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.
Welding technology plays a crucial role in ensuring the production efficiency and quality of ERW (Electric Resistance Welded) steel pipes. Below are the key technical control methods we implement to maintain the high standards required for ERW steel pipe production.
Weld Gap Control
The gap between the steel edges before welding is carefully monitored and adjusted. Maintaining an optimal weld gap is essential to ensure proper fusion and minimize defects, such as incomplete penetration or excessive bead formation.
Welding Temperature Control
Accurate control of the welding temperature is vital for achieving strong welds. The steel must be heated to the correct temperature to allow for proper bonding between the edges without overheating, which could lead to material degradation or excessive spatter.
Pressing Force Control
The force applied during the welding process is precisely regulated to ensure that the molten edges are pressed together with the correct pressure. This step is crucial to avoid the formation of weak welds or defects like cracks, ensuring the strength and integrity of the pipe.
Frequency Induction Loop Position Control
The frequency induction system used to heat the pipe edges must be precisely positioned. Proper alignment ensures that the energy is concentrated exactly where it’s needed, preventing uneven heating and improving the overall efficiency of the welding process.
Impedance Check and Replacement
Regular impedance checks are performed to monitor the electrical resistance within the welding circuit. This helps to detect any abnormalities in the system that might affect the welding quality. Timely replacement or adjustments are made to maintain optimal conditions for the welding process.
Burr Removal
After welding, burrs—excess material that forms at the weld seam—are removed to produce a smooth finish. This step ensures that the pipe’s surface is free from irregularities that could affect its performance or cause issues during further processing or installation.
By implementing these rigorous welding controls, we ensure that our ERW steel pipes meet the required quality standards, offering durability, strength, and reliability in various industrial applications.
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