Products
A514GRF High Strength Steel Plate
Introduction
High strength steel plate is a high-strength low-alloy steel with a minimum elongation of 18% and a tensile strength of (760 MPa to 895 MPa) that has undergone special alloying treatment. It is mainly used to manufacture high-strength structural parts and mechanical equipment.
Advantages
Good mechanical properties
High strength steel plate has a tensile strength of 110 ksi to 130 ksi (760 MPa to 895 MPa) and a yield strength of no less than 100 ksi (690 MPa). It can withstand high loads and effectively resist deformation. The steel plate can still maintain its performance when the thickness exceeds 2½ inches.
Good wear resistance and high ductility
High strength steel plate has a Brinell hardness of 235 to 293 HBW, has good wear resistance, and is suitable for high-load and high-wear environments such as mines and cranes. In addition, even at a large thickness, the ductility of A514GRF remains above 18%, and it can absorb energy in a high stress environment without brittle fracture.
Good welding performance
The chemical composition of A514GRF high strength steel plate (carbon, manganese and other elements) enables the steel to reduce the brittleness of the welded joint and the formation of cracks during the welding process. A514GRF can be cut, bent, formed and processed in many ways, with small deformation and high dimensional accuracy, suitable for precision manufacturing.
Reasonable control of chemical composition
The carbon and manganese content of A514GRF high strength steel plate is reasonably controlled, which enhances the lightness and hardness while improving the toughness and welding performance of the steel. Impurity elements such as phosphorus and sulfur in the steel are strictly limited to ensure quality.
Applications
Heavy machinery and equipment
High strength steel plate is often used to manufacture heavy machinery and equipment, such as cranes, excavators, forklifts, mining machinery, etc.
Building structures
High strength steel plate can be used in building structures, especially in structures that need to withstand high loads, such as frames of high-rise buildings, bridges, steel structure platforms, etc.
Bridges and transportation facilities
High strength steel plate is often used in bridge construction and other transportation facilities, such as roads, railway tracks and traffic control facilities.
Mining and mining industries
High strength steel plate is widely used in mining equipment, crushers, conveyor belts, etc.
Shipbuilding and marine engineering
High strength steel plate is used to manufacture hulls, platform structures and other components with high strength requirements.
In vehicle structures
Used in vehicle structures that need to carry heavy objects and resist impact, such as truck chassis, truck frames, etc.
Characteristics of High Strength Steel Plate
|
Grade |
C |
Mn |
P |
S |
SI |
Ni |
Cr |
Mo |
V |
Ti |
Zr |
Cu |
B |
Nb |
|
0.10-0.20 |
0.60-1.00 |
≤0.030 |
≤0.030 |
0.15-0.35 |
0.70-1.00 |
0.40-0.65 |
0.40-0.60 |
0.03-0.08 |
~ |
~ |
0.15-0.50 |
0.0005-0.006 |
~ |
ASTM A514 Grade F(A514GRF) Carbon Steel Plate Mechanical Property
|
Grade |
Thickness In,[mm] |
Tensile Strength, ksi [Mpa] |
Yield Strength, ksi [Mpa] min |
Elongation in 2, [50 mm] min |
Brinell Hardnees |
|
A514 Gr F |
to ¾ [20] incl |
110 to 130 [760-895] |
100 [690] |
18 |
235 to 293 HBW |
|
over ¾ [20] to 2 1/2 [65] incl |
110 to 130 [760-895] |
100 [690] |
18 |
~ |
|
|
over 2 ½ [65] to 6 [150] incl |
100 to 130 [690-895] |
90 [620] |
16 |
~ |
FAQ
Q: What is the chemical composition of A514GRF high strength steel plate?
A: The main chemical composition of high strength steel plate includes carbon, manganese, silicon, phosphorus, sulfur, chromium, molybdenum and nickel, etc. The specific composition will vary slightly according to different production standards, but the key elements usually include high carbon and alloy elements to improve strength and hardness.
Q: Can A514GRF high strength steel plate be welded?
A: A514GRF high strength steel plate can be welded by appropriate welding methods, but due to its high strength and high alloy composition, special attention should be paid to controlling heat input during welding to avoid brittle welded joints.
Q: What are the common heat treatment processes for high strength steel plate?
A: Common heat treatment processes for high strength steel plate include quenching and tempering. Quenching can improve its hardness and strength, and tempering is used to improve the toughness of steel plates.
Q: What is the thickness range of high strength steel plate?
A: The thickness of high strength steel plate is generally between 6mm-120mm. According to different application requirements, the specific thickness can be customized according to the order.
Q: What should be paid attention to when using high strength steel plate in a low temperature environment?
A: When high strength steel plate is used in low temperature environment, appropriate preheating and post-heat treatment processes may be required to prevent brittle fracture.
Q: What are the processing methods of high strength steel plate?
A: high strength steel plate can be processed by cutting, drilling, bending, etc. Common processing methods include laser cutting, plasma cutting, oxygen cutting, etc.
Q: How to heat treat high strength steel plate welded joints?
A: high strength steel plate welded joints need to undergo subsequent heat treatment processes (such as tempering) to improve the toughness of the joints, reduce welding stress, and avoid brittle cracks.
Q: How to calculate the weight of high strength steel plate?
A: The weight of high strength steel plate can be calculated using the formula: Weight (kg) = length (m) × width (m) × thickness (mm) × density (unit kg/m³), and the density of steel plates is usually 7.85g/cm³.
Q: What is the difference between the application of high strength steel plate and other A514 grades?
A: High strength steel plate has higher strength and wear resistance than other A514 grades and is suitable for more demanding working conditions, such as heavy machinery, metallurgical equipment and other fields.
Q: Will high strength steel plate produce thermal cracks during processing?
A: When welding high strength steel plate, thermal cracks may occur if the heat input is not properly controlled. Therefore, proper welding process and heat treatment are required to reduce the occurrence of thermal cracks.
Q: How to store and transport A514GRF high strength steel plate?
A: A514GRF high strength steel plate should be stored in a dry and ventilated environment and avoid exposure to moisture or extreme weather. During transportation, appropriate protective measures should be taken to prevent surface damage.
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