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5mm Thick SS 304 Stainless Steel Sheet ASTM A240

5mm Thick SS 304 Stainless Steel Sheet ASTM A240

  5mm thick SS 304 stainless steel sheet is the most widely utilized “18-8”chromium-nickel austenitic stainless steel. It is an economical and versatile corrosion resistant alloy suitable for a wide range of general purpose applications. SS 304 (UNS S30400) is non-magnetic in the annealed condition, but can become slightly magnetic as a result of cold working or welding. It can be easily welded and processed by standard shop fabrication practices.

  SS 304 Stainless Steel Sheet ASTM A240 Equivalent

STANDARD UNS WNR. AFNOR EN JIS BS
SS 304 S30400 1.4301 Z7CN18‐09 X5CrNi18-10 SUS 304 304S31

  SS 304 Stainless Steel Sheets Corrosion Resistance

  5mm thick SS 304 stainless steel sheet has good resistance to atmospheric corrosion, foods and beverages and to many organic and inorganic chemicals in moderately oxidizing to moderately reducing environments. The high chromium content of the alloy provides resistance to oxidizing solutions such as nitric acid up to 55% weight and up to 176°F (80°C).

  5mm thick SS 304 stainless steel sheet performs well in fresh water service with low levels of chlorides (less than 100ppm). At higher chloride levels the grade is susceptible to crevice corrosion and pitting. For successful performance under these more severe conditions, higher molybdenum content is need such as 316/316L. Alloy 304/304L is not recommended for service in marine environments.

  In most instances, the corrosion resistance of SS 304 (UNS S30400)sheets will be roughly equal in most corrosive environments. However, in environments that are sufficiently corrosive to cause intergranular corrosion of welds and heat-affected zones Alloy 304L should be used because of its low carbon content.

  Surface of 5mm Thick SS 304 Stainless Steel Sheets

No.1 The surface is finished by heat treatment and pickling or processes corresponding there to after hot rolling
2D The finishes after cold rolling, by heat treatment, pickling or other equivalent treatment
2B The finish after cold rolling, by heat treatment, pickling or other equivalent treatment and lastly by cold rolling to give an appropriate luster
BA Cold rolled, bright annealed and skin-passed, the product have excellent brightness and good reflexivity like mirror
NO.3 Polished with abrasive belt of grit#100~#200,have better brightness with discontinuous coarse stria
NO.4 Polished with abrasive belt of grit#150~#180,have better brightness with discontinuous coarse stria
HL The finish after cold rolling, by heat treatment, pickling or other equivalent treatment and lastly by cold rolling to give an appropriate luster
8K The product have excellent brightness and prefect reflexivity can be the mirror

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