S355J2+N Material Big Size Rope Drum For Large Equipment Marine Winch
Product feature
Product name: S355J2+N Material Big Size Rope Drum For Large Quipment Marine Winch
Other name: Winch drum.
Standard: NS-ISO 13920BF
Sling type: cable or wire
power: Electirc
colour: Blue white
Rope: 100-1000mm
Rope diameter: 3-199mm
Tolerance General: Ns-iso 2768mK
Our company mainly serves lifting machinery, marine machinery, petroleum machinery, water conservancy machinery. We can produce winches and all steel parts for winches.
Advantage and main feature
1. Top quality with competitive price.
2. Widely used in factory, mining, shipyard or double beam cranes.
3. Compact structure and reasonable design.
4. Easy to install, operate and maintenance.
5. Low noise and good working condition.
6. Safe and reliable function.
Preparation and cutting of steel
Cutting and beveling of materials shall be carried out by thermal cutting or machining.
Thermally cut edges shall be ground to sound metal before welding.
All sharp edges, corners and Curing Zone must be rounded to R=2.5mm.
Stainless steel shall by ground, and then acid treated and cleaned before use.
Welding requirement
Welding spatter, beads and slag should be completely removed. Surface damage is filled and grinded flush.
Techinical parameters:
Test temperature and charpy V-notch impact energy shall be in accoradance with DNV lifting appliances No.2.22. Values for plates in primary and essential welded steel structure is listed in table below:
| Yield stress Re(MPa) | Thichness(mm) | temp(°C) | Impact energy(J) |
| 355 | 6< t ≤ 25 | 0 | 34 |
| 25< t ≤ 50 | -20 | 34 |
| 50< t ≤ 70-40 | -40 | 41 |
| 70< t ≤ 150 | -40 | 50 |
| 690 | 6< t ≤ 25 | 0 | 46 |
| 6< t ≤ 25 | -20 | 46 |
| 50< t ≤ 70 | -40 | 46 |
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100-1000mm Rope Marine Winch Drum S355J2+N Material Big Size Images
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