Lr/Ah36 Steel Plate

 

LR/AH36 steel plate is a type of high-tensile strength steel used in shipbuilding and marine engineering. Here are some key aspects of it:

 

Properties:

High strength: It has excellent tensile strength and yield strength, which enables it to bear heavy loads and stresses in marine environments, enhancing the safety and reliability of ships and marine structures.

Good toughness: The steel plate shows good toughness properties, meaning it is not easy to fracture when subjected to impact and vibration, improving the ship's resistance to impact forces.

Strong corrosion resistance: As it is used in the marine environment for a long time, LR/AH36 steel plate has good corrosion resistance to ensure a longer service life.

Good welding performance: This is essential for shipbuilding as it allows for efficient and reliable welding during the construction process.

Processing performance: It has good processing performance, facilitating various processing operations such as cold working, hot working, and cutting during ship construction.

Chemical composition: The chemical composition of LR/AH36 steel plate is strictly controlled. Generally, it contains elements such as carbon (C), silicon (Si), manganese (Mn), phosphorus (P), sulfur (S), and some alloying elements like aluminum (Al), niobium (Nb), vanadium (V), and titanium (Ti). For example, the carbon content is usually less than or equal to 0.18%, silicon content is within 0.10 - 0.50%, and manganese content is between 0.90 - 1.60%.

Specifications:

Thickness: The thickness of LR/AH36 steel plate can range from 3 mm to 250 mm.

Width: The width is usually between 1200 mm and 4200 mm.

Length: The length can be customized according to specific requirements, generally ranging from 3000 mm to 18000 mm.

Certification and quality control: LR/AH36 steel plate is certified by relevant classification societies such as Lloyd's Register (LR) to ensure its quality and performance meet the requirements for shipbuilding and marine engineering. It also needs to comply with international or national quality standards, and relevant tests such as tensile test, impact test, and ultrasonic test are carried out to ensure its quality.

Applications: It is widely used in the construction of ship hulls, decks, offshore platforms, and other marine structures due to its excellent properties.

 

 

Item	Thickness (mm)	Width (mm)	Length/coil diameter(mm)
Shipbuilding plate	6~50	1300~3000	3000~15000
Shipbuilding coil	6~20	1500~2000	760+20~760-70

 

 

Grade	Thickness(mm) max	Yieldpoint(Mpa) min	Tensile Strength(Mpa)	Elongation(%)min	V-impact test	cold bend test
Temperature(ºC)	Average AKV	b=2a 180°	b=5a 120°
lengthways Min	crosswise Min
A	50	235	400~520	22	-	-	-	-	d=2a
B	50	235	400~520	22	0	27	20	-	d=3a
D	50	235	400~520	22	-10	27	20	-	d=3a
E	50	235	400~520	22	-40	27	20	-	d=3a
AH32	50	315	440~570	22	0	31	22	-	d=3a
DH32	50	315	440~570	22	-20	31	22	-	d=3a
EH32	50	315	440~570	22	-40	31	22	-	d=3a
FH32	50	315	440~570	22	-60	31	22	-	d=3a
AH36	50	355	490~620	21	0	34	24	-	d=3a
DH36	50	355	490~620	21	-20	34	24	-	d=3a
EH36	50	355	490~620	21	-40	34	24	-	d=3a
FH36	50	355	490~620	21	-60	34	24	-	d=3

 

 

 

 

 

 

 

 

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 Lr/Ah36 Steel Plate, 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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