2023-06-08 Stainless steel pipe in the production process, will appear on the surface rust, welding spatter phenomenon will be welded stainless steel pipe surface will be more scratches, these cases should be how to do it? Torch as a professional production and sales of stainless steel pipe manufacturers for p
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2023-06-07 1. The cold rolling step:The surface state of the strip there are two main aspects of surface roughness and residues.2. Surface roughness:Cold-rolled strip surface roughness control process involving many factors, by batch annealing the strip, have a certain surface roughness to reduce the effect bo
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2023-06-06 We see more hot dip galvanized steel craft on the market now, hot dip galvanized steel surfaces because of improper operation of the formation of surface defects, the need for strict process to produce better products.If the defect is due to the hot-dip galvanizing equipment dysfunctional or poor co
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2023-06-05 Boiler tubes cooled in the heating surface tubes running time count or deterioration of the operating environment, dry, in a short time so that a sudden increase in the temperature of the steel pipe, the temperature reaches above the rated temperature, a tensile strength of steel sharp decline in st
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2023-06-02 Straight seam steel pipe production, the wrong side have occurred, many influencing factors. In practice, often by a dry wrong side super differential leaving the steel pipe downgrade. Cause analysis thus produces the wrong side of straight pipe joints and prevention measures are necessary.1, Strip
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2023-06-01 Straight seam steel billet piercing temperature varies according to the raw material strange strange. Thermal expansion pipe but mostly in 1200 ℃, when the carbon content and other alloying elements more temperature slightly lower.The second key is to try to reduce the heating operation scale quanti
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2023-05-31 304 stainless steel thick-walled tube parts to control grain size during heat treatment is necessary, its quality heat-treated 304 stainless steel thick-walled tube has a very important impact. Here's how to control the size of its grain size Method Summary as follows.(1) Choose a reasonable heating
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