Cold Drawn/Hot Rolled/Hot Expanded Line pipe API 5L grade B/X42/X46/X52 psl-1/psl-2 high quality API approved seamless steel pipe with black painting/painted black API 5L line pipes are our main products,we have more than 20 years seamless pipe manufacture history,since from 2009 year our pipe...
Mild steel pipe for HAVC pipeline system and other city low /medium pressure fluid transportation pipe
ASTM A106 B,ASTM A53 B,GB 8163 20#, as common usage,these pipes have a big demand in the developing country,facing to this market field, we as a professional manufacturer,directly exporting advantage is obviously,since from 2008 ,our products have exported to more than 50 countries from all over the world, the total quantity has been over 300,000 tons.
Available seamless pipe size range we can produce:
Outside diameter - 1/4 inch to 32 inch,DN8 to DN800,13.7mm to 813.0mm
Wall thickness - Schedule 20 to schedule 160
Mild steel pipe production technology:
Cold drawing pipe - Below 3/4 inch size made by cold drawing way
Hot rolled pipe - From 1 inch to 18 inch size made by hot rolling way
Hot expansion pipe - From 20 inch to 32 inch size made by hot expanding way
Packing and processing:
Pipe ends - 2 inch and above size pipes are beveled ends with 30 degree to 35 degree angle , below 2 inch pipes are plain ends,Both end with plastic caps of each pipe,some times do threading end and grooving end as client requirements.
Pipe body - prime black anti-rust painting on full outside body and 0.2m~1m inside body apart from pipe end.
Steel pipe package - 8 sets galvanized steel strip packing to regular hexagon bundles,2 lifting belt in the bundle's two ends,PVC covered if needed,each bundle weight less than 2 tons.
Pipe marking - Excellent marking on each pipe body as client requirements
ASTM A53 & A106 pipe Chemical Components & Mechanical Property :