Stainless Steel Elbow Specifications
ANSI Specifications ANSI B16.9 ASME Specifications ASME SA-403 ASTM Specifications ASTM A-403 WPW Elbow Degree 30, 45, 60, 90, 180 Degree Fitting Size 1/2″ Up To 10″ Schedule Sch5s, 10S, 40S, 80S Elbow Type Long Radius, Short Radius, Straight Material Stainless Steel 304/304L, 316/316L, 321
Stainless Steel Elbow Material
There are various stainless steels to be adapted for pipe elbow used in different applications, as we know that stainless steel exhibits excellent properties to resist corrosion, heating and high pressure, thus, stainless steel elbow is often used in critical applications.
304 and 316L are the most used stainless steel grades, they are both high chromium austenitic grades and can be met the most cases, and other grades are available, such as 321/321H and 347/347H. Some special alloys are usually for the elbow as well, like 904L, and 2205.
Grade Carbon Silicon Manganese Chromium Nickel Molybdenum Sulfur Phosphorous WP 304 0,08 1,0 2.00 18.0 – 20.0 8.0 – 11.0 – 0,03 0,045 WP 304L 0,035 1,0 2.00 18.0 – 20.0 8.0 – 13.0 – 0,03 0,045 WP 316 0,08 1,0 2.00 16.0 – 18.0 10.0 – 14.0 2.00 – 3.00 0,03 0,045 WP 316L 0,035 1,0 2.00 16.0 – 18.0 10.0 – 15.0 2.00 – 3.00 0,03 0,045 WP 321 0,08 1,0 2.00 17.0 – 19.0 9.0 – 12.0 – 0,03 0,045
There are also EN steel no. for opting, these equivalents include 1.4301, 1.4307, 1.4401, 1.4404, 1.4541, 1.4550, 1.4438, and 1.4539.


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