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hebeihaihao

Hebei haihao high pressure flange & pipe fitting group was established in 1982, located in Mengcun County the hometown of pipe fittings in China.


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DIN2440 ST33.2 seamless carbon steel pipe and tube


DIN 2440 Grade St 33-2 standard applies to seamless tubes including tubes for headers of heat-resistant steels which are used in the construction of boilers, pipe-lines, pressure vessels and equipment for service up to 600″ and at simultaneous high pressures, where the to total stress and the relevant scaling conditions can raise or lower the temperature limit. Our pipe are been supplied in both Plain Square cut,Deburred Ends or Bevelled End. This can be provided with Mill Standard Varnished ,stencilled and bundle Strapped with end caps fitted. Each Bundle is packed according to the customer requirement for export orders. DIN 2440 Grade St 33-2 Carbon Steel Seamless Tubes are certified with Mill test Certificate in accordance with En 10204 Type 3.1/3.2. Where 3.2 indicates In-stage inspection by independent inspection agencies like TUV, DNV, BVQS, LLOYDS & EIL.

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