Grade R4 Offshore Mooring Chain

Grade R4 Offshore Mooring Chain
1. Application: Mobile Offshore Mooring Unit,Marine Load System,Fixed Offshore Development Facility;
2. High Mechanical Properties;
3. Good Corrosion Resistance, Anti Fatigue, Wear Resistance;
4. Good Welding Performance;
5. Good Welding Low Temperature Impact Toughness;
6. Certificate: CCS, ABS,BV, DNV, GL, KR, LR,NK,RINA etc.
Specification of R4 Mooring Chains
1. Type: Offshore Mooring Chain
2. Grade: (ABS/DNV) R4
3. Chain Dia.: 50mm~132mm
4. Tension Load: 1920KN~11188KN
5. Breaking Load: 2740KN~15965KN
6. Material: Offshore Mooring Chain Steel;
7. Available Customized Service
Mechanical Properties of R4 Mooring Chain
Grade | Yield Point (N/mm²,min) | Tensile Strength (N/mm²,min) | Elongation (%,min) | Reduction of Area (%,min) | Impact Test(V-notch ) | ||
Test Temperature (℃) | Impact (J,min) | ||||||
Base Part | Weld Part | ||||||
ABS/RQ4 DNV/NVR4 | 580 | 860 | 12 | 50 | -20 | 50 | 36 |
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