| After-sales Service: | Quality Guarantee |
|---|---|
| Warranty: | 1 Year |
| Type: | Welded |
| Technique: | Hot Rolled |
| Material: | Carbon Steel |
| Surface Treatment: | Black |
| Samples: |
color:black
|
|---|
Suppliers with verified business licenses
Audited Supplier ERW Mild Steel Black Welded Square Structural Hollow Section Shape Steel Tube
| Grade | Q195,Q235,Q345,ASTM A36,ASTM A572 Grade 50,ASTM A500 Grade A |
| Outer Diameter | 10*20-150*200mm (Tolerance:±0.2mm) 10*10-200*200 (Tolerance:±0.2mm) |
| Wall Thickness | 0.25-15mm (Tolerance:±0.02mm) |
| Length | 0.1m-12m,orcustomized (Tolerance:-0+0.02m) |
| Processing Techniques | Steel Marking,Stencil Printing or Marking,Punching,Cutting,Welding,Bending |
| Surface Treatment | Oiled coating,Plastic plating,Painting Pre-galvanized : 30-120g/m2; Hot dipped galvanized : 200-500g/m2 |
| Standard | GB/T6728-2017,GB/T3091-2008,GB/T3094-2012, ASTM A500/A500M-21,ASTM A123/A123M-17, EN10219-1:2006,EN10240:1998, IS4923:2017,IS1239-2004, JIS G3466:2015 |
| Package | 1.bundle by steel strips 2.in bulk 3.in bundles with steel strips, and wrapped with waterproof cloth 4.Wooden pallet 5.according to client's requirement |
| Usage | Construction,Water /Gas Transportation,Mechanical Applications Decoretion,Product manufacture |
| MOQ | 10 Tons |
| Payment | T/T,L/C |
| Delivery time | 15-25 days |
| Square and Rectangular Steel Pipe size chart | ||
| Square Hollow Section | Rectangular Hollow Section | Thickness |
| 20*20 25*25 30*30 | 20*40 30*40 | 1.2-3.0 |
| 40*40 50*50 | 30*50 25*50 30*60 40*60 | 1.2-4.75 |
| 60*60 | 50*70 40*80 | 1.2-5.75 |
| 70*70 80*80 75*75 90*90 100*100 | 60*80 50*80 100*40 120*80 | 1.5-5.75 |
| 120*120 140*140 150*150 |
160*80 100*150 140*80 100*180 200*100 |
2.5-10.0 |
| 160*160 180*180 200*200 |
200*150 250*150 | 3.5-12.0 |
| 250*250 300*300 400*200 350*350 350*300 |
250*200 300*200 350*200 350*250 450*250 400*300 500*200 |
4.5-15.75 |
| 400*400 280*280 450*300 450*200 |
400*350 400*250 500*250 500*300 400*600 |
5.0-20.0 |
Packaging Details
1. In bundle with 8-9 steel stripes for small diameter steel pipe
2. Wrapped the bundle with water-proof bag and then bundled by steel stripes and nylon lifting belt in both ends
3. Loose package for big diameter steel pipe
4. As per clients requirement
Our company was founded in 2004, is a comprehensive steel manufacturer integrating production, processing and trade all in one. The company's premises are located in the place of industry strategic importance in shengfang of Hebei Province. enjoying the convenient traffic and occupying an advantageous location,the company covers an area of 30,000 square meters, construction area of 7,500 square meters, more than 200 employees. Our company now owns 15 ERW steel pipe production lines and 6 special precision steel pipe production lines., and can reach the annual production capacity of 1000,000 tons.
The company actively develops diversified operations, forming a production system with galvanized welded pipes and galvanized pipes as flagship products and covering precision steel pipe,black Strip,galvanized belt, Bright Strip, Black Pipe, Bright pipe, light gage steel Keel, and all kinds of different round Square and special pipes forming a whole producing system.Our products have sold abroad more than 30 countries in different continent including Canada , Singapore, Turkey and so on. we established the trade sale center in Tianjin in order to expand the market and serve to the customers abroad.
Tianjin Hongxin international trade co; Ltd is making close connection with multiple platforms and multi channels. to do the sales promotion. The company is operating in good faith, the purpose of serving customers warmly .we are looking forward to establish business relationship with partners around the world of win-win cooperation.FOR YOUR BEST ,WE DO BEST !
• Your inquiry related to our product & price will be replied within 24hours.
• Well-trained & experienced staff are to answer all your inquiries professional in English of course.
• Working time: 8:00am - 5:30pm, Monday to Friday.
• OEM is highly welcomed. We have strong R&D team here to help.
• Your business relationship with us will be confidential to any third party.
• Good after-sale service offered, please get back if you got question.
Suppliers with verified business licenses
Audited Supplier 
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