| Customization: | Available |
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| After-sales Service: | 24 Hourse/ 7 Days |
| Warranty: | 1 Year |
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Suppliers with verified business licenses
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; ethylene cracking tubes, manifold, radiant tubes and other many kinds alloy products used in petrochemical industry and DRI industry.
Qingdao Yuanding Group Co., Ltd(hereinafter called 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 seveninvestment holding companies and two manufacturing industrial parks in Qingdao which located in Chengyang and Jimo, covering an area of more than 400000 square meters. There are about 1100 employees including 286 engineers and technicians. All the leading products have passed the ISO 9001 and 14001 international system certification. The company has more 300 million RMB of fixed assets, with annual sales reaching 600-700 million RMB.|
Material
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Chemical Composition
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316L
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C ≤0.030; Si≤1.00; Mn≤2.00; S≤0.030; P ≤0.045; Cr: 16--18; Ni: 10--14; Mo: 2--3
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CF-3M
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C ≤0.030; Si≤1.50; Mn≤1.50; S≤0.040; P ≤0.040; Cr: 17--21; Ni: 9--13; Mo: 2--3
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| Steel specifications | |
| ZG4Cr9Si2 | ZG1Cr18Ni9Ti |
| ZG2Cr24Ni7Si2 | ZG1Cr20N14Si2 |
| ZG2Cr25Ni20Si2 | ZG4Cr25Ni20Si2 |
| ZG3Cr18Mn12Si2N | ZG3Cr22Mn4Ni4Si2N |
| ZG3Cr30Ni11N | ZG3Cr24Ni7SiN |
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