Mild Carbon S355 Spiral Welded Pipe

Mild Carbon S355 Spiral Welded Pipe is a high-strength, low-alloy spiral welded carbon steel pipe with excellent mechanical properties and a wide range of applications.

Material and Performance:
The main material is carbon steel, and an appropriate amount of alloying elements are added to enhance its mechanical properties and corrosion resistance.
The "S355" logo means that the minimum yield strength of the pipe reaches 355 MPa, showing its excellent load-bearing capacity.
The pipe has good weldability, plasticity and toughness, which makes it perform well in various engineering applications.
Spiral Welding Process:
Spiral welding technology ensures the continuity and sealing of the pipeline structure and improves the pressure-bearing capacity and safety of the pipeline.
During the welding process, welding parameters such as welding temperature, speed and pressure are strictly controlled to ensure the quality of the weld and the overall performance of the pipeline.
Specifications and Applications:
S355 Spiral Welded Pipe can be customized with different diameters and wall thicknesses according to specific needs to meet the requirements of different projects.
It is widely used in construction, bridges, ships, machinery manufacturing and other fields, especially as a load-bearing structure and connector.
Due to its high strength and good weldability, it is also commonly used in equipment manufacturing in the petroleum, chemical, and power industries.
Chemical composition and mechanical properties:
The chemical composition of S355 steel includes elements such as carbon, silicon, manganese, phosphorus, and sulfur, of which the carbon content is usually between 0.14% and 0.22%, and the manganese content is between 1.60% and 2.00%.
In terms of mechanical properties, the tensile strength of S355 steel is 470-630 MPa, the yield strength is 355 MPa, the elongation is 22%, and the impact toughness is 27J (-20°C).

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 Trade manager. And you can also find our contact information on contact page.
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. We can build the molds and fixtures.
Q3. What is your delivery time?
A3: The time of delivery is usually around 15-20 days. We can send out in 2 days, if it has stock.
Q4. How do you make our business long-term and good relationship?
A4: We keep good quality and competitive price to ensure our customers benefit ; We respect every customer as our friend and we sincerely do business and make friends with them,no matter where they come from.

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