Black Square Pipe

We are offering black square pipe.
Square and rectangular steel pipe( erw and seamless)
detailed product description
(1)standard:
dinen 10210,din en 10219,astma500,gb/t 3094-2000,gb/t 6728-2002,gb/t178-2005,jisg3466,astm-a53.bs1387,jis-g3444,gb/t3091-2001
(2)material:
20#,q195,q235,q345,st 52,st 37,st 44,s355 jo h,s235 jr h
(3)od:
15mm*15mm-600*600mm
(4)wall thinkness.
0.5mm-25mm
(5)length:
as customer's requirement
(6)packing: standard export packing in bundles
(7)surface:
bared, galvanized, oiled, color paint, 3pe; or other anti-corrosive treatment
we can produce other specifications according to customers requirements.
technique :hot rolled, cold rolled, erw,high-frequency welded
inspection: with chemical composition and mechanical properties analysis; hydrostatic test, dimensional and visual inspection, also with nondestructive inspection
applications
water pipelines, waste waterlines , water supply mainsdeep tube wells casing pipes, gas/natural gas pipe lines, oil pipe lines, lpg & other non-toxic gas pipelinesindustrial purposes, sewerage system, industrial water lines/plant piping, vehicular chassis and frames, idlers & belt conveyorsagriculture and irrigation,scaffoldings, electrical cable conduits, cooling towers, antenna and telecom towers, cold storages, tabular polesfire protection systems, hvac, plumbing,fabrication industry, food processing, pharmaceutical, petrochemical, chemical, machine building, automobile