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LJ
GH2909 has high-strength, high-temperature, low-expansion coefficient and constant elastic modulus with constant anti-fatigue strength，good thermal plasticity, cold molding and welding properties. The main products include sticks, silk, plates, cold rolled steel, round sheets, etc.
Chemical Composition(%)
| C | Cr | Ni | Co | Al | Ti | Fe |
| ≤0.06 | ≤1.0 | 35.0-40.0 | 12.0-16.0 | ≤0.15 | 1.30-1.80 | Bal |
| Nb+Ta | B | Si | Mn | S | P | Cu |
| 4.30-5.20 | ≤0.012 | 0.25-0.50 | ≤1.0 | ≤0.015 | ≤0.015 | ≤0.50 |
GH2909 has high-strength, high-temperature, low-expansion coefficient and constant elastic modulus with constant anti-fatigue strength，good thermal plasticity, cold molding and welding properties. The main products include sticks, silk, plates, cold rolled steel, round sheets, etc.
Chemical Composition(%)
| C | Cr | Ni | Co | Al | Ti | Fe |
| ≤0.06 | ≤1.0 | 35.0-40.0 | 12.0-16.0 | ≤0.15 | 1.30-1.80 | Bal |
| Nb+Ta | B | Si | Mn | S | P | Cu |
| 4.30-5.20 | ≤0.012 | 0.25-0.50 | ≤1.0 | ≤0.015 | ≤0.015 | ≤0.50 |
