Square tube carbon steel pipe black hollow section carbon steel Q235 square metal tube

Standard:ASTM A53,A500,GB/T3094

Size OD: 10*10-400*400MM

W.T:1.0-17MM

LENGTH:5.8-6M as usual

Material:gr.a,gr.b,195-q345,x42,x46,x65,x70

Main use: Structure pipe, Fence/Door pipe,Building, Furniture and so on

Surface:oil, black, varnish, hot dipped galvanized,pre galvanized

Packing: In bundles, with water proof plastic tarpaulin cover. steel tags

Payment: at sight L/C or 30%T/T

Product Detail

Seamless	Pipe Billet( Hot Rolled, or Con-casting), Mother Pipe
Welded	Hot Rolled Steel Coil (HRC) , Cold Rolled Steel Coil (CRC), Pre-pained Galvanized Steel Strip
End	Square cut, Burr removed
Surface	Lightly oiled, Hot dip galvanized, Electro galvanized, Black
Heat Treatment	Bright Annealed, Black Annealed
Packing	Plastic plugs in both ends, Hexagonal bundles of max. 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips
Test	Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yieldstrength, Elongation), Technical Properties (Flattening Test, Flaring Test, Bending Test, Hardness Test, Blow Test, Impact Test etc), Exterior Size Inspection
Mill Test Certificate	EN 10204/3.1B