BV E420 steel plate

Oct 16, 2025 Leave a message

BV E420 shipbuilding steel plates are specialized materials designed for use in the construction of marine vessels. These plates possess exceptional characteristics that make them suitable for various demanding applications in the shipping industry.

 

BV E420 grades are composed primarily of carbon, silicon, manganese, phosphorus, sulfur, chromium, nickel, molybdenum, and copper. The precise balance of these elements ensures optimal strength, durability, and corrosion resistance.

BV E420 extra High Strength Chemical Composition Tempering and Quenching

Grade

The Element Max (%)

C

Si

Mn

P

S

Al(min)

N

BV E420

0.20

0.55

1.70

0.030

0.030

0.015

0.020

 

Regarding mechanical properties, these steel plates exhibit high yield and tensile strengths, making them able to withstand significant loads and pressures. Their ductility and toughness also contribute to their ability to perform well in harsh marine environments.

BV E420 extra High strength property in Tempering and Quenching

Grade

Mechanical Property

Charpy V Impact Test

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

BV E420

Min Mpa

Mpa

Min %

-40

J

J

420

530-680

18%

28

42

Note: Energy 1 is transverse impact test, Energy 2 is longitudinal

 

In terms of dimensional range, the BV E420 steel plates are available in a variety of thicknesses, widths, and lengths to cater to different shipbuilding needs. This versatility allows for efficient use of materials and reduced waste during construction.

 

Impact testing is an essential part of the quality control process for these steel plates. This testing involves subjecting the plates to low-temperature impacts to assess their toughness and resistance to cracking. The BV E420 grades typically exhibit excellent impact resistance, ensuring their safety and reliability in extreme conditions.

 

The primary applications for BV E420 steel plates are in the construction of hulls, decks, and other structural components of ships. Their high strength and corrosion resistance make them ideal for use in both freshwater and saltwater environments. These plates are also suitable for use in repair and maintenance works on existing vessels.