What's the Difference Between Iron Plate and Ship Plate? Here's the Explanation

In the construction and manufacturing world, steel plate and marine plate are often considered the same due to their similar shapes. However, they have significant differences in terms of material, thickness, and usage. Understanding the differences is important so you can choose the right material for your project needs.

1. Material & Quality Differences

• Steel plate is generally made of plain carbon steel, suitable for general construction such as building frames, fences, or light industrial equipment.
• Marine plate is made of special steel with higher corrosion resistance, meeting ship classification standards such as BV, ABS, or LR. This makes it ideal for use in marine environments or areas with high humidity.

2. Thickness Differences

• Steel plate is available in various thicknesses ranging from 0.8 mm to several tens of mm, depending on project requirements.
• Marine plate generally has a greater and more consistent thickness, usually 5 mm and above, because it must withstand the high pressure and loads at sea.

3. Uses

• Steel Plate: general construction, tool fabrication, ladders, frames, and light industrial components.
• Marine Plate: ship hulls, liquid storage tanks, docks, and offshore structures.

4. Price
Due to its higher specifications, marine plate is usually more expensive than regular iron plate. However, this is offset by its durability and lifespan.

If you're looking for SNI-compliant iron plate or marine plate at a competitive price, be sure to buy from an authorized distributor to guarantee quality.

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