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It takes slab (mainly continuous casting slab) as raw material and is made into strip steel by roughing mill and finishing mill after heating. The hot steel strip from the last finishing mill is cooled to the set temperature through laminar flow, rolled into steel strip coil by coiler, and the cooled steel strip coil.
1.Mechanical polishing: This method is usually done manually, which is to smooth out the concave and convex position of the steel coil. In this process, props such as sandpaper and oil stone strips are used. By mechanically polishing the steel coil, the surface quality of the steel coil can be improved.
2.Chemical polishing: A chemical reaction is used in this polishing method to flatten the raised position of the steel coil plate. The biggest advantage is that there is no need to use too complicated equipment in this process and the polishing effect is good.
3.Electrolytic polishing: The principle of electrolytic polishing is very similar to chemical polishing, but the effect of electrolytic polishing is better because this polishing method uses electrolyte to flatten the raised position on the surface of the steel coil.
Product Name: | Carbon Steel Coil | |||
Length: | 1.25m-12m or as required | |||
Width: | 0.6m-3m or as required | |||
Thickness: | 0.1mm-300mm or as required | |||
Standard: | AISI,ASTM,DIN,JIS,GB,JIS,SUS,EN,etc. | |||
Technique: | Hot rolled or cold rolled | |||
Surface Treatment: | Clean, blasting and painting according to customer requirement | |||
Thickness tolerance: | ±0.1mm | |||
Material: | 20#- 35# 45# 50#, 16Mn-50Mn 30Mn2-50Mn2 20Cr, 20Cr, 40Cr 20CrMnTi 20CrMo;15CrMo;30CrMo 35CrMo 42CrMo; 42CrMo4 60Si2mn 65mn | |||
Application: | ApplicationIt is widely used in small tools, small components, iron wire, siderosphere, pull rod, ferrule, weld assembly, structural metal, connecting rod, lifting hook, bolt, nut, spindle, mandrel, axle, chain wheel, gear, car coupler. | |||
MOQ: | 25tons.We also can accept sample order. | |||
Shipment time: | Within 15-20 workdays after receiving deposit or L/C | |||
Export packing: | Waterproof paper, and steel strip packed.Standard Export Seaworthy Package.Suit for all kinds of transport,or as required | |||
Capacity: | 250,000 tons/year | |||
Container Size: | 20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High) 24-26CBM40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High) 54CBM 40ft |
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