| Customization: | Available |
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| Material: | Castable |
| Refractoriness (℃): | 800-1500 |
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Audited Supplier Audited by an independent third-party inspection agency
QYD is qualified supplier of CNPC(one of the largest Chinese petroleum giant ). We supply reformer tube used in hydrogen-making reformer, DRI furnace; ethylen cracking tubes, manifold, radiant tubes and other many kinds alloy products used in petrochemical industry and DRI industry.
Qingdao Yuanding Group Co., Ltd (hereinafter referred to as QYD) was established in 1966. It is a comprehensive manufacturing enterprise that underwent restructuring from state-owned enterprises. QYD is headquartered in the Central Business District of Qingdao City. The company has seven investment holding companies and two manufacturing industrial parks located in Chengyang and Jimo, covering an area of over 400,000 square meters. With approximately 1,100 employees, including 286 engineers and technicians, all leading products have obtained ISO 9001 and 14001 international system certifications. QYD possesses fixed assets worth more than RMB 300 million and achieves annual sales of RMB 600-700 million. Moreover, it holds the status of being a key legal protection unit, AAA-level credit enterprise, advanced collective within the building materials industry in Shandong Province, as well as an AAA-level credit enterprise and civilized unit in Qingdao City. Additionally, QYD has been honored with the Shandong Quality Management Award.
GX40NiCrSiNb35-25
| Element | C | Si | Mn | S | P | Cr | Ni | Mo | Nb |
| % | 0.30-0.50 | ≤2.00 | ≤2.00 | ≤0.03 | ≤0.03 | 24.00-27.00 | 32.00-37.00 | ≤0.50 | 0.60-1.50 |
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