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Black Carbon Welded Steel Pipe

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Black carbon welded steel pipe means Electric Resistance Welded Pipes, mainly character is the welding beam is smooth, two end no burr, hardness is very strong, so some special material can be used for machine components.

Product Description

Brief introduction

Black Carbon Welded Steel Pipe means Electric Resistance Welded Pipes and the raw material is carbon steel, mainly character is the welding beam is smooth, two end no burr, hardness is very strong, so some special material can be use for machine components. It is used in building engineering, construction material, scaffolding, line pipes, underground transfer assemble structural, chemical liquid transfer, oil and gas transfer etc. Outside surface can be treated by galvanized, oil, black painting, 3pe or as customer request. Normal usage validity time will be around 5-10 years.


Product Description

1.  Carbon welded steel pipe

2.   Main application: scaffold pipe, building material, structural, construction 

3.   Material: Q195,Q215,Q235,Q345,ST37,ST52,SS400



Place of Origin: China

Brand Name: Jinnuo

Certification: ISO9000

Minimum order:  10MT

Packing Details:  Loose, plastic package, black strips, G.I strips

Supplying Ability: 5000MT-10000MT per Month


Specification

Product nameBlack carbon welded steel pipe
Out diameter15-508mm
Wall Thickness0.5-20mm
Length5.8m, 6m,12m or as per customers' requirement
Pipe end1.Plain end2.Beleved end3.Thread with coupling and cap4. Grooved
Surface1.Galvanized2.Painted (Black or red painting)3.Oil4.Bared or as per customers' requirement
StandardASTM/BS/JIS/DIN/GB
MaterialQ195,Q235B,Q345B,St37,St52,SS400,S235JR,S275JR.S355JR etc
CertificateISO9000
ApplicationSteel Structure,Building Material,Scaffold Steel Pipe,Funiture Pipe etc


Production Process

1.Uncoiling

2.Edge cutting

3.Eddge conditiong

4.Rolling to shape

5.Spot welding

6.Forming

7.Colibrating

8.End facing

9.Polishing

10.Hydro test

11.X-ray testing

12.Pickling

13.Inspection marking and put in storage