SGCC Galvanized Steel Pipe &Galvanised Tubing Supplier in China

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 Product Description

SGCC galvanized pipe is a commercial quality hot dip galvanized steel. Among them, the initial letter "S" stands for steel, "G" stands for galvanized, and "C" stands for cold-rolled steel. That is, the base material is cold rolled steel. The fourth letter "C" stands for commercial quality, which is equivalent to DX51D material according to the EN 10327 standard. SGCC galvanized pipe is made from SGCC galvanized coil.

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 Product Show

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 Advantage 

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 SGCC Chemical Composition

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 Production Process

• Forming

• Welding

• Heat treatment

• Size correction

• Galvanizing Surface treatment

• Inspection and testing

1. Forming

Steel strip uncoiling: The hot-rolled or cold-rolled steel strip is uncoiled from the coil and straightened by a straightening machine.

Forming process: The straightened steel strip is gradually rolled into a tube shape through a forming machine. The forming machine usually includes several forming rollers, which gradually roll the flat steel strip into a tube blank.

2. Welding

High-frequency welding: Use high-frequency welding equipment to weld the formed steel pipes, and the welds must be uniform and strong.

Welding seam treatment: After welding, the welding seam needs to be trimmed to remove burrs and spatter generated during the welding process.

3. Heat treatment

Annealing treatment: The welded steel pipe is annealed to eliminate welding stress and improve the plasticity and toughness of the pipe.

4. Size correction

Sizing and shaping: Use the sizing machine and shaping machine to correct the size of the welded pipe to ensure that its roundness and diameter meet the standard requirements.

5. Galvanizing Surface treatment

Pretreatment: Clean the surface of the steel pipe to remove impurities such as oxide scale, oil stains, etc. Common methods include acid cleaning, alkali cleaning, etc.

Hot dip galvanizing:Dip plating: Dip the cleaned steel pipe into molten zinc liquid to cover the surface of the steel pipe with a uniform zinc layer.

Cooling: The galvanized steel pipe is cooled, usually through water cooling or air cooling, to solidify the zinc layer.

Passivation treatment: Passivation treatment is performed on the galvanized steel pipe to further enhance its anti-corrosion performance.

6. Inspection and testing

Appearance inspection: Check the uniformity and surface quality of the galvanized layer, and whether there are defects such as missing plating and peeling.

Dimensional measurement: Measure the outer diameter, wall thickness, length, and other dimensions of the steel pipe to ensure compliance with standards.

Performance testing: including tensile test, bending test, impact test, etc. to ensure that the mechanical properties of the steel pipe meet the requirements.

Coating test: Test the thickness and adhesion of the galvanized layer to ensure anti-corrosion performance.

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 Company Profile

"Shunbei Ronghang Metal Co., Ltd." specializes in the production of special alloy steel, high-precision seamless pipes/plates/coils/rods, galvanized coils/tubes/plates, decorative pattern plates, PPGI/PPGL, cold-drawn profiles, aluminum plates/coils/ Rods, colored aluminum, copper plates/rolls/rods, stainless steel products, etc. We offer non-standard custom sizes, precision cutting of materials, forming, and packaging services.

We provide one-stop services for petroleum, chemical, electric power, auto parts, processing, and other industries. Our products are exported to Europe, North America, South America, Southeast Asia, the Middle East, and other countries, and have established a good international reputation among foreign customers.

We sincerely hope to establish a long-term comprehensive strategic partnership with you to achieve mutual benefit, win-win results, and common development.

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 Certificate

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  FAQ

Q1: How can we trust your company?

A: A: We have many years of experience in professional steel production and sales. The factory is headquartered in AD. You can contact us to visit our factory offline. We can reimburse you for the fare. This is a guarantee that no company dares to give you.

Q2: How can you guarantee the quality of your products?

A: We offer free samples and can send them to you through reliable shipping methods such as DHL, FedEx, EMS, or UPS. We always provide a pre-production sample before mass production and conduct a final inspection before shipment to ensure quality.

Q3: Do you have products in stock?

A: Yes, we have 10,000 tons of stock available in various sizes. Please inform us of the specific model you need, and we will provide you with the details of our stock.

Q4: How long will it take to produce my order?

A: Our normal production time is 7-25 working days, depending on the size and complexity of your order.

Q5: How much will the shipping cost be?

A: The shipping cost will depend on the size, weight, and shipping method of your order.

Q6: Can you assist in finding a shipping company?

A: Certainly! If you do not have a preferred shipping company, we can recommend a reliable and cost-effective option from our long-term cooperation with transport teams.

Q7: Will our goods be damaged during long-distance transport? How can we avoid it?

A: We take precautions to ensure that your goods are not damaged during transportation. We apply a low-viscosity protective film on the surface of the products to prevent scratches. Our team has professional experience in packaging and arranging goods for long-distance transport, ensuring that they safely reach your destination.