1.Technical Parameters
2.Product Showcase

3.Production Facility

4.Qulality Control


5.Our Service
Chengdu Derbo Steel focus on pipe&tube solution for project application for more than 10 years with good quality and reasonable price,has succeed to cooperated with Sheel,Lukoil and other famous oil&gas companies all over the world.
If you have any inquiry for our products,please don't hesitation to contact us.We will provide you the most competitive quotation and technical support.
| Steel Flanges | ||
| Material | Carbon steel | ASTM A105. ASTM A350 LF1. LF2, CL1/CL2, A234, S235JRG2, P245GH |
| P250GH, P280GHM 16MN, 20MN ,20# | ||
| Stainless steel | ASTM A182, F304/304L, F316/316L | |
| Alloy steel | ASTM A182 A182 F12,F11,F22,F5,F9,F91etc. | |
| Standard | ANSI | Class 150 Flanges-Class 2500 Flanges |
| DIN | 6Bar 10Bar 16Bar 25Bar 40Bar | |
| JIS | 5K Flanges-20K Flanges | |
| UNI | 6Bar 10Bar 16Bar 25Bar 40Bar | |
| EN | 6Bar 10Bar 16Bar 25Bar 40Bar | |
| TYPE | 1.Welding neck Flange 2.Slip on | |
| 3.Blind flange 4.Long welding neck flange | ||
| 5.Lap joint flange 6.Socket welding | ||
| 7.Threaded flange 8.Flat flange | ||
| Surface | Anti-rust oil, clear lacquer, Black lacquer, Yellow lacquer,hot-dipped Galvanized,electrical galvanized | |
| Connection | Welding, Threaded | |
| Technical | Forged, Casting | |
| Size | DN10-DN3600 | |
| Package | 1.>Standard export packaging (Plywood Case Of Outside,Plastic Cloth Of Inside). 2:As Customers' Requirements | |
| Heat Treatment | Normalizing, Annealing, Quenching+Tempering | |
| Certificate | TUV,ISO9001:2008;PED97/23/EC,ISO14001:2004,OHSAS18001:2007 | |
| Applications | Water works, Shipbuilding industry, Petrochemical & Gas industry, Power industry, Valve industry and general pipes connecting projects etc. | |

3.Production Facility

4.Qulality Control


5.Our Service

If you have any inquiry for our products,please don't hesitation to contact us.We will provide you the most competitive quotation and technical support.