to China's statistics, the annual domestic steel pipe corrosion direct...
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Spiral steel pipe surface rust removal treatment has several met
Views: 120 Nov 23 , 2022
1、Cleaning
Apply solvents and emulsions to clean the exterior of steel to remove oil, grease, dust, slicker and similar organic substances, but it cannot remove rust, oxidation skin, welding powder, etc. on the exterior of steel, so it is only used as an auxiliary trick in anti-corrosion production.
2、Spraying...
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The simple and simple process of spiral steel pipe production
Views: 109 Nov 21 , 2022
Spiral steel pipe is a spiral seam steel pipe made of strip steel coil as raw material, extruded at regular temperature and welded by automatic double-wire double-sided submerged arc welding process. Spiral steel pipe will be fed into the welded pipe unit, rolled by multiple rolls, the strip is gradually rolled up to form a circular...
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Spiral steel pipe welded seam at the cause of trachoma
Views: 111 Nov 18 , 2022
There are many processing steel pipe operators reflect the spiral steel pipe butt weld at the presentation of trachoma. Spiral steel pipe is made of strip steel through the roll forming machine, the spiral direction of bending, and then through the capacitive double-sided submerged arc welding. In the spiral steel pipe welding production...
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Reasons for water pressure test of anti-corrosion steel pipe
Views: 137 Nov 16 , 2022
3pe anti-corrosion steel pipe testing means there is a hydraulic test, then the hydraulic test is the test of what? The following is an introduction.
Water pressure test is mainly used to test the 3pe anti-corrosion steel pipe pressure capacity and whether the leakage.
Anti-corrosion steel pipe for the reason of...
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The correct storage method of spiral steel pipe
Views: 120 Nov 14 , 2022
From the product life cycle, spiral steel pipe products in the maturity of the technical aspects of the steel smelting process, product homogenization phenomenon is serious, small and medium-sized steel enterprises are fully capable of producing finished steel products to meet the needs. Therefore, the steel industry competition is...
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What are the differences in construction and standards of spiral
Views: 113 Nov 11 , 2022
The ellipticity of spiral steel pipe in the production process is inevitable, but the ellipticity can be reduced, if the ellipticity is large, in the construction will bring great trouble. Ellipticity is a spiral steel pipe in the forming process due to the low precision of the equipment, resulting in the wrong side of the strip in...
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Spiral steel pipe rust removal and corrosion protection process
Views: 124 Nov 09 , 2022
Steel pipe descaling anticorrosion process: Descaling is an important element in the pipeline anticorrosion process, and there are many methods of descaling, such as manual descaling, sandblasting and pickling descaling. Among them, manual rust removal, mechanical rust removal and coating rust removal (anti-corrosion brush oil) are...
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Spiral steel pipe for insulation treatment of the technical requ
Views: 117 Nov 03 , 2022
Spiral steel pipe insulation treatment after people are used to called insulation steel pipe, insulation steel pipe insulation layer is made of rigid polyurethane foam filling, for spiral steel pipe insulation layer quality requirements are as follows.
1. Polyurethane foam should be free of stains, no shrinkage delamination...
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What is the reason for delayed delivery of spiral steel pipe fac
Views: 114 Nov 02 , 2022
Often the purchase of spiral steel pipe customers will often encounter the situation of late delivery, obviously the contract signed delivery period is ten days, but to the delivery period, spiral steel pipe manufacturers and delivery does not ship, why this situation will occur frequently? Of course, late work is certainly the...
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