We Super Steel Manufacturing Co.,Ltd(SMC) are amongst the top manufacturers and suppliers for the seamless steel pipe, welded steel pipe, OCTG products and fittings from China. We have been manufacturing and supplying these products to the industry since 1993, and received repeat orders and appreciation from our valued customers.
High quality piping products from approved manufacturers.
In order to continuously improve our offerings to our clients, we have consistently improved and upgraded our manufacturing facility and can hence offer material with stringent requirements.
Over the years, Super Steel Manufacturing Co.,Ltd(SMC) has developed an enviable reputation for project management for the Oil & Gas, Construction, Power Energy, Marine & Offshore, Water Treatment, Exploration & Drilling Services, Pipeline & Petrochemical and other heavy industries.
The many years of experience that we have means that there is always someone who has the ability to carry a project forward.
Always up to date. In this column you can find the steel pipe related articles, including industry trends, product standards and materials, and some technical guidelines.
The raw material of the SSAW steel pipe includes steel coil, welding wire, flux. All of raw materials must be through strict physical and chemical maintenance before the investment. This article will introduce the raw materials of SSAW steel pipe in details.
Steel Coil:
The steel coil is the primary raw material used in SSAW steel pipe production. It is unwound and formed into a spiral shape before being welded into a pipe. The steel coil typically consists of carbon steel, offering good strength, flexibility, and durability. Depending on the application, different grades of steel can be selected, such as Q235, Q345, or API 5L X42. The quality of the steel coil directly impacts the mechanical properties and performance of the final pipe.
Welding Wire:
Welding wire is used to fuse the steel edges together during the submerged arc welding process. It is essential to select the appropriate grade of welding wire to ensure a strong bond that matches the properties of the steel coil. Commonly used welding wires are made from low-carbon steel or low-alloy steel, which provides strong weld seams that are resistant to cracking and failure under stress.
Flux:
Flux is a material used during the submerged arc welding process to shield the weld from contamination and improve the quality of the weld. The flux creates a protective layer over the molten weld pool, preventing oxidation and impurities from weakening the weld. It also stabilizes the arc and improves weld penetration. High-quality flux ensures that the weld has good mechanical strength and a smooth finish.
Coating Materials (optional):
For applications where the SSAW steel pipe will be exposed to corrosive environments or harsh conditions, external and internal coatings are often applied. Common coating materials include fusion-bonded epoxy (FBE), polyethylene (PE), and bitumen. These coatings provide an additional layer of protection against corrosion, extending the pipe’s service life.
Physical and Chemical Testing:
Before any raw material is used in the production of SSAW steel pipes, it must undergo rigorous physical and chemical testing. This includes analyzing the chemical composition of the steel coil to ensure it meets the required standards, as well as testing for mechanical properties like tensile strength, impact resistance, and hardness. Welding wire and flux are also tested for consistency and quality, ensuring that they contribute to a strong, defect-free weld. These quality control measures are critical to ensuring the durability and safety of the final product.
In conclusion, the raw materials used in SSAW steel pipe production—steel coil, welding wire, and flux—are crucial to ensuring the pipe's quality and performance. Strict testing and careful selection of materials are essential to meet the requirements of various industrial applications.
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