Attention
When installing and operating the anchor chain make sure that the fastening arrangement complies with the first shot parameters.
The first shot is used to connect the anchor chain to the onboard anchor handling gear. It consists of an enlarged link, a common link and an end link.
When installing and operating the anchor chain make sure that the fastening arrangement complies with the first shot parameters.
Materials
1 – carbon steel;
2 – alloy steel;
3 – alloy steel with additional heat treatment.
External coating
BIT – bitumen paint, 1 layer, ISO 12944-5
Standard
ISO 1704
First shot link geometry complies with ISO 1704.
Strength characteristics meet Class Rules including IACS design, construction and operation standards.
| Chain grade | 1 | 1 | 2 | 3 |
|---|---|---|---|---|
| Ultimate tensile strength, MPa, not less than | 300–400 | 400–490 | 490–690 | 690 |
| Contraction at break, %, not less than | – | – | – | 40 |
| Elongation at break, %, not less than | 30 | 25 | 22 | 17 |
| Impact energy KV, J, not less than | – | – | 47 | 60 |
| Impact bending test temperature, °C | – | – | 0 | 0 |
Olga Sharonova
