Q235 cold rolled steel tube black annealed treatment from manufacturer

Less than 12 meters,5.8 m and 6m are common

Steel material

Q235, Q345 ,S235JR ,S275 ,S355

Standard

BS1139-1775,EN1039,EN10219,ASTM A53AB

Zinc coating

100-500g if galvanized

Application

Carbon steel pipe use for construction ,building filed , low pressure liquid, water, gas, oil, line pipe

Pipe Ends

1) Plain

2) Beveled

3) Thread with Coupling or cap

4) Chamfer

5) Groove

6) Screw

End protector

1) Plastic pipe cap

2) Iron protector,clamp

Surface Treatment

1) Galvanized

2) Black Painted (varnish coating)

3) Bared

4) Oiled

5) PE,3PE, FBE, corrosion resistant coating, Anti corrosion coating.

Technique

Electronic Resistance Welded (ERW )

Electronic Fusion Welded (EFW)

Double Submerged Arc Welded (DSAW)

Welded Line Type

Longitudinal

Section Shape

Round

Inspection

With Hydraulic Testing, Eddy Current , Infrared Test

Package

1)Bundle

2)Bulk

Delivery

1) Container

2) Bulk carrier

Xingang Port,Tianjin, China

Date of Delivery

Within 15 days after the advance payment

T/T,L/C,D/A,D/P,cash

Others

Fitting as screws and flange also can be supplied.