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We export butt weld fitting< for petroleum, chemical, water supply system and fabrication industry.
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One of the most common methods for manufacturing elbows is using hot mandrel bending from straight steel pipes.
After heating the steel pipe at a elevated temperature, the pipe is pushed, expanded, bended by the inner tools of mandrel step by step.
Applying hot mandrel bending can manufacture a wide size range seamless elbow.
The characteristics of mandrel bending are strongely depend on the intergrated shape and dimensions of the mandrel.
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After heating the steel pipe at a elevated temperature, the pipe is pushed, expanded, bended by the inner tools of mandrel step by step.
Applying hot mandrel bending can manufacture a wide size range seamless elbow.
The characteristics of mandrel bending are strongely depend on the intergrated shape and dimensions of the mandrel.
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