NK Marine Steel Plate DH40
Products Description A Detailed Explanation of the Non-Destructive Testing Methods for NK Marine Steel Plate DH40 The non-destructive testing (NDT) of NK Marine Steel Plate DH40 is of paramount importance to ensure its quality and integrity for marine applications. Several effective NDT methods...
Description
Products Description
A Detailed Explanation of the Non-Destructive Testing Methods for NK Marine Steel Plate DH40
The non-destructive testing (NDT) of NK Marine Steel Plate DH40 is of paramount importance to ensure its quality and integrity for marine applications. Several effective NDT methods are commonly employed.
Ultrasonic Testing (UT) is a widely used technique. High-frequency sound waves are transmitted into the steel plate, and the reflections are analyzed. This helps detect internal flaws such as cracks, inclusions, and voids. The accuracy of UT depends on the frequency of the sound waves and the skill of the operator in interpreting the signals.
Magnetic Particle Inspection (MPI) is another valuable method. A magnetic field is applied to the plate, and ferromagnetic particles are used. If there are surface or near-surface defects, the particles will accumulate at the discontinuities, making them visible.
Radiographic Testing (RT) is suitable for thicker plates. X-rays or gamma rays are passed through the plate, and the resulting images on a film or digital detector reveal any internal defects. This method provides a clear visual representation of the plate's internal structure.
|
Steel Grade |
C |
Si |
Mn |
P |
S |
Als |
|
A |
≤0.21 |
≤0.50 |
≥2.5c |
≤0.035 |
≤0.035 |
|
|
B |
≤0.21 |
≤0.35 |
0.8~1.2 |
≤0.035 |
≤0.035 |
|
|
D |
≤0.21 |
≤0.35 |
0.6~1.2 |
≤0.035 |
≤0.035 |
≥0.015 |
|
E |
≤0.18 |
≤0.35 |
0.7~1.2 |
≤0.035 |
≤0.035 |
≥0.015 |
|
AH32 |
≤0.18 |
≤0.50 |
0.9~1.6 |
≤0.035 |
≤0.035 |
≥0.015 |
|
DH32 |
≤0.18 |
≤0.50 |
0.9~1.6 |
≤0.035 |
≤0.035 |
≥0.015 |
|
EH32 |
≤0.18 |
≤0.50 |
0.9~1.6 |
≤0.035 |
≤0.035 |
≥0.015 |
|
FH32 |
≤0.18 |
≤0.50 |
0.9~1.6 |
≤0.035 |
≤0.035 |
≥0.015 |
|
AH36 |
≤0.18 |
≤0.50 |
0.9~1.6 |
≤0.035 |
≤0.035 |
≥0.015 |
|
DH36 |
≤0.18 |
≤0.50 |
0.9~1.6 |
≤0.035 |
≤0.035 |
≥0.015 |
|
EH36 |
≤0.18 |
≤0.50 |
0.9~1.6 |
≤0.035 |
≤0.035 |
≥0.015 |
|
FH36 |
≤0.18 |
≤0.50 |
0.9~1.6 |
≤0.035 |
≤0.035 |
≥0.015 |
|
AH40 |
≤0.18 |
≤0.50 |
0.9~1.6 |
≤0.035 |
≤0.035 |
≥0.015 |
|
DH40 |
≤0.18 |
≤0.50 |
0.9~1.6 |
≤0.035 |
≤0.035 |
≥0.015 |
Liquid Penetrant Inspection (LPI) is effective for detecting surface cracks and porosity. A liquid penetrant is applied to the surface, and after a certain time, the excess penetrant is removed. Any flaws will be indicated by the remaining penetrant.
Each of these NDT methods has its advantages and limitations, and often a combination of them is used to obtain a comprehensive assessment of the NK Marine Steel Plate DH40's quality.
Why Choose Us?
We take pride in our ability to provide custom solutions for our customers' unique needs.
We analyze and compare the previous products and the current technical situation of our NK Marine Steel Plate DH40, and develop new technical specifications and processes.
Our customers trust us to deliver high-quality Cold-rolled Steel products on time and on budget.
We strictly implement the warm and thoughtful after-sales service, adhere to the development of good professional ethics.
We offer a wide range of Cold-rolled Steel products to meet diverse customer needs.
We adhere to the customer-centric and brand-oriented business philosophy, and continue to provide customers with reliable and excellent products and services.
Our factory is committed to upholding the highest standards of safety and quality.
All staff of our company and all departments work together to combine business management, professional technology, quantitative statistical methods and ideological education.
Our Cold-rolled Steel products are known for their durability and reliability.
Relying on the superior conditions and strong advantages of mass production, we are able to meet the different needs of our customers.
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