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Hairline Finish Stainless Steel Sheet
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Hairline finish stainless steel sheet refers to a decorative stainless steel surface with long, continuous, and uniform linear brushing lines. It is widely used in architectural decoration, elevator panels, interior design, and commercial wall cladding.
In the stainless steel surface finishing system, hairline finish is often compared with No.4 brushed finish, which is another common decorative surface. The main difference lies in texture, appearance, processing cost, and market price level.
1. What Is Hairline Finish Stainless Steel?
Hairline finish (HL) is produced by:
- Mechanical grinding with fine abrasive belts
- Creating long, continuous straight grain lines
- Controlling direction consistency across the sheet
Visual characteristics:
- Long, smooth, directional lines
- More refined and modern appearance
- Strong decorative effect in architectural use
2. What Is No.4 Finish Stainless Steel?
No.4 finish is also a brushed surface but:
- Uses shorter abrasive strokes
- Produces a more random, fine satin texture
- Less directional compared to hairline finish
Visual characteristics:
- Matte satin appearance
- Uniform but less “linear” look
- More industrial and functional style
3. Price Difference: Hairline vs No.4 Finish
In general market conditions, hairline finish is slightly more expensive than No.4 finish stainless steel sheet.
Why Hairline Costs More:
- More precise grinding process
- Requires strict grain direction control
- Higher polishing and finishing time
- Lower production efficiency compared to No.4
4. Price Comparison Table (Relative Level)
| Finish Type | Processing Complexity | Appearance Quality | Relative Price Level |
|---|---|---|---|
| No.4 brushed finish | Medium | Standard decorative | Base level |
| Hairline finish (HL) | Higher | More refined, linear design | +5% to +15% higher |
Note: actual price difference depends on thickness, grade (304/316), and surface protection film.
5. Application Differences
Hairline Finish Stainless Steel Sheet
- Elevator cabins and doors
- Luxury interior wall panels
- High-end architectural decoration
- Commercial building façades
No.4 Finish Stainless Steel Sheet
- Kitchen equipment
- Industrial decoration
- Wall cladding in general buildings
- Functional architectural surfaces
6. Key Difference Summary
| Feature | Hairline Finish | No.4 Finish |
|---|---|---|
| Grain pattern | Long and directional | Short and random |
| Visual effect | High-end, modern | Standard decorative |
| Processing difficulty | Higher | Medium |
| Price level | Slightly higher | More economical |
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