SS201 304 Hairline Stainless Steel Plate Cold Rolled 3 Mm Stainless Steel Sheet HL Finish​

Overview and application of surface characterization method

NO.1 Silver white, dull hot rolled to a specified thickness, then annealed and descaled, a rough, dull surface that does not require surface gloss

(i.e. hot rolled industrial plate)
NO.2D silver white
After cold rolling, heat treatment and pickling are carried out, and sometimes a final light rolling is carried out on the rough surface. A matte surface treatment. 2D products are used for purposes that do not have strict requirements on the surface. General materials, deep drawing materials
NO.2B gloss is stronger than NO.2D NO.2B after treatment, the final light cold rolling is carried out by polishing rollers to obtain proper gloss. This is the most commonly used surface processing, and this processing can also be used as the first step of polishing. General timber
BA is as bright as a mirror
No standard, but usually a bright annealed finish with a highly reflective surface. Building materials, kitchen utensils
NO.3 coarse grinding
Grind NO.2D and NO.2B materials with 100~200# (unit) abrasive belts to grind building materials and kitchen utensils
NO.4 Intermediate grinding
The polished surface obtained by grinding NO.2D and NO.2B materials with 150~180# grit grinding belt, this is a general-purpose, bright surface with specular reflection and visible 'grains'
Same as above NO.240 Fine grinding NO.2D and NO.2B materials, use 240# grit grinding belt to grind kitchen utensils
NO.320 Very fine grinding
Grind NO.2D and NO.2B materials with 320# grit grinding belt as above NO.400
The gloss is close to BA. Grind NO.2B material with 400# polishing wheel
General materials, construction materials, kitchen utensils
HL Hairline Grinding
Abrasive materials with appropriate particle size are used for hairline grinding (150~240#). There are many buildings and construction materials.
NO.7 close to mirror grinding
Use 600# rotary polishing wheel for grinding art and decoration
NO.8 Mirror grinding
Grinding mirrors with polishing wheels, for decoration

Cold-rolled sheets generally do not exceed 3MM, and hot-rolled sheets generally do not exceed 3MM, which is limited by the production process and equipment.

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