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Technical Specifications
Product Overview
Pickled and Oiled Steel Sheet is a high-quality cold-rolled carbon steel product that has undergone pickling and oiling treatment to provide superior surface quality and corrosion protection. The pickling process removes scale and oxides, while the oil coating provides temporary corrosion resistance during storage and handling.
Key Features:
- Excellent surface quality with scale-free finish
- Superior formability and deep drawing characteristics
- Consistent thickness and flatness tolerances
- Temporary corrosion protection from oil coating
- Ready for painting, plating, or further processing
Manufacturing Process: Cold-rolled steel is pickled in acid solution to remove surface oxides, then rinsed, dried, and coated with a thin layer of protective oil to prevent rust formation during storage and transportation.
Applications: Automotive body panels, appliance manufacturing, construction materials, metal furniture, HVAC components, electrical enclosures, and general fabrication where excellent surface quality and formability are required.
🧪 Chemical Composition
| Element | Min % | Max % | Typical % | ASTM A1008 Requirement |
|---|---|---|---|---|
| Carbon (C) | - | 0.15 | 0.08 | ≤ 0.15 |
| Manganese (Mn) | - | 0.60 | 0.35 | ≤ 0.60 |
| Phosphorus (P) | - | 0.030 | 0.015 | ≤ 0.030 |
| Sulfur (S) | - | 0.035 | 0.020 | ≤ 0.035 |
| Silicon (Si) | - | 0.30 | 0.15 | ≤ 0.30 |
| Aluminum (Al) | 0.020 | 0.080 | 0.040 | 0.020-0.080 |
| Nitrogen (N) | - | 0.009 | 0.005 | ≤ 0.009 |
| Copper (Cu) | - | 0.20 | 0.10 | ≤ 0.20 |
| Iron (Fe) | Balance | Balance | 98.8 | Balance |
⚙️ Mechanical Properties
| Property | ASTM Requirement | Typical Value | Test Method | Temperature |
|---|---|---|---|---|
| Tensile Strength | 270-410 MPa | 320 MPa | ASTM A370 | Room Temp |
| Yield Strength | 140-280 MPa | 180 MPa | ASTM A370 | Room Temp |
| Elongation | 22% min | 38% | ASTM A370 | Room Temp |
| Hardness (Rockwell B) | 65-85 HRB | 75 HRB | ASTM E18 | Room Temp |
| Hardness (Brinell) | 120-170 HB | 145 HB | ASTM E10 | Room Temp |
| Modulus of Elasticity | - | 200 GPa | ASTM E111 | Room Temp |
| Formability (r-value) | - | 1.4-1.8 | ASTM E517 | Room Temp |
🔬 Physical Properties
| Property | Value | Unit | Temperature | Test Standard |
|---|---|---|---|---|
| Density | 7.85 | g/cm3 | 20°C | ASTM B311 |
| Melting Point | 1510-1540 | °C | - | DSC Analysis |
| Thermal Conductivity | 50-60 | W/m·K | 100°C | ASTM E1461 |
| Specific Heat | 460 | J/kg·K | 0-100°C | ASTM C351 |
| Linear Expansion | 11.7 | μm/m·K | 0-100°C | ASTM E228 |
| Electrical Resistivity | 100-200 | n|°¤m | 20°C | ASTM B193 |
| Magnetic Permeability | High | μ/μ₀ | Room Temp | ASTM A342 |
| Curie Temperature | 770 | °C | - | Ferromagnetic |
📏 Product Specifications
| Specification | Available Range | Standard Size | Custom Available | Tolerance |
|---|---|---|---|---|
| Thickness | 0.5mm - 12mm | 1.0-6.0mm | Yes | ±0.05mm |
| Width | 600mm - 2100mm | 1000-1500mm | Yes | ±3mm |
| Length | 1000mm - 6000mm | 2000-3000mm | Yes | ±5mm |
| Surface Finish | Pickled & Oiled | P&O Standard | No | Ra ≤ 1.6μm |
| Edge Condition | Mill Edge, Slit Edge | Mill Edge | Yes | ASTM A1008 |
| Flatness | ≤ 5mm/m | ≤ 3mm/m | Improved | ASTM A1008 |
| Standards Compliance | ASTM A1008, A1011 | A1008 | Multiple | Full compliance |
| Grade Options | CS Type A, B, C | CS Type B | Yes | Grade specific |
| Test Certificate | Mill TC, EN 10204 3.1 | Mill TC | Yes | Standard |
| Packaging | Coils, Cut Sheets | Cut Sheets | Both | Export standard |
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Our Advantages in Processing แผ่นเหล็กดองและน้ำมัน
Enhanced Surface Cleanliness
The acid pickling process thoroughly removes surface scale, rust, and oxides from the steel sheet, creating an exceptionally clean surface that is free from contaminants. This results in superior material quality and improved downstream processing capabilities.
Superior Corrosion Protection
The application of protective oil coating immediately after pickling creates an effective barrier against atmospheric corrosion and oxidation. This dual-step treatment ensures extended shelf life and maintains the steel's pristine surface condition during storage and transport.
Improved Paint Adhesion
The pickled and oiled surface preparation creates an ideal substrate for paint and coating applications. The clean, smooth surface profile enables better mechanical bonding and chemical adhesion, resulting in superior coating performance and longer-lasting finish.
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