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Ss 304 1.2 Mm Sheet Price
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1. Standard Thickness of 1.2 mm SS 304 Sheet
| Nominal Thickness | Metric Value |
|---|---|
| SS 304 Sheet | 1.2 mm |
However, the actual thickness is not always exactly 1.200 mm in real production.
2. Typical Thickness Tolerance Range (Cold Rolled)
For cold rolled stainless steel sheets such as 304 grade:
| Nominal Thickness | Typical Tolerance | Actual Thickness Range |
|---|---|---|
| 1.2 mm | ±0.04 mm to ±0.06 mm | 1.14 mm – 1.26 mm |
The exact tolerance depends on:
- International standards (ASTM, EN, JIS)
- Mill production capability
- Width and coil condition
- Surface finish requirements
3. Why Thickness Tolerance Exists
Even in modern precision rolling, perfect thickness consistency is impossible due to physical and mechanical limitations of steel production.
1) Rolling Pressure Variation
During cold rolling:
- Steel passes through high-pressure rollers
- Slight variations in pressure cause micro thickness changes
2) Material Springback
Stainless steel has:
- High strength
- Elastic recovery after deformation
This causes slight thickness variation after rolling.
3) Temperature Influence
Even small temperature differences during rolling can affect:
- Material flow behavior
- Final thickness accuracy
4) Edge vs Center Difference
Thickness may vary slightly between:
- Coil center
- Coil edges
4. Importance of Thickness Tolerance in 1.2 mm Sheets
Even small deviations affect real applications:
Fabrication accuracy
- CNC bending angle consistency
- Laser cutting precision
- Assembly fit-up
Weight calculation
Since pricing is usually weight-based:
- Thicker sheets = higher weight
- Direct impact on cost estimation
Welding and forming behavior
- Thickness variation affects heat input
- Influences deformation during forming
5. Cold Rolled vs Hot Rolled Thickness Accuracy
| Property | Cold Rolled (1.2 mm Sheet) | Hot Rolled |
|---|---|---|
| Thickness Accuracy | High | Lower |
| Surface Quality | Smooth (2B/BA) | Rough (No.1) |
| Tolerance Control | Tight | Wider range |
| Application | Precision fabrication | Heavy structural use |
6. Why 1.2 mm SS 304 Is Popular
1.2 mm thickness is widely used because it offers:
- Good balance between strength and flexibility
- Easy bending and laser cutting
- Stable welding performance
- Suitable weight for structural panels
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