Description
ER120S-1 deposits high-strength, very tough weld metal for critical applications. Originally developed for welding HY100 steels for military applications, it is also used for a variety of structural applications where tensile strength requirements exceed 100 ksi (690 MPa), and excellent toughness is required to temperatures as low as -60ºF (-51°C). 120S-1 can be welded in all positions. Recommended shielding gas is CO2 or Argon/O2 mix.
| C | Ni | S | Other | Cr | Mn | Mo | Si | P |
| 0.07 | 2.4 | 0.008 | 0.50 max | 0.4 | 1.7 | 0.5 | 0.5 | 0.006 |
- Specifications: AWS A5.28, ASME SFA 5.28
- Classification: ER120S-1
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