SQJ551Ni2
With impact toughness at −40°C and −60°C, excellent all-position weldability, low diffusible hydrogen content, and superior crack resistance, EQ420–EQ460 steels are suitable for welding in marine engineering, shipbuilding, steel structure construction, and other related fields.
- Commodity name： SQJ551Ni2
- 国标： T10045 T554T1-1C1A-N5
- 美标： A5.29 E81T1-Ni2C
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