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BV FH550/BV F550 Marine Steel Plates

BV FH550 and BV F550 steel plates are specifically designed for marine applications, exhibiting exceptional performance under harsh oceanic conditions. These grades of steel are renowned for their high strength, corrosion resistance, and structural integrity, making them ideal for various components in ships and other marine vessels.

BV FH550/BV F550 Marine Steel Plates Supplier

BV F550 is applied to extra high strength steels, which is defined as steels with a specified min yield stress of 420 MPa. The max yield is 690Mpa. GNEE Steel can supply BV F550 steel specification and price ,we are BV F550 steel suppliers and manufacturer,if you need a BV F550 steel exporter, please contact us.

BV FH550 and BV F550 steel plates are specifically designed for marine applications, exhibiting exceptional performance under harsh oceanic conditions. These grades of steel are renowned for their high strength, corrosion resistance, and structural integrity, making them ideal for various components in ships and other marine vessels.

 

Heat treatment state of BV FH550 and BV F550 steel plates

The heat treatment state of BV FH550 and BV F550 steel plates is also critical to their performance. These plates are typically quenched and tempered to achieve the desired mechanical properties and microstructure. This process involves heating the steel to a high temperature, followed by rapid cooling and then reheating to a lower temperature for tempering. This results in a fine-grained structure that improves the steel’s strength and toughness.

Size Dimensions

Regarding dimensions, BV FH550 and BV F550 steel plates are available in a wide range of thicknesses, widths, and lengths to meet various design and construction requirements. This versatility allows for the efficient production of ship hulls, decks, bulkheads, and other structural components.

Impact testing

Impact testing is an essential part of the quality control process for these steel plates. This testing involves exposing samples to low-temperature conditions and measuring their resistance to cracking or fracturing under impact. BV FH550 and BV F550 steel plates typically demonstrate excellent impact toughness, ensuring reliable performance in cold environments.

BV FH550 Steel Application

The main application scenarios for BV FH550 and BV F550 steel plates include the construction of ocean-going vessels, such as cargo ships, tankers, and cruise ships. These steel plates are also used in the repair and maintenance of existing ships, ensuring their continued safe and efficient operation.

Specification Parameters
Basic Information

BV/F550 extra High Strength Chemical Composition Tempering and Quenching

Grade

The Element Max (%)

C

Si

Mn

P

S

Al(min)

N

BV/F550

0.18

0.55

1.60

0.025

0.020

0.015

0.020

Crack Sensitivity:  Pcm = (C+Si/30+Mn/20+Cu/20+Ni/60+Cr/20+Mo/15+V/10+5B)%
Carbon Equivalent:  Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%

 

BV/F550 extra High strength property in Tempering and Quenching

Grade

Mechanical Property

Charpy V Impact Test

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

BV/F550

Min Mpa

Mpa

Min  %

-60

J

J

550

670-830

16%

37

                                         55

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

 

Equivalent steel grade of BV/F550

DNV

GL

LR

BV

CCS

NK

KR

RINA

NV F550

GL-F550

LR/FH55

BV/F550

CCS/F550

K F56

R F56

RI/F550

Service Support
BV FH550/BV F550 Marine Steel Plates

BV Steel Plate Supplier

BV Steel Plate Grade

General Strength

BV/A

BV/B

BV/D

BV/E

High Strength

BV/AH32

BV/DH32

BV/EH32

BV/FH32

BV/AH36

BV/DH36

BV/EH36

BV/FH36

BV/AH40

BV/DH40

BV/EH40

BV/FH40

Extra Strength

BV/A420

BV/D420

BV/E420

BV/F420

BV/A460

BV/D460

BV/E460

BV/F460

BV/A500

BV/D500

BV/E500

BV/F500

BV/A550

BV/D550

BV/E550

BV/F550

BV/A620

BV/D620

BV/E620

BV/F620

BV/A690

BV/D690

BV/E690

BV/F690