QYD is one of the largest heat resistant alloy radiant tube manufactuer in the world, has 200000 square meters manufacturing base, could supply one-stop service to all kinds of radiant tubes.
QYD Radiant tubes are widely used in various kinds of heat treatment lines in metallugical industry, such like CAL, CGL and other heating furnaces. Most of Chinese and oversea steel&Iron giants and engineering companies are our longterm customers.
QYD Radiant tubes are applicable to many heating condition, could use combustion gas and electricity as heating resource.
| Item |
Content |
| Name |
Radiant Tube |
| Material |
Heatresistant alloy(HK40/1.4848; 1.4852; 2.4879; more 2), Inconel steel, or customized |
| Process |
centrifugal casting or welding pipe for the tube; static casting for elbow parts, flanges are forged |
| Type |
I type, U type, W type, P type, double P type |
| Working Temp. |
800-1500ºC |
| Specification |
Outside diameter minimum 60mm; wall thinckness minimum 3mm; Max length: >9m |
| Applicable Industry |
Metallurgical, petrochemical etc. |
Qingdao Yuanding Group Co., Ltd(Known as QYD). was founded in 1966. it is a comprehensive manufacturing enterprise which was restructured by state-owned enterprises. Headquartered in the Central Business District of Qingdao City. QYD has seven investment holding companies and two manufacturing industrial parks in Qingdao which located in Chengyang and Jimo, covering an area of more than 400000square meter. There are about 1100 employees including 286 engineers and technicians. All the leading products have passed the ISO 9001:2000 international quality system certification. The company has more 300 million RMB of fixed assets, with annual sales reaching 600-700 million RMB.
QYD is a key-legal protection unit and a AAA-level credit enterprise and an advanced collective of building materials industry in Shandong Province, a AAA-level credit enterprise and civilized unit in Qingdao City. Also a winner of the Shandong Quality Management Award.
Audited Supplier 
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