ND (09CrCuSb).
-containing approximately 0.06–0.12% Carbon, 0.25–0.75% Silicon, 0.50–1.25% Manganese, 0.30–1.25% Chromium, and 0.25–0.55% Copper-which enhances its resistance to .
minimum tensile strength of 450 MPa, yield strength of 315 MPaelongation exceeding 22% even under severe service conditions.

impact toughness of over 34 J/cm²low-temperature or high-stress environments.
, ND (09CrCuSb) Corten steel pipes are widely applied in , where long-term resistance to acidic and sulfur-bearing gases is critical.
| Dec, 2021 | |
| GB/T150.2-2011 | |
| 09CrCuSb | |
| OD.60.3mm * W.T. 3mm * L 5100mm | |
| C | P | S | ||||||
| 09CrCuSb Material | 0.12 max | 0.20-0.40 | 0.35-0.65 | 0.030 max. | 0.020 max. | 0.70-1.10 | 0.04-0.10 | 0.25-0.45 |
| 0.08 | 0.24 | 0.50 | 0.015 | 0.002 | 0.82 | 0.06 | 0.26 | |
| Rp0.2 (MPa) | A 50mm | mg/cm².h | ||
| 291/299 | 410/420 | 46.5/46.5 | 7.0 | |
Corten steel, renowned for its weather-resistant properties, offers numerous advantages, including:
- Exceptional corrosion resistance, eliminating the need for additional protective coatings.
- High tensile strength and toughness, ensuring longevity in harsh environments.
- Aesthetic appeal, with a unique rust-like appearance that enhances architectural designs.
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