bv certificate u beam u channel upn upe u bar

  • bv certificate u beam u channel upn upe u bar

  • Unqualified welding quality of bv certificate u beam u channel upn upe u bar is prone to hidden dangers such as oil tank steel plate cracks and leakage. To avoid this situation as much as possible, it needs to be avoided when the oil storage tank is manufactured. Scientific and reasonable measures are adopted to control the welding quality when welding the bv certificate u beam u channel upn upe u bar. How to reasonably control the welding process quality of oil storage tanks?

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The weldability of bv certificate u beam u channel upn upe u bar is good. It means that under certain process and construction conditions, bv certificate u beam u channel upn upe u bar can obtain good performance after welding. Weldability is a measure of the hot workability of steel. Weldability can be divided into weldability in construction and weldability in use. Weldability in construction refers to the sensitivity of cracking in weld metal and near seam zone, and hardening sensitivity of steel in near seam zone. Good weldability means that under certain welding process conditions, the weld metal and steel near the seam do not produce cracks. Weldability in use means that the mechanical properties of weld and HAZ steel are not lower than those of base metal.

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