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Butt welding elbow is a steel hot-pressed or forged elbow. Its connection form is to directly connect the elbow with the steel pipe. The main manufacturing standards for welding and butt welding elbows are generally B, B.,,,,,B.
Classification of butt welding elbows
() Butt welding elbows are divided according to their radius of curvature and can be divided into long radius butt welding elbows and short radius butt welding elbows. The radius of curvature of the long-radius butt weld elbow is equal to . times the outer diameter of the pipe, that is, R. The radius of curvature of the short-radius butt welding elbow is equal to the outer diameter of the pipe, which is R. where is the diameter of the butt welding elbow, and R is the radius of curvature. If there are no special instructions, the elbow of . is generally used.
() If divided by pressure level, there are about seventeen types, which are the same as the American pipe standards, including:,,,,,,,,,,,,,,,,, among which the most commonly used ones Yes and two.
() According to the angle of the elbow, there are degree butt welding elbows, degree butt welding elbows, degree butt welding elbows and other elbows with different angles.
() Materials include: carbon steel, alloy steel and stainless steel.
Butt welding elbow material classification
Carbon steel: B,
Alloy:, r, r
Stainless steel:
Low temperature steel:
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