EN 10025 S275 plates API Std 650 mechanically-anchored steel tanks

This API 650 tank standard does not present orstablish a fixed series of allowable tank sizes: instead, it s intended to permit the purchaser to select whatever size API Std 650 mechanically-anchored steel tanks tank may best meet his needs.

The hardness of the welds contacting these environments, including the heat-affected zones, shall be considered. The weld metal and adjacent heat-affected zone often contain a zone of hardness that is well in excess of a value of 22 on the Rockwell C scale and could be expected to be more susceptible to cracking than would unwelded metal. Any hardness criteria shall be a matter of agreement between the Purchaser and the API Std 650 mechanically-anchored steel tanks manufacturer and shall be based on an evaluation of the expected hydrogen sulfide concentration in the product, the possibility of moisture being present on the inside metal surface, and the strength and hardness characteristics of base metal and weld metal.

Our company will accept the product quality objection registration record, pass it to the API Std 650 mechanically-anchored steel tanks production unit and relevant departments, and timely coordinate the supervision of product API Std 650 mechanically-anchored steel tanks quality objection. Our company coordinates the relevant department personnel to the customer unit to carry on the investigation, the processing.