SPA-H Corten Steel Sheet
Product
- Stainless Steel
- Stainless Steel Sheet/Plate Stainless Steel Coil Stainless Steel Tube/Pipe Stainless Steel Bar Stainless Steel Wire
- Carbon Steel
- Carbon Steel Sheet/Plate Carbon Steel Tube/Pipe Carbon Steel Coil Carbon Steel Bar Bulb Flat Bar Weathering Steel Wear Plate Silicon Steel Coil
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- Galvanized Steel Sheet/Plate Galvanized Steel Coil Galvanized Steel Tube/Pipe Galvanized Steel Wire PPGI Coil
- Aluminum
- Aluminum Coil/Strip Aluminum Sheet/Plate Aluminum Tube/Pipe Aluminum Bar/Rod Aluminum Circle/Wafer Aluminum Wire Aluminum Profile
Weathering Steel
S355 Corten Steel Sheet
Product Introduction
| Basic Classification & Identification | |
| Parameter | Description / Options |
| Product Form | Weathering Steel Coil / Corten Steel Coil / Atmospheric Corrosion Resistant Steel Strip / Plate |
| Key Property | Self-protecting oxide patina eliminates need for painting; 4-8x better corrosion resistance than carbon steel |
| ASTM Grades | A588 Grade A / B / C / K, A606 Type 4, A242 Type 1, A847, A871 Gr.60 / Gr.65 |
| EN 10025-5 Grades | S235J0W, S235J2W, S355J0W, S355J2W, S355K2W, S460J0W, S460J2W, S460K2W |
| JIS Grades | SPA-H, SPA-C (JIS G3125); SMA400AW/BW/CW, SMA490AW/BW/CW, SMA570W/P (JIS G3114) |
| GB/T 4171 Grades | Q235NH, Q295NH, Q355NH, Q415NH, Q460NH, Q500NH, Q550NH |
| Proprietary Grades | COR-TEN® A / B (SSAB), Arcorox® (ArcelorMittal) |
| Delivery Condition | Hot Rolled (HR) / Cold Rolled (CR) / Normalized / Thermomechanically Rolled (TMCP) |
| Surface Finish | As-rolled (mill scale) / Pickled & Oiled / Pre-weathered / Oiled for rust protection |
| Dimensional Specifications | ||
| Parameter | Typical Range | Tolerance / Standard |
| Thickness - Coil / Sheet | 0.5 mm – 8.0 mm (cold rolled); 1.6 mm – 40.0 mm (hot rolled) | EN 10051 (⅔ tolerance typical for SSAB); ASTM A6/A6M |
| Thickness - Plate | 3.0 mm – 200.0 mm (standard); up to 300 mm special order | EN 10029 Class A (¾ tolerance typical); ±0.25 to ±3.0 mm |
| Width - Coil | 800 mm – 2,200 mm (up to 1,860 mm typical for SSAB B) | Mill edge: -0/+20 mm; Slit edge: -0/+2 mm |
| Width - Plate | 1,000 mm – 4,000 mm | -0/+4 to -0/+10 mm (thickness dependent) |
| Length - Plate | 4,000 mm – 18,000 mm (custom up to 15m CTL) | -0/+15 to -0/+75 mm (length dependent) |
| Inner Diameter (ID) - Coil | 500 mm ± 20 mm (standard); 508 mm, 610 mm available | ±20 mm |
| Outer Diameter (OD) - Coil | 1,500 mm – 2,000 mm (max) | Customer agreement |
| Coil Weight | 2 – 5 MT (width ≤503 mm); 5 – 10 MT (width >503 mm); up to 25 MT | ±5% or as agreed |
| Flatness - Strip | Max deviation ≤3 mm/m (beyond EN 10051) | SSAB Weathering tolerances |
| Flatness - Plate | Max deviation ≤6 mm/m | ≤5 mm/m (t<20mm); ≤3 mm/m (t≥20mm) |
| Camber | As per EN 10051 | Narrower tolerances available on request |
| Mechanical Properties | |||
| Grade / Standard | Thickness (mm) | Yield Strength (MPa, min) | Tensile Strength (MPa) |
| COR-TEN® A (A242) | All | 345 | 485 |
| COR-TEN® B (A588) | ≤16 | 355 | 485-630 |
| >16 | 345 | 485-630 | |
| A606 Type 4 | All | 345 | 485 |
| A847 | All | 415 | 520 |
| A871 Gr.65 | All | 448 (65 ksi) | 550+ |
| S355J0W / J2W / K2W (EN) | ≤16 | 355 | 470-630 |
| >16-40 | 345 | 470-630 | |
| >40-63 | 335 | 470-630 | |
| S460J0W / J2W / K2W (EN) | ≤16 | 460 | 530-710 |
| >16-40 | 440 | 530-710 | |
| >40-63 | 430 | 530-710 | |
| S235J0W / J2W (EN) | ≤16 | 235 | 360-510 |
| Q460NH (GB/T) | ≤16 | 460 | 570-730 |
| >16-40 | 450 | 570-730 | |
| SPA-H (JIS) | All | 355 | 490+ |
| SMA490AW (JIS) | All | 365 | 490+ |
| Physical Properties | Density | 7.85 g/cm³ | Modulus of Elasticity |
| Thermal Expansion | 11.5×10⁻⁶/°C (20-100°C) | Thermal Conductivity | |
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