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4x8 Stainless Steel Sheet Cost
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A 4x8 stainless steel sheet (1219 mm × 2438 mm) is one of the most common standard sizes used in industrial fabrication, construction, kitchen equipment, and machinery manufacturing. The cost of a stainless steel sheet is not fixed and is mainly calculated based on weight, grade, thickness, and market material conditions.
Understanding the cost calculation method helps buyers estimate procurement budgets more accurately.
1. Basic Cost Calculation Formula for Stainless Steel Sheet
The most common pricing method for stainless steel sheets is based on weight (kg):
Cost Formula
Sheet Cost = Weight (kg) × Unit Price (per kg)
Weight Calculation Formula
For stainless steel sheet:
Weight (kg) = Thickness (mm) × Width (m) × Length (m) × 7.93
Where:
- 7.93 = density of stainless steel (g/cm³ converted factor)
- Thickness in mm must be converted into meters in calculation
- Standard 4x8 sheet size = 1.219 m × 2.438 m
2. Example: 4x8 Stainless Steel Sheet Weight
| Thickness | Approx. Weight (kg per sheet) |
|---|---|
| 0.5 mm | ~11.8 kg |
| 1.0 mm | ~23.6 kg |
| 2.0 mm | ~47.3 kg |
| 3.0 mm | ~71.0 kg |
| 6.0 mm | ~142.0 kg |
This shows that thickness is the main factor affecting total cost.
3. 300 Series vs 400 Series Stainless Steel Price Difference
Are 300 series and 400 series priced the same?
No, they are not the same.
The pricing difference mainly comes from chemical composition and performance differences.
4. 300 Series Stainless Steel (Austenitic)
Common grades:
- 304 / 304L
- 316 / 316L
Key features:
- Higher nickel (Ni) content
- Excellent corrosion resistance
- Non-magnetic or weak magnetic
- Good weldability and formability
Cost characteristics:
- Higher material cost
- More stable in corrosive environments
- Widely used in food, chemical, marine industries
5. 400 Series Stainless Steel (Ferritic / Martensitic)
Common grades:
- 430
- 409
- 410
Key features:
- Lower nickel or no nickel content
- Magnetic material
- Moderate corrosion resistance
- Good hardness in some grades
Cost characteristics:
- Lower cost than 300 series
- More economical option
- Used in appliances, decoration, automotive parts
6. Price Comparison Summary
| Property | 300 Series (304/316) | 400 Series (430/410) |
|---|---|---|
| Nickel Content | High | Low or none |
| Corrosion Resistance | Excellent | Moderate |
| Cost Level | Higher | Lower |
| Applications | Industrial, marine, food | Appliance, decorative, automotive |
| Overall Price | Higher | More economical |
7. Key Factors Affecting 4x8 Stainless Steel Sheet Cost
Besides grade and weight, cost is influenced by:
- Thickness (main cost driver)
- Surface finish (2B, BA, No.4, mirror)
- Material grade (304 vs 316 vs 430)
- Market nickel price fluctuations
- Processing requirements (cutting, polishing)
- Order quantity
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