ASTM A182 F316L Stainless Steel Forged Flange B16.5

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ASTM A182 F316L Specification

Grade 316L is a low carbon version of the F316L pipe flange and is resistant to sensitization, also known as grain boundary carbide precipitation. As a result, Gr F316L is widely used for heavy-duty welded components with wall thicknesses over 6 mm. The austenitic structure in astm a182 f316l also gives this grade excellent toughness properties, which can be observed at low temperatures.

Compared to other chromium-nickel austenitic stainless steels, A182 F316L stainless steel has higher creep strength, stress rupture strength and tensile strength even at high temperatures. ss 316L flanges provide excellent performance in a wide range of atmospheric environments and many corrosive media.

In general, werkstoff A182 F316L tends to be more resistant to corrosive media than grade 304 stainless steel. Although these stainless steel 316L flanges suffer from pitting and crevice corrosion in warm chloride environments and stress-related corrosion cracking at temperatures above 60 °C, the sa 182 F316L flanges are considered watertight . astm A182 Gr F316L has shown corrosion resistance in drinking water, holding up to about 1000 mg/L of chloride at ambient temperature and further reducing to about 500 mg/L at 60 °C.

Flanges ASTM A182 F316L are generally considered to be the standard "Marine Grade Stainless Steel". But astm A182 grade F316L is not resistant to high temperature seawater. 316l stainless steel flange material does experience surface corrosion in many marine environments. This surface corrosion usually manifests as brown staining, especially in relation to cracks and rough surface finish.

316L stainless steel flanges exhibit good oxidation resistance in intermittent applications up to 870 °C and continuous duty up to 925 °C. Continuous use of flange astm A182 f316l in the temperature range 425 °C - 860 °C is not recommended if subsequent water corrosion resistance is important in any application. Many 316L stainless steel flange manufacturers state that this alloy is more resistant to carbide precipitation and can be used in the above temperature range.