Products Description
09CrCuSb (ND steel) resistant to sulfuric acid low temperature dew point corrosion steel (ND steel, ND steel, 09CrCuSb steel, 09CrCuSb steel, etc.). Usually called 09 club.
09CrCuSb ND steel is a new type of steel resistant to sulfuric acid low temperature dew point corrosion developed by Shanghai Institute of materials and Xingcheng Special Steel from 1987 to 1990
ND steel is a low alloy structural steel. Compared with other steels such as low carbon steel, corten and cr1a, ND steel has excellent corrosion resistance and mechanical properties.
Products Speification
| Specification | Specification |
| 19*2-4mm | 76-114 * 4-10mm |
| 25 * 2-4mm | 133-140 * 6-14mm |
| 32 * 2-5mm | 159-219 * 21-35mm |
| 38-42 * 3-5mm | 273-325 * 7-50mm |
| 51-63 * 3-5mm | 356-630 * 10-20mm |
Chemical Composition
| Grade | Chemical Composition(%) | |||||||
| C | Si | Mn | Cr | Cu | Sb | P | S | |
| 09CrCusb | ≤0.10 | 0.20-0.40 | 0.35-0.65 | 0.70-1.20 | 0.25-0.45 | ≤0.10 | ≤0.10 | ≤0.10 |
Mechanical Properties
| Grade | Tenslle Strength(MPa) | Yield Strength(MPa) | Elongation(%) |
| 09CrCuSb | 390-550 | ≥245 | ≥25 |
Chemical composition in GB 150.2-2011
| 09CrCuSb | |||||||
| C | Si | Mn | P | S | Cr | Cu | Sb |
| ≤0.12 | 0.20~0.40 | 0.35~0.65 | ≤0.030 | ≤0.020 | 0.70~1.10 | 0.25~0.45 |
0.04~0.10 |
Products Application
ND steel is currently the most ideal steel for "sulfuric acid low-temperature dew point corrosion resistance" at home and abroad, and its seamless steel tubes are widely used in the manufacture of economizers, air preheaters, heat exchangers and evaporations that are used in high sulfur flue gas The device and other equipment are used to resist the dew point corrosion of sulfur-containing flue gas.
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