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3-8 in. stainless steel pipe fitting 45 degree elbow 316 ss npt elbows

The 316 stainless steel reducer is good to be used in water, marine and sea water applications to reduce the size of a pipe line. The ASTM A403 Grade wp316 tee is used to divide or connect two pipes with another pipe. The 316 grade of steel is also used for fittings in food grade applications. The ASME SA 403 WP 316 Pipe Cap is a unique type of fitting in that it closes a pipeline rather than connecting two parts together.

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316 Stainless Steel Fittings, Stainless Steel Pipe Fittings for High Pressure, ASTM A403 GR WP316 Buttweld Fittings

The 300 series grades are “Austenitic Stainless Steels” which contains high levels of chromium and nickel and low levels of carbon, providing a balance of strength, workability and corrosion resistance. 316 Stainless Steel Fittings have the highest corrosion resistance and are the most commonly used type of stainless steel.

Stainless Steel Pipe Fittings for High Pressure

A403 GR WP316 stainless steel has higher nickel and lower chromium content than 304 Stainless Steel.  ASTM A403 GR WP316 Buttweld Fitting contains between 16 – 18 percent chromium (Cr) and between 10 – 14 percent nickel (Ni), as well as small amounts of carbon (C) and manganese (Mn). The key difference is the addition of 2 – 3 percent molybdenum (Mo) which makes S31600 pipe fitting  more corrosion resistant. S31600 pipe fitting provides higher corrosion resistance, especially against chlorides and chlorinated solutions. 1.4401 elbow is highly recommended in applications where powerful corrosives, chlorides and salt exposure is an issue, since it will last longer than 304.

1.4436 stainless steel fittings are commonly used in Marine/Sea water, Industrial-Commercial Chemical and Pharmaceutical equipment and many other non-potable water applications. SUS 316 tees are ideal for all potable water systems and municipal water treatment plants and pump houses. 316 stainless steel fittings are worth the expense if you are looking for superior corrosion resistance.

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