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ABS Grade DQ47 Shipbuilding Steel Plate

Class Cert.: ABS/BV/CCS/DNV/KR/LR/NK/RINA/RS/PRS

Material: Low Alloy Steel

Thickness: 6mm-100mm, or customized

Width: 900mm-4800mm, or customized

Length: 3000mm-25000mm, or customized

Condition of Delivery: A/HR/N/CR/Q+T/TMPC, or as request

Stock: In stock

ABS Grade DQ47 Shipbuilding Steel Plate Manufacturer

We specialize in supplying ABS Extra High Strength Steel Plate in ABS Grade DQ47.ABS DQ47 and ABS D47 are high-strength marine steel plates specifically designed for use in the construction of ships and marine vessels. These grades of steel are widely recognized for their excellent mechanical properties and chemical composition, making them suitable for various marine applications.

 

Heat Treatment

The heat treatment process of ABS DQ47 steel plates is crucial to achieve the desired mechanical properties. These plates are typically quenched and tempered to obtain the required strength and toughness. This process involves heating the steel to a high temperature, followed by rapid cooling (quenching) and then reheating to a lower temperature for tempering.

 

Dimensional Range

ABS DQ47 steel plates are available in a range of thicknesses, widths, and lengths to meet various shipbuilding requirements. The thickness of these plates can vary from several millimeters to hundreds of millimeters, depending on the specific application. The plates are also available in various lengths and widths to fit different structural components of ships and vessels.

 

Impact Testing

Impact testing is a crucial aspect of quality control for ABS DQ47 steel plates. This testing involves subjecting the steel to sudden and intense loads to assess its ability to resist cracking or fracturing. The results of these tests ensure that the steel plates meet the strict safety standards required for marine applications.

Specification Parameters
Basic Information

AB/DQ47  Extra high Strength Sheet Chemical Compositio

AB/DQ47  Extra high Strength Chemical Composition in Tempering and Quenching

Grade

The Element Max (%)

C

Si

Mn

P

S

N

AB/DQ47

0.20

0.55

1.7

0.035

0.035

0.02

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】%

AB/DQ47 Extra High-Strength Steel Plate Property

AB/DQ47 Extra high strength property in tempering and quenching

Grade

Mechanical Property

Charpy V Impact Test

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

Min Mpa

Mpa

Min  %

-20

J

J

AB/DQ47

460

570-720

17

31

46

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

 

Equivalent steel grade of AB/DQ47

DNV

GL

LR

BV

CCS

NK

KR

RINA

NV D460

GL-D460

LR/DH46

BV/D460

CCS/D460

K D47

R D47

RI/D460