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ASME/ANSI B16.9 buttweld 45/90 deg elbows ASTM A234

Concept of BW elbow Butt welding elbow is a kind of elbow formed by steel hot pressing or forging technology. The connection method is to weld the elbow and steel pipe through butt welding, and use...
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Concept of BW elbow

Butt welding elbow is a kind of elbow formed by steel hot pressing or forging technology. The connection method is to weld the elbow and steel pipe through butt welding, and use resistance heat to weld the two workpieces along the entire end face at the same time. Usually there is resistance The two methods of butt welding and flash butt welding have high productivity and are easy to automate, so they have been widely used. Butt welding elbows are divided into carbon steel, alloy steel and stainless steel elbows according to different materials; according to different angles, they are generally divided into 45-degree elbows, 90-degree elbows, and 180-degree butt welding elbows.

buttweld 45/90 deg elbows ASTM A234
buttweld 45/90 deg elbows ASTM A234

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ASTM A234 BW 90 DEG ELBOW DN15-2000
ASTM A234 BW 90 DEG ELBOW DN15-2000
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