Welded Structural Steel Pipe
Welded steel pipe refers to a type of steel pipe that features a seam or joint along its length, which is formed by bending and deforming a steel strip or steel plate into desired shapes such as round, square, or rectangular. The production process involves taking flat steel plates or strips, which are then shaped into the intended pipe configuration through various forming techniques. Once the steel has been bent into shape, the edges are joined together by welding to create a strong and durable seam.
Product introduction
Welded Structural Steel Pipe
Pipe Type: Structural Pipe, Structural Welded Pipe, Welded Structural Pipe
Application: In the Structural Engineering Area and Construction Industry
Specification: OD: 88.9mm ~ 660mm
WT: 3mm ~ 17.5mm
LENGTH: 0.5mtr ~ 22mtr (5.8/6/11.8/12 meters, SRL, DRL)
Standard & Grades: ASTM A500 Grade 1/2/3, EN 10219
End: Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends
Surface: Bare, Lightly Oiled, Black/Red/Yellow Painting, Zinc/Anti-corrosive Coating
Packing: Bundled/In Bulk, Plastic Caps plugged, Waterproof Paper wrapped
Characteristics and Applications
Welded steel pipes offer several advantages over seamless pipes in certain applications:
Cost-Effectiveness: The manufacturing process of welded pipes is generally more economical than seamless pipes, making them cost-effective for various industrial uses.
Versatility: Welded pipes can be produced in a wide range of sizes and shapes to suit different application requirements. They are used in industries such as construction, infrastructure, oil and gas, automotive, and manufacturing.
Strength and Durability: Properly welded seams provide strength and durability comparable to seamless pipes, ensuring reliable performance in demanding environments.
Technical data
Chemical Composition
Grade | C | Mn | P | S | Si | Cr | Mo |
1010 | 0.08-0.13 | 0.30-0.60 | ≤0.04 | ≤0.05 | - | - | - |
1020 | 0.08-0.23 | 0.30-0.60 | ≤0.04 | ≤0.05 | - | - | - |
1045 | 0.43-0.50 | 0.60-0.90 | ≤0.04 | ≤0.05 | - | - | - |
4130 | 0.28-0.33 | 0.40-0.60 | ≤0.04 | ≤0.05 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 |
4140 | 0.38-0.43 | 0.75-1.00 | ≤0.04 | ≤0.05 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 |
Mechanical Properties
Grade | Condition | Tensile strength Mpa(min) | Yield stength Mpa(min) | Elongation %(min) |
1020 | CW | 414 | 483 | 5 |
SR | 345 | 448 | 10 | |
A | 193 | 331 | 30 | |
N | 234 | 379 | 22 | |
1025 | CW | 448 | 517 | 5 |
SR | 379 | 483 | 8 | |
A | 207 | 365 | 25 | |
N | 248 | 379 | 22 | |
4130 | SR | 586 | 724 | 10 |
A | 379 | 517 | 30 | |
N | 414 | 621 | 20 | |
4140 | SR | 689 | 855 | 10 |
A | 414 | 552 | 25 | |
N | 621 | 855 | 20 |
WORKSHOP EQUIPMENT
The company mainly produces hot rolled steel plate, cold rolled steel plate, carbon steel coil, carbon steel pipe, API pipe, structural steel, steel bar and other products. The company has obtained ISO9001 quality system certification and European CE certification, and provides MTC quality certification according to EN10204.3.1
Companies adhering to the "integrity, quality, win-win" spirit of enterprise, in the years of pioneering and enterprising, never forget the original aspiration, accumulated strength, with wisdom and sweat to lead the development of iron and steel industry.
The annual production capacity of cold rolled steel plate production line is 600,000 tons, and the production specification is 0.12-1.2mm*750-1250mm. The production line adopts advanced full hydraulic on the road, flexible and stable control, combined with thickness gauge to achieve automatic control of AGC plate thickness, so as to ensure product quality.
Company Details
HeGang Shandong Iron and Steel Group Co., Ltd. is a modern enterprise integrating the research, production, operation and export of cold-rolled sheets, hot-rolled sheets, galvanized sheets, color-coated sheets, corrugated sheets, roof sheets, galvanized steel wires, steel pipes and sections. , covering an area of 530,000 square meters, the company has multiple steel production lines, currently showing galvanizing and color coating production lines. It is a quality benchmark enterprise in China, a national contract-abiding and credit-worthy enterprise, and a national manufacturing individual champion enterprise. The company has 15 years of experience Production experience, customized according to customer needs, company business philosophy: quality first, customer first; complement each other to create prosperity.
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