ASME/ANSI B 18.1.3M stainless steel dome head solid rivets

They commonly use fastener solutions in shipbuilding.

Commonly used fasteners in shipbuilding mainly include bolts, screws, and washers, etc. These fasteners need to have good corrosion resistance and high strength to cope with the test of the marine environment.

The characteristics of commonly used fasteners in shipbuilding mainly include the following aspects:

Corrosion resistance: Ships often encounter corrosive environments such as seawater and salt spray, so ship fasteners need to be resistant to corrosion. For example, A4-80 hexagon socket bolts are excellent corrosion resistant and suitable for use in marine environments.

High strength: Ship fasteners must be strong to withstand dynamic loads and various environmental pressures. Critical bolts also need to ensure the connection and tightening of machine parts while bearing various forces during machine operation, including tension, shear, inertia, impact, vibration, etc.2.

Good toughness: In addition to strength, fasteners also need to be tough to ensure that they are not easy to break in complex environments.

Standardization and serialization: Many types of fasteners are used in shipbuilding, but most are standardized and serialized products, which can facilitate procurement and management.

Widely used: Fasteners are commonly used in shipbuilding, including hull structures, decks, cabin fixtures, etc., to ensure that various parts of the ship can be firmly connected.

Specific examples include:

A4-80 hexagon socket bolts: These bolts have excellent corrosion resistance, are usually used in the hull and deck structures of ships, and can withstand the marine environment.

Monel K-500 alloy fasteners: This alloy fastener is widely used in pump shafts, impellers, and other parts of ships due to its high strength and excellent seawater corrosion resistance.

These characteristics enable fasteners in shipbuilding to play an essential role in complex and harsh environments, ensuring the structural safety and long-term stable operation of ships.

1. Bolts

Bolts are among the most widely used fasteners in shipbuilding. Their working principles are to use the force of the thread and the pressure of the gasket or nut to achieve the fixing effect. There are many types of bolts in shipbuilding, including ordinary bolts, high-strength bolts, anchor bolts, etc.

2. Nuts

Nuts are matching fasteners for bolts, usually used to connect two or more bolts to connect them tightly. Common nut materials include carbon steel, stainless steel, etc., and many nuts, such as ordinary hexagonal nuts, high-strength hexagonal nuts, self-locking nuts, etc.

3. Screws

Screws are also commonly used fasteners, which can use the shape of their cone head and hole to fix two objects together. In shipbuilding, commonly used screws include wood screws, self-tapping screws, and spiral nails.

4. Rivets

Rivets are fasteners that connect various components with the principle of parent-child locking. They usually connect structural parts, such as hull frames, shipboards, etc. Rivets are generally composed of a brazing rod and a gasket, and their characteristics are difficult to disassemble and have good seismic resistance.

In summary, the fasteners needed in shipbuilding include bolts, nuts, screws, rivets, etc., each with different characteristics and scope of application. When using, it is necessary to select appropriate fasteners according to the specific situation to ensure the safety and stability of the ship during navigation.

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