Special Pipes

To address this, we established a system that takes on the workload on your behalf and consolidates ordering with Benkan Kiko, a leading manufacturer with a proven track record.
Our long‑standing relationship enables close collaboration with Benkan Kiko—one of our key strengths. You can rely on us with confidence.

Benefits of one‑stop ordering through us for special pipes

1. No lot‑size constraints—specify freely to suit your requirements
2. We handle manufacturing control and statutory inspections, so you can proceed with confidence
3. Prefabrication available when on‑site work on the customer side is difficult

Manufacturing covers a range of materials including standard grades,
and we can accommodate large diameters as needed.

Applicable to ambient‑temperature, medium/high‑temperature, and low‑temperature service.
Materials include standard carbon steel and stainless steel, with other special materials available upon request.
A wide size range allows us to meet your requirements—making it easy to order large‑diameter special products.

Available materials

• Standard carbon steel and stainless steel
• Other special materials available upon request

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Size range by material

• Nominal diameter／400A(16B)〜1200A(48B)
• Wall thickness／90mm(max.)
• Length／short lengths to 8,000 mm(8,000L)

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*Maximum product weight: 10 t. Please consult us if exceeding this.*Short lengths can be manufactured to your required length; please contact us.
*End beveling (JIS bevels and special bevels) is available; please consult us.

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*This range table is for 500 N/mm²‑class steel.*The manufacturable range varies depending on the plate tensile strength; please consult us.
*Maximum product weight: 10 t. Please consult us if exceeding this.*Short lengths can be manufactured to your required length; please contact us.
*End beveling (JIS bevels and special bevels) is available; please consult us.