Duplex 2205 2B Finish SheetASTM A240 · ASTM A480 · Manufacturer, trader & exporter, India
UNS S32205 / S31803 · W.Nr 1.4462
A Duplex 2205 2b finish sheet is cold-rolled sheet that is annealed, pickled and skin-passed, made from Duplex 2205 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 Duplex 2205 2B Finish Sheet?
- What it is
- Cold-rolled sheet that is annealed, pickled and skin-passed
- Material
- ASTM A240
- Dimensions
- ASTM A480
- Grade
- Duplex 2205 · UNS S32205
- Best at
- Strength with chloride resistance at a stainless-steel budget
Duplex 2205 2B Finish Sheet Specification
| Product | Duplex 2205 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 (as specified in the PO) · dimensional · NDT and IGC on request |
| Documents | EN 10204 3.1 or 3.2 on request / as specified in the PO |
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.
Duplex 2205 2B Finish Sheet: Why 2205 for 2b finish sheets
2B is the standard finish for stainless sheet — smooth, bright-matte and ready for fabrication, polishing or coating. In Duplex 2205, 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. Duplex 2205 is picked for strength with chloride resistance at a stainless-steel budget. |
|---|---|
| Typical service | Oil & gas — Flowlines, manifolds and topside piping. |
| Matching filler | ER2209 (AWS A5.9) |
Duplex 2205 2B Finish Sheet Chemical Composition
Under technical review for TDS.
| Element | Current requirement |
|---|---|
| Chromium | As specified |
| Nickel | As specified |
| Molybdenum | As specified |
| Nitrogen | As specified |
| Carbon | As specified |
| Manganese | As specified |
| Silicon | As specified |
| Phosphorus | As specified |
Numerical specification requirements are published only after the applicable current standard edition has been verified. Governing specification to be verified: ASTM A240 for UNS S32205.
Duplex 2205 2B Finish Sheet Mechanical Properties
Under technical review for TDS.
| Property | Current requirement |
|---|---|
| Tensile strength | As specified |
| Yield strength 0.2% | As specified |
| Elongation | As specified |
| Hardness | As specified |
Numerical specification requirements are published only after the applicable current standard edition has been verified. Governing specification and condition to be verified: ASTM A240 for UNS S32205 — Solution-annealed plate & sheet.
Full chemistry, properties and equivalents are on the Duplex 2205 grade page.
Other Duplex 2205 sheets
Duplex 2205 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 Duplex 2205 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 Duplex 2205 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 or 3.2 certificates available on request / as specified in the PO; dimensional reports as required. PMI can be arranged depending on product and requirements, as specified in the PO.
Sources: the ASTM / ASME specifications named on this page and producer datasheets · Last updated October 2026