- Overview
- Company Profile
- Certifications
- Packaging & Shipping
- FAQ
Basic Info.
Head Type
Hexagon
Arm
Single /Double
Wall Thickness
1mm-20mm
Ultimate Tensile Strength
490MPa-620 MPa
Height
From 3m to 25m
Usage
Public Places
Transport Package
Standard Sea Freight Packaging
Specification
6mm-650mm*1mm-150mm
Trademark
dajin
Origin
Liaocheng, China
HS Code
7305190000
Production Capacity
50000ton/Year
Product Description
| DN | Nominal value | Tolerance 1) | Maximum crack width and radial displacement |
| 80-300 | 4 | -1.5 | 0.4 |
| 350-600 | 5 | -2 | 0.5 |
| 700-1200 | 6 | -2.5 | 0.6 |
| 1400-2000 | 9 | -3 | 0.8 |
| 1)A negative tolerance only is given. Note: Pipe end may have a chamfer of maximum length 50 mm. | |||
1. Allowable deviation is 0.25mm.
2. Regularly one 40 feet HC container loads max 22000kgs of steel street traffic poles, the max quantities depends on the size and gross weight. 3. The price depends on design and market material price, normally customer provides design or drawing or technical requirement, or we make design draft drawing for confirmation according to customer's requirement.
Precise welding technology
Strong welding workmanship, combined by arc and hand welding technologies ensure solid strength to resist estimated max velocity.
Shandong Dajin Steel Tube Manufacturing Co., Ltd. is located in Liaocheng City, Shandong Province, which is the largest steel tube production base in China. Shandong Dajin Steel Tube Co., Ltd. is a professional manufacturer of cold rolled precision seamless steel tubes, the company has modernized standard workshops, dozens of advanced large-scale production lines of precision cold rolled tube mills, perfect physical and chemical testing equipment, the annual production of cold rolled precision seamless steel tubes is more than 50, 000 tons, and we have passed the ISO 9001: 2015 quality management system certification. We specialize in the production of precision bright seamless steel tubes, large-diameter fine-drawn tubes, alloy steel tubes and profiled tubes. We have been adhering to the tenet of "credit first, quality first, customer first", relying on credit and quality to actively explore and develop the market, and to meet the needs of customers for a variety of products. We are looking forward to being your reliable quality partner if you need. 
1.Do you have your own factory?
-Yes, our factory is located in Shandong Province. You are welcome to visit and inspect at any time.
2.Can you provide samples?
-Of course, we can provide you with free samples, but customers need to pay the shipping cost.
3.How long is your delivery time?
-Specifically, you need to consider the quantity and specifications of your order.
4.Will you deliver on time?
-Yes, we are committed to providing the highest quality products and deliver on time.
5.What kind of terms of payment?
-T/T,L/C,Specific payments should be resolved through further discussions.