Excellent corrosion resistance, durability, and scratch resistance! Environmentally friendly steel pipes that achieve long service life even in harsh conditions!
Chubu Nippon Highway Engineering Nagoya Co., Ltd. (Engineering Nagoya)'s "PT type" is a handrail with a structure that possesses excellent corrosion resistance and durability, achieving a long lifespan even in harsh environments such as audit paths within tunnels. Compared to conventional hot-dip galvanized steel pipes (our products), it exhibits exceptional resistance to red rust. Additionally, from the perspective of "achieving high corrosion resistance with a small amount of coating" and "ensuring a long lifespan," it can be considered an environmentally friendly, chrome-free, resource-saving type of steel pipe. 【Features】 ■ Achieves long lifespan even in harsh environments ■ Excellent corrosion resistance, durability, and scratch resistance ■ High corrosion resistance with a small amount of coating ■ Environmentally friendly, chrome-free, resource-saving type of steel pipe *For more details, please refer to the PDF document or feel free to contact us.
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basic information
[Investigation Results of Red Rust Formation] [Salt Spray Test (JIS Z 2371) Corrosion Resistance Test Results] (Foundation) Japan Weathering Test Center ■ The weld bead cut surface of ZAM steel pipes has undergone a special thermal spraying treatment, ensuring high corrosion resistance is maintained throughout the entire steel pipe. ■ The bead area on the inner surface of ZAM steel pipes is also protected from corrosion due to the sacrificial corrosion effect and a dense zinc-based protective film containing Al and Mg. *For more details, please refer to the PDF document or feel free to contact us.*
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For more details, please refer to the PDF document or feel free to contact us.
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Company information
The construction of highways that support the future of living and industry, as well as the management and operation of over 2,000 km of routes including the Tomei Expressway and Meishin Expressway, which are the lifelines of Japan. The NEXCO Central Japan Group provides various products and services to leverage the technologies and knowledge cultivated through these projects for business purposes. Each product is developed by maximizing the know-how gained from a long career. We are committed to firmly supporting the creation of safe and comfortable roads. <NEXCO Central Japan Group Technical Products Listed Group Companies> ◎ Central Japan Expressway Company, Limited *The address listed on the site is for this company ● Central Japan Highway Engineering Nagoya Co., Ltd. ● Central Japan Highway Engineering Tokyo Co., Ltd. ● Central Japan Highway Maintenance Nagoya Co., Ltd. ● Central Japan Highway Maintenance Chubu Co., Ltd. ● Central Japan Highway Maintenance Tomei Co., Ltd. ● Central Japan Highway Maintenance Hokuriku Co., Ltd. ● Central Japan Highway Patrol Nagoya Co., Ltd. ● Central Japan Highway Patrol Tokyo Co., Ltd. ● Central Japan Expressway Technology Marketing Co., Ltd. ● Central Japan Expressway Auto Service Co., Ltd.