CLASSIFICATIONCarbon steel: ASTM/ASME A234 WPB,WPC
Alloy: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP911 15Mo3 15CrMoV 35CrMoV
Low-temperature steel: ASTM/ASME A402 WPL3-WPL 6
High performance steels: ASTM/ASME A860 WPHY 42-46-52-60-65-70
Common connection fittings in the piping installation, connecting two nominal diameters are the same or different tubes, pipe turning angle, the nominal pressure for 1-1.6Mpa.
TECHNICAL REQUIREMENTSBecause pipe mostly used for welding, in order to improve the welding quality, Che Chengpo cutting tip, leaving a certain angle, with some edges, the requirements are quite strict, how thick the edge, angles and deviations are provided. Surface quality and mechanical properties of the pipe is the same. For ease of welding, pipe fittings and steel connecting pipe is the same.
All fittings must go through surface treatment, blasting Interior and exterior surfaces of iron oxide scale by sprayed, then coated with anti-corrosion paint. This is in order to export, moreover, is in the country in order to facilitate transport to prevent rust oxidation, are doing work in this area.
Is the packaging requirements for small fittings, such as export, you need wooden box, about 1 cubic meter, number of elbows in this box cannot exceed about one ton, the standard allows suits, is small, but generally should not exceed the total weight 1 ton. Big y is a single package, must be a single package like 24 ″. Is packaging tags, tag is to indicate size, number, lot number, manufacturer of steel trade marks.
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