Heat treatment process for increasing the hardness of the overall manhole flange sealing surface
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Product Description
关键词： Heat treatment process for increasing the hardness of the overall manhole flange sealing surface
Why Choose Us
The company is equipped with over 80 sets of forging and processing equipment, including a 4,000‑ton forging hydraulic press, a 4,000‑mm ring‑rolling mill, and heat‑treatment facilities. It also boasts 18 units of inspection and testing equipment, such as fully quantitative and portable spectrometers, room‑temperature and high‑temperature tensile testers, ultra‑low‑temperature impact testing machines, and digital ultrasonic flaw detectors. The facility has an annual production capacity of 30,000 tons of forgings made from carbon steels, alloy steels, stainless steels, and nickel‑based alloys, with the largest forgings featuring a maximum billet outer diameter of 4,000 mm.
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Our staff will contact you within 24 hours (on business days). If you require additional assistance, please call our service hotline:0519-86211051
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Service Hotline:0519-86211051
Email:changzhou@erfalan.com
Address: Xinkang Village, Xueyan Town, Wujin District, Changzhou City, Jiangsu Province