• Q195 Q235 Q355 Scrap Carbon Steel Pipe Black Carbon Fiber Square Pipes ERW Steel Hollow Section Tube 280*280*5.5~30.0
  • Q195 Q235 Q355 Scrap Carbon Steel Pipe Black Carbon Fiber Square Pipes ERW Steel Hollow Section Tube 280*280*5.5~30.0
  • Q195 Q235 Q355 Scrap Carbon Steel Pipe Black Carbon Fiber Square Pipes ERW Steel Hollow Section Tube 280*280*5.5~30.0
  • Q195 Q235 Q355 Scrap Carbon Steel Pipe Black Carbon Fiber Square Pipes ERW Steel Hollow Section Tube 280*280*5.5~30.0
  • Q195 Q235 Q355 Scrap Carbon Steel Pipe Black Carbon Fiber Square Pipes ERW Steel Hollow Section Tube 280*280*5.5~30.0
  • Q195 Q235 Q355 Scrap Carbon Steel Pipe Black Carbon Fiber Square Pipes ERW Steel Hollow Section Tube 280*280*5.5~30.0

Q195 Q235 Q355 Scrap Carbon Steel Pipe Black Carbon Fiber Square Pipes ERW Steel Hollow Section Tube 280*280*5.5~30.0

After-sales Service: Support
Warranty: One Year
Type: Welded
Technique: Hot Rolled
Material: Carbon Steel
Surface Treatment: Black
Samples:
US$ 10/Piece 1 Piece(Min.Order)
| Request Sample
Customization:
Gold Member Since 2024

Suppliers with verified business licenses

Tianjin, China
Importers and Exporters
The supplier has import and export rights
High Repeat Buyers Choice
More than 50% of buyers repeatedly choose the supplier
Production Process Visualization
You can check the supplier's production workflow chart or main facilities in the Audit Report
Management Certification
The supplier has quality management system certification, including:
ISO9001:2015 certificate
ISO14001
ISO45001:2018 certificate
to see all verified strength labels (31)
  • Overview
  • Product Parameters
  • Product Details
  • Process Flow
  • Product Display
  • Company Profile
  • Development Events
  • Certifications
  • FAQ
Overview

Basic Info.

Model NO.
Square and rectangular steel pipe
Usage
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
Section Shape
Square and Rectangulatr
Thickness
0.5-60mm
Length
0.5-24m According to Client Requirement
Od-Square
10*10mm-1000*1000mm
Od-Rectangular
10*15mm-800*1100mm
Od-Round
10.3mm-609mm
Technology
ERW
Delivery Time
7-30 Days
Materials
Gr.a/B/C, S235/275/355/420/460, A36, Ss400
Standards
Q355, Ss400, S355j2h, S355j0h, S355jrh
Oiled or Non-Oiled
Non-Oiled
Alloy or Not
Non-Alloy
Processing Service
Welding, Punching, Cutting, Bending, Decoiling
Certification
CE, LEED, BV, Phd&EPD, Bc1, En10210, En10219
Invoicing
by Theoretical Weight
Special Pipe
Other, API Pipe, Thick Wall Pipe
Transport Package
Bundles
Specification
280*280*5.5~30
Trademark
Yuantai Derun
Origin
Tianjin, China
Production Capacity
10million/Year

Product Description

 Q195 Q235 Q355 Scrap Carbon Steel Pipe Black Carbon Fiber Square Pipes ERW Steel Hollow Section Tube 280*280*5.5~30.0
Our Adavantage:
√ Quick reply within 24 hours.
√ Large Stock for regular sizes.
√ Free sample high quality.
√ 100% after-sales quality and quantity assurance.

 

Product Parameters

 
O.D mm W.T mm O.D mm W.T mm O.D mm W.T mm O.D mm W.T mm
20*20 1.3 60*120
80*100
90*90
1.5 180*180 3.0 300*800
400*700
550*550
500*600
 
1.4 1.7 3.5-3.75 9.5-9.75
1.5 1.8 4.5-4.75 11.5-11.75
1.7 2.0 5.5-7.75 12-13.75
1.8 2.2 9.5-9.75 15-50
2.0 2.5-4.0 11.5-11.75  
20*30
25*25
1.3 4.25-4.75 12-25  
1.4 5.0-6.3 100*300
150*250
200*200
2.75 300*900
400*800
600*600
500*700
 
1.5 7.5-8 3.0-4.0 9.5-9.75
1.7 50*150
60*140
80*120
100*100
1.5 4.5-9.75 11.5-11.75
1.8 1.7 11.5-11.75 12-13.75
2.0 2.0 12.5-12.75 15-50
2.2 2.2 13.5-13.75  
2.5-3.0 2.5-2.75 15.5-30  
20*40
25*40
30*30
30*40
1.3 3.0-4.75 150*300
200*250
3.75 300*1000
400*900
500*800
600*700
650*650
 
1.4 5.5-6.3 4.5-4.75  
1.5 7.5-7.75 5.5-6.3 9.5-9.75
1.7 9.5-9.75 7.5-7.75 11.5-11.75
1.8 11.5-16 9.5-9.75 12-13.75
2.0 60*160
80*140
100*120
2.5 11.5-11.75 15-50
2.2 2.75 13.5-30  
2.5-3.0 3.0-4.75 200*300
250*250
3.75 400*1000
500*900
600*800
700*700
 
3.25-4.0 5.5-6.3 4.5-4.75  
25*50
30*50
30*60
40*40
40*50
40*60
50*50
1.3 7.5-7.75 5.5-6.3 9.5-9.75
1.4 9.5-16 7.5-7.75 11.5-11.75
1.5 75*150 2.5 9.5-9.75 12-13.75
1.7 2.75 11.5-11.75 15-50
1.8 3.0-4.75 12-13.75  
2.0 4.5-4.75 15.5-30  
2.2 5.5-6.3 200*400
250*350
300*300
4.5-6.3 500*1000
600*900
700*800
750*750
 
2.5-3.0 7.5-7.75 7.5-7.75 9.5-9.75
3.25-4.0 9.5-16 9.5-9.75 11.5-11.75
4.25-4.75 80*160
120*120
2.5 11.5-11.75 12-13.75
5.0-5.75 2.75 12-13.75 15-50
5.75-6.3 3.0-4.75 15.5-30  
40*80
50*70
50*80
60*60
1.3 5.5-6.3 200*500
250*450
300*400
350*350
5.5-6.3 500*1100
600*1000
700*900
800*800
 
1.5 7.5-7.75 7.5-7.75 11.5-11.75
1.7 9.5-9.75 9.5-9.75 12-13.75
1.8 11.5-20 11.5-11.75 15-50
2.0 100*150 2.5 12-13.75  
2.2 2.75 15.5-30  
2.5-3.0 3.0-4.75 280*280 5.5-6.3 600*1100
700*1000
800*900
850*850
 
3.25-4.0 5.5-6.3 7.5-7.75 9.5-9.75
4.25-4.75 7.5-7.75 9.5-9.75 11.5-11.75
5.0-6 9.5-9.75 11.5-11.75 12-13.75
40*100
60*80
70*70
1.3 11.5-20 12-13.75 15-50
1.5 100*200
120*180
150*150
2.5 15.5-30  
1.7 2.75 350*400
300*450
7.5-7.75 700*1100
800*1000
900*900
 
1.8 3.0-7.75 9.5-9.75 11.5-11.75
2.0 9.5-9.75 11.5-11.75 12-13.75
2.2 11.5-20 12-13.75 15-50
2.5-3.0 100*250
150*200
3.0 15.5-30  
3.25-4.0 3.25-3.75 200*600
300*500
400*400
7.5-7.75 800*1100
900*1000
950*950
 
4.25-4.75 4.25-7.75 9.5-9.75 11.5-11.75
5.0-6.3 9.5-9.75 11.5-11.75 12-13.75
50*100
60*90
60*100
75*75
80*80
1.3 11.5-11.75 12-13.75 15-50
1.5 12-25 15.5-40  
1.7 140*140 3.0-3.75 300*600
400*500
450*450
7.5-7.75 900*1100
1000*1000
800*1200
 
1.8 4.5-6.3 9.5-9.75  
2.0 7.5-7.75 11.5-11.75 20-60
2.2 9.5-9.75 12-13.75  
2.5-3.0 11.5-25 15.5-40  
3.25-4.0 160*160 3.0 400*600
500*500
9.5-9.75 1100*1000
1100*1100
 
4.25-4.75 3.5-3.75 11.5-11.75 20-60
5.0-5.75 4.25-7.75 12-13.75  
7.5-8 9.5-25 15.5-40  
 

Product Details

Q195 Q235 Q355 Scrap Carbon Steel Pipe Black Carbon Fiber Square Pipes ERW Steel Hollow Section Tube 280*280*5.5~30.0

Process Flow

Q195 Q235 Q355 Scrap Carbon Steel Pipe Black Carbon Fiber Square Pipes ERW Steel Hollow Section Tube 280*280*5.5~30.0Q195 Q235 Q355 Scrap Carbon Steel Pipe Black Carbon Fiber Square Pipes ERW Steel Hollow Section Tube 280*280*5.5~30.0

Product Display

Q195 Q235 Q355 Scrap Carbon Steel Pipe Black Carbon Fiber Square Pipes ERW Steel Hollow Section Tube 280*280*5.5~30.0


Q195 Q235 Q355 Scrap Carbon Steel Pipe Black Carbon Fiber Square Pipes ERW Steel Hollow Section Tube 280*280*5.5~30.0

Company Profile

Q195 Q235 Q355 Scrap Carbon Steel Pipe Black Carbon Fiber Square Pipes ERW Steel Hollow Section Tube 280*280*5.5~30.0

Development Events

Q195 Q235 Q355 Scrap Carbon Steel Pipe Black Carbon Fiber Square Pipes ERW Steel Hollow Section Tube 280*280*5.5~30.0
Q195 Q235 Q355 Scrap Carbon Steel Pipe Black Carbon Fiber Square Pipes ERW Steel Hollow Section Tube 280*280*5.5~30.0
Q195 Q235 Q355 Scrap Carbon Steel Pipe Black Carbon Fiber Square Pipes ERW Steel Hollow Section Tube 280*280*5.5~30.0

Certifications

Q195 Q235 Q355 Scrap Carbon Steel Pipe Black Carbon Fiber Square Pipes ERW Steel Hollow Section Tube 280*280*5.5~30.0
Q195 Q235 Q355 Scrap Carbon Steel Pipe Black Carbon Fiber Square Pipes ERW Steel Hollow Section Tube 280*280*5.5~30.0

FAQ

Q1: How can I get a quotation from you ?
A1:You can leave us message, and we will reply every message in time. Or we may talk on line by We Chat / Whats app/Email.

Q2:Can I get samples before order ?
A2:Yes, of course. Usually our samples are free. we can produce by your samples or technical drawings. But the customer will pay the freight.

Q3:What product information must I provide before making a purchase ?
A3:Please provide the grade,width,thickness,and surface treatment requirement,as well as the quantities you require.

Q4:What about product pricing information?
A4:Prices vary due to changes in raw materials on a regular basis.

Q5:Can I have a visit to your factory?
A5: Of course.Our factory located at No.1,Hengtong Road,Daqiuzhuang Industrial Zone,Tianjin,China.Customers that from all over the world are welcomed to our factory.

Q6:How long is your lead time?
A6:If it is in stock, it is usually 5-10 days. Or, if there is no inventory, 15 days, depending on the quantity.

Q7:What are your payment terms?
A7:Payment<=1000USD, 100% in advance. Payment>=1000USD 30% T/T in advance ,balance before shippment.If you have another question, please feel free to contact us as below.


 











 

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