SS 310 / 310S Hairline Finish SheetASTM A240 · Mill / trade finish · Manufacturer, trader & exporter, India
AISI 310S · UNS S31008
An SS 310 / 310S hairline finish sheet is sheet brushed with long continuous lines, made from SS 310 / 310S to ASTM A240. Hairline (HL) finish gives long unbroken brush lines for lift doors, façades and interiors.
- ASTM A240
- Mill / trade finish
- EN 10204 3.1 / 3.2
- Export packing
Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026
What is an SS 310 / 310S Hairline Finish Sheet?
- What it is
- Sheet brushed with long continuous lines
- Material
- ASTM A240
- Dimensions
- Mill / trade finish
- Grade
- SS 310 / 310S · UNS S31008
- Best at
- Furnaces, burners and heat treatment at high temperature
SS 310 / 310S Hairline Finish Sheet Specification
| Product | SS 310 / 310S Hairline Finish Sheet |
|---|---|
| Material standard | ASTM A240 |
| Dimensional standard | Mill / trade finish |
| 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 Hairline Finish Sheet
Hairline (HL) finish gives long unbroken brush lines for lift doors, façades and interiors.
- Continuous long lines
- Decorative
- PVC film protection
More on choosing: Hairline finish sheet guide.
SS 310 / 310S Hairline Finish Sheet: Why 310S for hairline finish sheets
Hairline (HL) finish gives long unbroken brush lines for lift doors, façades and interiors. In SS 310 / 310S, 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 | Stainless sheet is formed and finished for visible or hygienic surfaces. SS 310 / 310S is picked for furnaces, burners and heat treatment at high temperature. |
|---|---|
| Typical service | Furnace parts — Muffles, retorts, radiant tubes and conveyor belts. |
| Matching filler | ER310 (AWS A5.9) |
SS 310 / 310S Hairline Finish Sheet Chemical Composition
Under technical review for TDS.
| Element | Current requirement |
|---|---|
| Chromium | As specified |
| Nickel | As specified |
| Carbon | As specified |
| Manganese | As specified |
| Silicon | As specified |
| Phosphorus | As specified |
| Sulphur | As specified |
| Iron | 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 S31008.
SS 310 / 310S Hairline 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 S31008 — Annealed plate & sheet.
Full chemistry, properties and equivalents are on the SS 310 / 310S grade page.
Other SS 310 / 310S sheets
SS 310 / 310S Hairline Finish Sheet — questions buyers ask
Hairline or No.4?
Hairline has longer, continuous lines; No.4 has shorter brush marks.
Which standard covers SS 310 / 310S hairline finish sheets?
The material is ASTM A240; dimensions follow Mill / trade finish. Always state both on your purchase order, with the edition if your project specifies one.
What decides the price of a SS 310 / 310S hairline 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