Heat exchanger tube mining

coco

Our company needs to purchase a batch of S31603 and S31703 heat exchange tubes. What are the requirements of the order of heat exchange tubes?

2017-06-05 Reply

一路向东

The procurement requirements is nothing more than the material, dimensions, tolerances, stainless steel tube heat exchanger material requirements should be to meet the GB13296 standard, and the relevant requirements of NB/T47019.1, the diameter and wall thickness of the tube of tolerance

2017-06-07 17:21:35 Reply

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