SS 304L Hairline Finish SheetASTM A240 · Mill / trade finish · Manufacturer, trader & exporter, India
AISI 304L · UNS S30403
An SS 304L hairline finish sheet is sheet brushed with long continuous lines, made from SS 304L 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 304L Hairline Finish Sheet?
- What it is
- Sheet brushed with long continuous lines
- Material
- ASTM A240
- Dimensions
- Mill / trade finish
- Grade
- SS 304L · UNS S30403
- Best at
- Welded tanks, piping and vessels in general corrosive service
SS 304L Hairline Finish Sheet Specification
| Product | SS 304L 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 304L Hairline Finish Sheet: Why 304L for hairline finish sheets
Hairline (HL) finish gives long unbroken brush lines for lift doors, façades and interiors. In SS 304L, 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 304L is picked for welded tanks, piping and vessels in general corrosive service. |
|---|---|
| Typical service | Process piping — Welded lines in chemical and pharma plants. |
| Matching filler | ER308L (AWS A5.9) |
SS 304L 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 |
| Nitrogen | As specified |
| Phosphorus | As specified |
| Sulphur | 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 S30403.
SS 304L 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 S30403 — Annealed plate & sheet.
Full chemistry, properties and equivalents are on the SS 304L grade page.
Other SS 304L sheets
SS 304L 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 304L 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 304L 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