Super Duplex 2507 2B Finish SheetASTM A240 · ASTM A480 · Manufacturer, stockist & exporter, India
UNS S32750 · W.Nr 1.4410
A Super Duplex 2507 2b finish sheet is cold-rolled sheet that is annealed, pickled and skin-passed, made from Super Duplex 2507 to ASTM A240. 2B is the standard finish for stainless sheet — smooth, bright-matte and ready for fabrication, polishing or coating.
- ASTM A240
- ASTM A480
- EN 10204 3.1 / 3.2
- Export packing
Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026
What is a Super Duplex 2507 2B Finish Sheet?
- What it is
- Cold-rolled sheet that is annealed, pickled and skin-passed
- Material
- ASTM A240
- Dimensions
- ASTM A480
- Grade
- Super Duplex 2507 · UNS S32750
- Best at
- Seawater and high-chloride service where strength also matters
Super Duplex 2507 2B Finish Sheet Specification
| Product | Super Duplex 2507 2B Finish Sheet |
|---|---|
| Material standard | ASTM A240 |
| Dimensional standard | ASTM A480 |
| Thickness | Below 4.76 mm (3/16") |
| Size | 1000 / 1219 / 1250 / 1500 × 2000 / 2438 / 2500 / 3000 mm or cut |
| Testing | PMI · dimensional · NDT and IGC on request |
| Documents | EN 10204 3.1 · 3.2 with third-party inspection |
When to Choose a 2B Finish Sheet
2B is the standard finish for stainless sheet — smooth, bright-matte and ready for fabrication, polishing or coating.
- Cold rolled, annealed, pickled, skin-passed
- Most common industrial finish
- Base for No.4 and hairline polishing
More on choosing: 2B finish sheet guide.
Super Duplex 2507 2B Finish Sheet: Why 2507 for 2b finish sheets
2B is the standard finish for stainless sheet — smooth, bright-matte and ready for fabrication, polishing or coating. In Super Duplex 2507, the choice usually comes down to the medium and temperature — the rows here are the points buyers check for this exact combination.
| Why this grade | Duplex sheet saves weight through strength. Super Duplex 2507 is picked for seawater and high-chloride service where strength also matters. |
|---|---|
| Typical service | Offshore & subsea — Seawater injection, firewater and subsea piping. |
| Matching filler | ER2594 (AWS A5.9) |
Super Duplex 2507 2B Finish Sheet Chemical Composition
| Element | Weight % |
|---|---|
| Chromium | 24.0 – 26.0 |
| Nickel | 6.0 – 8.0 |
| Molybdenum | 3.0 – 5.0 |
| Nitrogen | 0.24 – 0.32 |
| Copper | 0.50 max |
| Carbon | 0.030 max |
| Manganese | 1.20 max |
| Silicon | 0.80 max |
Super Duplex 2507 2B Finish Sheet Mechanical Properties
| Solution-annealed plate & sheet | Value |
|---|---|
| Tensile strength | 795 MPa · 116 ksi |
| Yield strength 0.2% | 550 MPa · 80 ksi |
| Elongation | 15% |
| Hardness | 310 HB max |
Full chemistry, properties and equivalents are on the Super Duplex 2507 grade page.
Other Super Duplex 2507 sheets
Super Duplex 2507 2B Finish Sheets for export
FOB / CIF · Nhava Sheva (JNPT), MumbaiSuper Duplex 2507 2B Finish Sheet — questions buyers ask
What does 2B mean on stainless sheet?
It is an ASTM A480 finish code: cold rolled, heat treated, pickled and given a light skin-pass for a smooth matte surface.
Which standard covers Super Duplex 2507 2b finish sheets?
The material is ASTM A240; dimensions follow ASTM A480. Always state both on your purchase order, with the edition if your project specifies one.
What decides the price of a Super Duplex 2507 2b finish sheet?
The alloy price, the size and dimensions, quantity, and the testing and documents required. Send your list and we quote the same working day.
What documents do you supply?
EN 10204 3.1 mill certificates as standard, 3.2 with third-party inspection on request, plus dimensional and PMI reports.
Sources: the ASTM / ASME specifications named on this page and producer datasheets · Last updated October 2026