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Install the grinding wheel on the grinder, and lightly grind the two kinds of plates. When grinding, the sparks of the 201 plate are longer, thicker and more, while the sparks of the 304 plate are shorter, thinner and less. When grinding, the force must be light, and the two grinding forces are the same for easy distinction.
Apply stainless steel pickling paste on the two types of stainless steel plates. After 2 minutes, observe the color change of the stainless steel on the smear. The color 201 means blackening, and 304 means whitening or not changing color.
Description
Product | 309S Stainless Steel Coil | ||
Length | as required | ||
Width | 3mm-2000mm or as required | ||
Thickness | 0.1mm-300mm or as required | ||
Standard | AISI,ASTM,DIN,JIS,GB,JIS,SUS,EN,etc. | ||
Technique | Hot rolled / cold rolled | ||
Surface Treatment | 2B or according to customer requirement | ||
Thickness tolerance | ±0.01mm | ||
Material | 201, 202, 301, 302, 303, 304, 304L, 304H, 310S, 316, 316L, 317L, 321,310S 309S, 410, 410S,420, 430, 431, 440A,904L | ||
Application | It is widely used in high temperature applications, medical devices, building materials, chemistry, food industry, agriculture, ship components.It also applies to food, beverage packaging, kitchen supplies, trains, aircraft, conveyor belts, vehicles, bolts, nuts, springs, and screen. | ||
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 |
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