SS 904L Hairline Finish SheetASTM A240 · Mill / trade finish · Manufacturer, stockist & exporter, India
Alloy 904L · UNS N08904
An SS 904L hairline finish sheet is sheet brushed with long continuous lines, made from SS 904L 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 904L Hairline Finish Sheet?
- What it is
- Sheet brushed with long continuous lines
- Material
- ASTM A240
- Dimensions
- Mill / trade finish
- Grade
- SS 904L · UNS N08904
- Best at
- Dilute sulphuric acid, phosphoric acid and chloride-bearing cooling water
SS 904L Hairline Finish Sheet Specification
| Product | SS 904L 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 · dimensional · NDT and IGC on request |
| Documents | EN 10204 3.1 · 3.2 with third-party inspection |
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 904L Hairline Finish Sheet: Why 904L for hairline finish sheets
Hairline (HL) finish gives long unbroken brush lines for lift doors, façades and interiors. In SS 904L, 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 904L is picked for dilute sulphuric acid, phosphoric acid and chloride-bearing cooling water. |
|---|---|
| Typical service | Sulphuric acid plants — Coolers, piping and tanks for dilute sulphuric acid. |
| Matching filler | ER385 (AWS A5.9) |
SS 904L Hairline Finish Sheet Chemical Composition
| Element | Weight % |
|---|---|
| Nickel | 23.0 – 28.0 |
| Chromium | 19.0 – 23.0 |
| Molybdenum | 4.0 – 5.0 |
| Copper | 1.0 – 2.0 |
| Carbon | 0.020 max |
| Manganese | 2.00 max |
| Silicon | 1.00 max |
| Nitrogen | 0.10 max |
SS 904L Hairline Finish Sheet Mechanical Properties
| Annealed plate & sheet | Value |
|---|---|
| Tensile strength | 490 MPa · 71 ksi |
| Yield strength 0.2% | 220 MPa · 31 ksi |
| Elongation | 35% |
| Hardness | 90 HRB max |
Full chemistry, properties and equivalents are on the SS 904L grade page.
Other SS 904L sheets
SS 904L Hairline Finish Sheets for export
FOB / CIF · Nhava Sheva (JNPT), MumbaiSS 904L 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 904L 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 904L 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 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