Low Alloy High Strength Steel Plate

Low Alloy High Strength Steel (LAHSS) plates are engineered to offer superior strength, durability, and resistance to environmental factors compared to carbon steel, while containing small amounts of alloying elements (e.g., Mn, Si, Cr, Mo, V) to optimize performance. These steels are widely used in industries requiring high load-bearing capacity and reliable structural integrity.

 

Typical Industries

Construction: Bridges, stadiums, high-rise buildings.

Transportation: Trucks, railcars, offshore platforms.

Energy: Wind turbines, pressure vessels, oil/gas equipment.

Machinery: Heavy-duty gears, crankshafts, mining machinery.

Low Alloy High Strength Steel Plate	12Mn,15MnVN,16Mn,15MnV,14MnNb
	Q295(A,B),Q345(A,B,C,D,E)Q390(A,B,C,D,E), Q420(A,B,C,D,E),Q460(C,D,E)
	Q500(D,E),Q550(D,E),Q620(D,E),Q690(D,E)
	SM490(A,B,C),SM490Y(A,B),SM520(B,C),SM570
	St44-3,St52-3,St50-2, St60-2,St70-2
	StE315,StE355,StE380,STe420,StE460,StE500
	A572M(Gr42.50,60,65),A633M9(A,B,C,D,E)
	S275(JR,JO,J2G3,J2G4),S355(JR,JO,J2G3,J2G4,E395,E355,E360)
	S275N,S275NL,S355N,S355NL,S420N,S420NL,S460N,S460NL
	50(A,B,C,D,DD,EE,F),43(A,B,C,D,EE),55(C,EE,F)
	Fe430(A,B,C,D),Fe510(B,C,D)
	WH60,WH410LK(BB41BF),WH490LK(BB503),Q550CFC
	WDB690,WDB780,WH70,WH80 IE0650,IE1006,SHT60

 

 

Standards and Specifications

Chinese Standards: GB/T 1591 (Q345/Q390/Q420/Q690), GB/T 3077 (alloy structural steels like 25CrMo4).

International Equivalents:

ASTM A572 (USA), EN 10025 (Europe), JIS G3106 (Japan).

 

By balancing strength, toughness, and cost, LAHSS plates are essential for modern engineering, driving efficiency and reliability in demanding applications.

 

 

 

 

 

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 Low Alloy High Strength 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.

Hot Tags: low alloy high strength steel plate, China low alloy high strength steel plate suppliers, factory, CR2 Steel, CR180BH, HR500LA, CR1 Steel, CR210IF, Low carbon High strength