HONG KONG SUNRISE MATERIALS CO., LIMITED
Hong Kong Sunrise Materials CO., Limited
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Hot Rolled S275 and S355 Mild Steel Carbon Steel , Weathering Steel Grade
With more than 15 years of hard work, our company has established an excellent working relationship with larger mills which include: WISCO, Baosteel, Capital steel, TISCO, Jinan steel, Rizhao steel, NISCO, Shagang, Xinyu steel, Wuyang steel, Anyang steel, Handan steel etc.
We have a dedicated sales team. We know our products well, proficient language skill allows us to communicate with all customers without any pressure.
1. Steel Grade of weathering Steel / Corten Steel:
| STANDARD | WEATHERING STEEL GRADE |
| EN10025-5 | S235J2W,S355J0WP,S355J2WP,S355J0W,S355J2W,S355K2W |
| JIS G3114 | SMA400AW,SMA400BW,SMA400CW,SMA400AP,SMA400BP,SMA400CP, SMA490AW,SMA490BW,SMA490CW,SMA490AP,SMA490BP,SMA490CP , SMA570W,SMA570P |
| CORTEN | Corten A , Corten B |
| GB4171-84 | 09CuPCrNi-A,09CuPCrNi-A,09CuP ASTM |
| A588/A588M | A588GrA,A588GrB,A588GrC,A588GrK |
2. Chemical Composition of Weathering Steel / Corten Steel:
| Grade | C | Si | Mn | P | S | Cu | Cr | Ni | Ti | RE |
| 09CuPCrNi-A | 0.12 | 0.25-0.75 | 0.20-0.50 | 0.06-0.12 | ≤0.02 | 0.25-0.50 | 0.30-1.25 | 0.12-0.65 | - | - |
| Q355GNH(A/B/C/D/E) | 0.12 | 0.20-0.75 | ≤1.0 | 0.07-0.15 | ≤0.02 | 0.25-0.55 | 0.30-1.25 | ≤0.65 | - | - |
| 09CuPTiRE-A | 0.12 | 0.20-0.40 | 0.25-0.55 | 0.06-0.12 | ≤0.02 | 0.25-0.50 | - | - | ≤0.030 | 0.010-0.040 |
| Corten A | 0.12 | 0.25-0.75 | 0.20-0.50 | 0.07-0.15 | 0.030 | 0.25-0.55 | 0.50-1.25 | 0.65 | - | - |
| Corten B | 0.19 | 0.80-1.25 | 0.80-1.25 | 0.035max | 0.030 | 0.25-0.40 | 0.40-0.65 | 0.40 | - | - |
3. Mechanical Properties of Weathering Steel / Corten Steel:
| Grade | Thickness(mm) | Yield Strength(MPa) | Tensile Strength(MPa) | Elongation A(%) |
| 09CuPCrNi-A | 2-6 | 345 | 480 | 24 |
| 6-12 | ||||
| Q355GNH(A/B/C/D/E) | 2-6 | 355 | 490-630 | 22 |
| 6-12 | ||||
| 09CuPTiRE-A | 2-6 | 295 | 390 | 24 |
| Corten A | 2-12 | 345 | 485 | 20 |
| 6-12 | ||||
| Corten B | 2-15 | 345 | 485 | 19 |
| 6-20,(20)-40 |
Feature of Weathering Steel:
- Color Changes when the steel exposed to the air
- Excellent weather resistance
- Environmental friendly
- Long service life
