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Low and medium pressure boiler pipe

Boiler tubes

Low and medium pressure boiler pipe uses steel ingot or solid tube to perforated capillary, and then dial made ​​by the hot-rolled, cold rolled or cold.

According to incomplete statistics, China's seamless pipe production enterprises is about 240 more than a seamless steel pipe unit is about more than 250 sets of production capacity of about 450 million tons. Seen from the caliber <φ76, accounting for 35% <φ159-650, accounting for 25%.

From a variety of general purpose of the 1.9 million tons, accounting for 54%; oil pipe 760,000 tons, accounting for 5.7%; hydraulic prop, precision tube 15 million tons, accounting for 4.3%; stainless steel pipe, tube bearings, automotive tube for a total of 50 000 tons, accounting for 1.4%.

Low and medium pressure boiler pipe executive Standard:

  • GB3087-1999 low and medium pressure boiler seamless steel tubes.

Low and medium pressure boiler pipe is used to create a variety of structures with low pressure boiler superheated steam roller pipes and locomotive boiler superheated steam pipe, opium pipe, small pipe and arch brick works of high quality carbon structural steel hot-rolled and cold pull (rolled) seamless tube.

Mainly used in industrial boilers and boiler in conveying low pressure fluid in the pipeline. The representative of material 10, 20 steel.



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