SQJ551Ni1
It exhibits high impact toughness at −40°C, excellent all-position weldability, low diffusible hydrogen content, and superior crack resistance, making it suitable for welding EH40-grade steel in marine engineering, shipbuilding, and structural steel applications.
- Commodity name: SQJ551Ni1
- 国标: T10045 T553T1-1C1A-N2
- 美标: A5.29 E81T1-Ni1C
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