Mar 11, 2026 Leave a message

manufacture custom size ERW pipes

1. Question: Do you perform third-party inspections? Can we hire an inspection agency like SGS or BV to witness the production and testing?
Answer: Yes, we welcome and encourage third-party inspections. We have a transparent policy that allows you or your nominated inspection agency (such as SGS, Bureau Veritas, TÜV, or Lloyds) to be present during key stages of production and testing. We will provide all necessary facilities and documentation to the inspector to ensure the product meets your exact specifications before it leaves the factory.

2. Question: I need a specific size not listed in your standard catalog. Can you manufacture custom size ERW pipes?
Answer: Yes, we specialize in flexibility. While we have standard tooling sizes, we can often manufacture custom dimensions (custom ODs or wall thicknesses) provided the volume meets the minimum order requirement for setting up the mill rolls. Please send us your specific outer diameter and wall thickness requirements, and our engineering team will confirm the feasibility and provide a commercial proposal.

3. Question: What is your typical Minimum Order Quantity (MOQ) for a new size?
Answer: Our MOQ for a standard production run of a specific size and grade is typically 20 to 25 metric tons. This usually represents a single truckload or a bundle that justifies a mill setup. However, we understand the need for sample orders. For sample or trial orders, we can often accommodate smaller quantities from stock or through our trading desk, though the unit price may be slightly higher.

4. Question: How is the price of ERW pipe usually calculated? Is it based on theoretical weight or actual weight?
Answer: The pricing method can vary based on the standard and the agreement. For most carbon steel pipes under ASTM or API standards, the industry standard is to price based on Actual Weight (AW) . The pipes are weighed on a certified scale, and the total invoice weight is the actual shipped weight. However, for some structural applications, quoting on a "per meter" basis or using a Theoretical Weight (TW) calculated from the nominal dimensions and a fixed density (7.85 g/cm³) is also common. We can offer quotes based on whichever method you prefer.

5. Question: Do you adjust the price if the steel price in the market fluctuates between the order date and the delivery date?
Answer: Our standard quotation is usually firm for a specific validity period (e.g., 7, 15, or 30 days) to protect you from short-term volatility. For long-term contracts or projects with delivery several months away, we typically include a price adjustment clause based on a recognized steel index (like Platts or CRU) to ensure fairness for both parties. We will clearly outline the pricing validity and any adjustment mechanisms in our formal quotation.

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