Alloy 31 Pipe/Tube/Accessories
- Grade:Alloy 31, 1.4562, N08031, X1NiCrMoCu 32-28-7
- OD: 6mm-630mm, 1/4"-24"
- WT: 0.7mm-30mm, Sch 10S-Sch XXS
- Length: Fixed or random length as specified
- Specifications: ASTM B622, B619, B626, B625, B581, B564, B649
- Delivery Condition: Annealed and Pickled, Birght Annealed, Mechanical Polished, Electric Polished
- Mill Certificate: EN 10204 3.1, EN10204 3.2
- Marking: Continuosly stenciled as specified.
- Packing: In bundle or plywood cases with end caps
- Manufacturing: Seamless, Welded
Description:
Alloy 31 is characterized by outstanding resistance to corrosion in halide media, both acidic and basic; outstanding resistance to sulfuric acid, even highly concentrated; outstanding resistance to corrosion and erosion-corrosion in phosphoric acid media; excellent resistance to both localized corrosion and general corrosion in chlorine dioxide bleach media; excellent resistance to both reducing and oxidizing media, and ease of fabrication and welding. Approval for pressure-vessel use involving wall temperatures from -196 to 550ºC (-320 to 1020ºF).
Chemical Composition:
| % | Ni | Cr | Mo | Fe | Ti | C | Si | p | Mn | Al | Cu | S |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | 30 | 26 | 6 | balance | - | - | - | - | - | - | 1 | - |
| Max | 32 | 28 | 7 | balance | - | 0.015 | 0.3 | 0.02 | 2 | - | 1.4 | 0.01 |
Mechanical Property:
| 20°C | Tensile Strength | Yield Strength | Elongation % | Hardness | Density |
|---|---|---|---|---|---|
| Min | 650Mpa | 276Mpa | 40% | - | 8kg/dm3 |
| Max | - | - | - | - | 8kg/dm3 |
Applications:
| > Ethylene furnace quench boilers | >Super-heater and re-heaters in power plants |
| >Hydrocarbon cracking | >Chemical and petrochemical processing |
| >Industrial furnaces | >Heat-treating equipment |
Range of Products:
| Plates / Sheets / Coil |
Heavy Plate Cold Rolled Sheet Hot Rolled Sheet Coil |
| Fittings |
Seamless LR Elbow / Welded LR Elbow Con Reducer / Ecc Reducer Con Tee / Ecc Tee / Cross Coupling / Cap |
| Flange |
Blind Plate Flanges Lap Joint Flanges Raised Face Blind Flanges Raised Face Slip On Flanges Raised Face Socket Weld Flanges Raised Face Threaded Flanges Raised Face Weld Neck Flanges Slip On Plate Flanges Blind Plate Flanges |
| Pipe / Tube |
Seamless Pipe Welded Pipe Seamless Tube Welded Tube Seamless U-Tube Welded U-Tube Square Tube Rectangular Tube |
| Bar |
Round Bar Square Bar Flat Bar Angel Bar Hexagon Bar |
Latest Reference Orders:
| 1 | 2 |
