Duplex 2507 is a duplex tempered steel expected for applications which demand extraordinary quality and utilization resistance. Amalgam 2507 has 25% chromium, 4% molybdenum, and 7% nickel. This high molybdenum, chromium and nitrogen content results in dumbfounding assurance from chloride pitting and parted utilization attack and the duplex structure outfits 2507 with extraordinary insurance from chloride stress disintegration breaking. Utilization of Duplex 2507 should be limited to applications underneath 600° F (316° C). Extended raised temperature presentation can reduce both the solidness and disintegration hindrance of composite 2507. Duplex 2507 has remarkable mechanical properties. Much of the time a light proportion of 2507 material can be used to achieve a comparable arrangement nature of a thicker nickel composite.
The consequent save assets in weight can altogether diminish the general cost of creation. Combination 2507 (UNS S32750) is an overly duplex hardened steel with 25% chromium, 4% molybdenum, and 7% nickel intended for requesting applications which require uncommon quality and consumption obstruction, for example, synthetic procedure, petrochemical, and seawater hardware. The steel has amazing protection from chloride stress consumption splitting, high warm conductivity, and a low coefficient of warm extension. The high chromium, molybdenum, and nitrogen levels give great protection from pitting, hole, and general consumption. Compound 2507 is an excessively duplex hardened steel with 25% chromium, 4% molybdenum, and 7% nickel intended for requesting applications which require uncommon quality and consumption obstruction, for example, substance procedure, petrochemical, and seawater gear.
The steel has brilliant protection from chloride stress erosion splitting, high warm conductivity and a low coefficient of warm development. The high chromium, molybdenum, and nitrogen levels give astounding protection from pitting, hole, and general erosion. The effect quality is likewise high. Combination 2507 isn’t prescribed for applications which require long exposures to temperatures above 570°F as a result of the danger of a decrease in strength.
| Material | 2507 Super Duplex Sheet |
| Standard | ASTM A240 / ASME SA240 |
| Width | 10-2500mm |
| Length | 2m, 2.44m, 3m, or as required |
| Dimensions | ASTM A240 Type 2507 Duplex Sheet dimensions |
| Finish | Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) |
| Form | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc. |
ASTM Specifications
| Pipe Smls | Pipe Welded | Tube Smls | Tube Welded | Sheet/Plate | Bar | Flanges, Fittings & Valves |
| A790 | A790 | A789 | A789 | A240 | A276 | A182 |
Chemical Compositions of Duplex/Super Duplex Steel 2205/2507 Sheets, Plates & Coils
|
Duplex Steel 2205 |
Ni |
Cr |
Mo |
Mn |
Si |
C |
N |
S |
P |
Fe |
|---|---|---|---|---|---|---|---|---|---|---|
|
MIN |
4.5 | 22.0 | 3.0 | – | – | – | 0.14 | – | – | – |
|
MAX |
6.5 | 23.0 | 3.5 | 2.0 | 1.0 | 0.03 | 0.2 | 0.02 | 0.03 | Balance |
