​Introduction
LR AH55/LR A55 are high-strength shipbuilding steel plates designed for use in the construction of marine vessels. These grades offer excellent mechanical properties, corrosion resistance, and weldability, making them suitable for use in various shipbuilding applications. In this article, we will explore the chemical composition, mechanical properties, heat treatment state, dimensional range, impact testing, primary application scenarios, and relevant supply cases by TJC Steel.
Chemical Composition
The chemical composition of LR AH55/LR A55 steel plates is carefully controlled to ensure optimal performance. These plates typically contain carbon (C), manganese (Mn), phosphorus (P), sulfur (S), silicon (Si), and other alloying elements such as nickel (Ni), chromium (Cr), copper (Cu), and molybdenum (Mo). The precise composition varies depending on the specific grade and requirements of the end application.
Mechanical Properties
LR AH55/LR A55 steel plates exhibit excellent mechanical properties, including high yield strength, tensile strength, and impact toughness. These properties allow the steel to withstand the rigors of marine environments and the demands of shipbuilding. The specific mechanical properties of these plates are typically specified in relevant standards and can vary based on the thickness and heat treatment conditions.
Heat Treatment State
LR AH55/LR A55 steel plates undergo controlled heat treatment to optimize their mechanical properties and microstructure. This heat treatment, which may include normalizing, quenching, and tempering, ensures that the steel achieves the desired strength, ductility, and toughness for shipbuilding applications.
Dimensional Range
LR AH55/LR A55 steel plates are available in a wide range of dimensions to cater to different shipbuilding requirements. These plates are typically available in thicknesses ranging from several millimeters to hundreds of millimeters, with widths and lengths tailored to specific orders.
Impact Testing
Impact testing is a crucial aspect of ensuring the safety and reliability of shipbuilding steel plates. LR AH55/LR A55 steel plates undergo impact testing at specified temperatures to assess their ability to absorb energy and resist brittle fracture. The results of these tests provide valuable insights into the material's toughness and suitability for use in specific environments.
Primary Application Scenarios
LR AH55/LR A55 steel plates are widely used in various shipbuilding applications, including the construction of cargo ships, container ships, cruise ships, and offshore platforms. Their excellent mechanical properties, corrosion resistance, and weldability make them ideal for use in demanding marine environments where durability and safety are paramount.
TJC Steel Supply Cases
TJC Steel, a leading supplier of shipbuilding steel plates, has extensive experience in supplying LR AH55/LR A55 steel plates to various shipbuilders and shipyards. The company offers a comprehensive range of these plates, tailored to specific customer requirements. TJC Steel ensures strict quality control throughout the supply chain, from raw material procurement to final product inspection, to guarantee the highest quality standards.
In conclusion, LR AH55/LR A55 steel plates are essential materials for shipbuilding applications, offering excellent mechanical properties, corrosion resistance, and weldability. Their use in various shipbuilding scenarios, coupled with TJC Steel's commitment to quality and customer satisfaction, makes them a reliable choice for shipbuilders and shipyards worldwide.

​Introduction
In the world of maritime engineering, high-quality steel plates play a crucial role in ensuring the safety and durability of ships. Among these, LR DH40/LR D40 shipbuilding steel plate stands out for its exceptional properties, making it a preferred choice for numerous marine applications. In this article, we delve into the chemical composition, mechanical properties, heat treatment state, dimensional range, impact testing, primary applications, and supply cases of LR DH40/LR D40 by TJC Steel.
Chemical Composition
The chemical composition of LR DH40/LR D40 steel plate is carefully balanced to achieve optimal performance. It primarily consists of carbon (C), silicon (Si), manganese (Mn), phosphorus (P), sulfur (S), and other trace elements. The precise percentages of these elements are carefully controlled to ensure the plate's strength, weldability, and corrosion resistance.
Mechanical Properties
The mechanical properties of LR DH40/LR D40 steel plate are impressive. It exhibits high tensile strength, yield strength, and elongation, making it suitable for withstanding the rigors of marine environments. The plate also demonstrates excellent toughness and impact resistance, crucial for withstanding potential collisions and accidents.
Heat Treatment State
LR DH40/LR D40 steel plate undergoes controlled heat treatment to optimize its mechanical properties and microstructure. This process involves heating the plate to a specific temperature, holding it for a specified duration, and then cooling it at a controlled rate. This heat treatment ensures the desired balance of strength, ductility, and toughness in the final product.
Size Range
LR DH40/LR D40 steel plate is available in a wide range of sizes to cater to different shipbuilding requirements. The plate can be supplied in thicknesses ranging from several millimeters to several centimeters, widths up to several meters, and lengths tailored to specific applications.
Impact Testing
To ensure the highest levels of safety, LR DH40/LR D40 steel plate undergoes rigorous impact testing. This involves subjecting the plate to controlled impacts at specific temperatures to assess its ability to absorb energy and maintain structural integrity. The results of these tests are used to verify the plate's compliance with international standards and regulations.
Primary Applications
LR DH40/LR D40 steel plate finds applications in various marine structures, including hulls, decks, bulkheads, and other critical components of ships and offshore platforms. Its combination of strength, toughness, and weldability makes it suitable for use in both commercial and military vessels operating in a wide range of environmental conditions.
TJC Steel Supply Cases
TJC Steel has a track record of successfully supplying LR DH40/LR D40 steel plate to various shipbuilding projects around the world. We have a robust supply chain and manufacturing capabilities that enable us to meet strict quality standards and deadlines. Our expertise in this field has earned us the trust and recognition of clients worldwide.
Conclusion
LR DH40/LR D40 steel plate, supplied by TJC Steel, is a reliable and high-performance material for marine applications. Its chemical composition, mechanical properties, heat treatment state, and impact testing ensure its suitability for demanding marine environments. With its diverse range of sizes and applications, it has become a staple in the shipbuilding industry. TJC Steel's commitment to quality and timely delivery has further cemented its position as a preferred supplier of LR DH40/LR D40 steel plate.

​UNS S32168 duplex stainless steel plates are widely recognized for their exceptional properties and diverse applications. This article provides a detailed overview of their chemical composition, mechanical properties, heat treatment conditions, dimension ranges, main application scenarios, and relevant supply cases from TJC Steel.
 
The chemical composition of UNS S32168 includes a balanced combination of elements that contribute to its outstanding performance. It typically contains chromium, nickel, molybdenum, and other essential constituents.
 
Mechanically, these plates exhibit excellent strength and durability. They possess high tensile and yield strengths, along with good ductility and impact resistance. The heat treatment conditions play a crucial role in achieving the desired mechanical properties.
 
The dimension range of these plates can vary to meet specific requirements, accommodating various project needs. UNS S32168 duplex stainless steel plates find extensive application in numerous industries due to their unique characteristics. They are commonly used in petrochemical, marine, chemical processing, and power generation sectors.
 
TJC Steel has supplied UNS S32168 plates for numerous projects, demonstrating its expertise and capability in providing high-quality materials. Their supply cases showcase the successful implementation of these plates in different applications, delivering reliable performance and customer satisfaction.
 
In conclusion, UNS S32168 duplex stainless steel plates offer a combination of superior chemical composition, mechanical properties, and wide application potential. With TJC Steel's supply cases, it is evident that these plates are trusted and utilized in various demanding industries.

​UNS S31603 duplex stainless steel plates are a type of stainless steel material with excellent corrosion resistance, high strength, good toughness, and ductility. Here, we will introduce the chemical composition, mechanical properties, heat treatment conditions, dimensions, main applications, and supply cases of UNS S31603 duplex stainless steel plates from TJC Steel in detail.
 
Chemical Composition: The chemical composition of UNS S31603 duplex stainless steel plates includes chromium (Cr), nickel (Ni), molybdenum (Mo), and nitrogen (N). The chromium content ranges from 16% to 18%, the nickel content from 10% to 14%, the molybdenum content from 2% to 3%, and the nitrogen content from 0.14% to 0.22%.
 
Mechanical Properties: The mechanical properties of UNS S31603 duplex stainless steel plates include tensile strength, yield strength, elongation, and hardness. The tensile strength ranges from 515 MPa to 790 MPa, the yield strength from 205 MPa to 350 MPa, the elongation from 30% to 50%, and the hardness from HRB 85 to HRB 100.
 
Heat Treatment Conditions: UNS S31603 duplex stainless steel plates can be heat-treated by annealing, quenching, and tempering. Annealing can improve the ductility and toughness of the plates, quenching can increase the hardness and strength of the plates, and tempering can reduce the brittleness of the plates after quenching.
 
Dimensions: The dimensions of UNS S31603 duplex stainless steel plates range from 2mm to 100mm in thickness and from 1000mm to 3000mm in width. The length can be customized according to customer requirements.
 
Main Applications: UNS S31603 duplex stainless steel plates are widely used in petrochemical, chemical, marine, paper and pulp, and food processing industries due to their excellent corrosion resistance and high strength.
 
Supply Cases from TJC Steel: TJC Steel is a professional manufacturer and supplier of stainless steel materials, including UNS S31603 duplex stainless steel plates. The company has supplied UNS S31603 duplex stainless steel plates to customers in various industries, such as petrochemical, chemical, marine, and food processing. TJC Steel's supply cases include plates with different thicknesses, widths, and lengths to meet customer requirements.
 
In conclusion, UNS S31603 duplex stainless steel plates are a high-performance stainless steel material with excellent corrosion resistance and high strength. The chemical composition, mechanical properties, heat treatment conditions, dimensions, main applications, and supply cases of UNS S31603 duplex stainless steel plates from TJC Steel are introduced in detail above.

SA350LF2CL1 flange fittings are pipe connectors made of low alloy high strength steel, which have good mechanical properties and corrosion resistance. Here, we will introduce the chemical composition, mechanical properties, heat treatment conditions, dimensions, main applications, and supply cases of SA350LF2CL1 flange fittings from TJC Steel in detail.
 
Chemical Composition: The chemical composition of SA350LF2CL1 flange fittings includes carbon (C), silicon (Si), manganese (Mn), phosphorus (P), sulfur (S), chromium (Cr), molybdenum (Mo), and nickel (Ni) and other elements. Among them, the carbon content ranges from 0.15% to 0.25%, the silicon content from 0.5% to 0.8%, the manganese content from 0.9% to 1.3%, the phosphorus content not more than 0.025%, the sulfur content not more than 0.025%, the chromium content from 0.4% to 0.65%, the molybdenum content not more than 0.15%, and the nickel content not more than 0.3%.
 
Mechanical Properties: The mechanical properties of SA350LF2CL1 flange fittings include tensile strength, yield strength, elongation, and hardness. The tensile strength ranges from 450 MPa to 620 MPa, the yield strength from 315 MPa to 450 MPa, the elongation from 20% to 30%, and the hardness from HRB 85 to HRB 100.
 
Heat Treatment Conditions: SA350LF2CL1 flange fittings can be heat-treated by annealing, quenching, and tempering. Annealing can improve the ductility and toughness of the fittings, quenching can increase the hardness and strength of the fittings, and tempering can reduce the brittleness of the fittings after quenching.
 
Dimensions: The dimensions of SA350LF2CL1 flange fittings range from DN15 to DN1000, and the pressure rating can reach 1500LB. The dimensions can be customized according to customer requirements.
 
Main Applications: SA350LF2CL1 flange fittings are widely used in petrochemical, chemical, power generation, oil and gas, and other industries due to their excellent corrosion resistance and high strength.
 
Supply Cases from TJC Steel: TJC Steel is a professional manufacturer and supplier of flange fittings, including SA350LF2CL1 flange fittings. The company has supplied SA350LF2CL1 flange fittings to customers in various industries, such as petrochemical, chemical, power generation, and oil and gas. TJC Steel's supply cases include fittings with different dimensions and pressure ratings to meet customer requirements.
 
In conclusion, SA350LF2CL1 flange fittings are high-performance pipe connectors with excellent chemical composition, mechanical properties, heat treatment conditions, dimensions, and main applications. TJC Steel is a professional supplier of SA350LF2CL1 flange fittings, providing customers with high-quality products and services.

​C23000 brass alloy plate stands as a hallmark of versatility and reliability in the realm of metal engineering. With its unique composition and exceptional properties, it serves as a preferred choice across various industries. Let's delve into the specifics of this remarkable material:
 
Chemical Composition:
C23000 brass alloy plate is crafted with a precise chemical composition to ensure optimal performance:
- Copper (Cu): 85-89%
- Zinc (Zn): 5-7%
- Lead (Pb): ≤0.05%
- Iron (Fe): ≤0.05%
- Phosphorus (P): ≤0.04%
- Other Elements: ≤0.30% (each)
 
Mechanical Properties:
This brass alloy plate exhibits impressive mechanical properties, contributing to its wide-ranging applications:
- Tensile Strength: 340-410 MPa
- Yield Strength: 130-240 MPa
- Elongation: 30-50%
- Hardness: 65-85 HRB
 
Heat Treatment State:
C23000 brass alloy plates are typically supplied in annealed or cold-worked conditions to achieve the desired hardness and microstructure.
 
Dimensional Range:
These plates are available in a comprehensive range of dimensions to meet diverse industrial requirements, with thicknesses ranging from 0.1mm to 150mm and widths up to 3000mm.
 
Main Applications:
C23000 brass alloy plates find extensive applications across various sectors, including:
- Architecture and Construction: for decorative elements, roofing, and cladding.
- Electrical Engineering: for connectors, terminals, and switches.
- Marine and Aerospace: for fittings, fasteners, and components requiring corrosion resistance.
- Musical Instruments: for brass instruments due to its excellent acoustic properties.
 
TJC Steel Supply Case:
TJC Steel, renowned for its commitment to quality and reliability, has a proven track record of supplying C23000 brass alloy plates for diverse applications. Notable supply cases include:
- Providing high-quality plates for architectural projects, ensuring durability and aesthetic appeal in building facades and interior designs.
- Supplying brass alloy plates for electrical components in automotive applications, meeting stringent industry standards and specifications.
 
In conclusion, C23000 brass alloy plates epitomize excellence in metallurgy, offering a perfect balance of strength, corrosion resistance, and aesthetic appeal. With their versatility and reliability, they continue to redefine the standards of performance across various industries.

​EN10028-2 12CrMo19-5 high-temperature alloy steel plate represents a pinnacle in material engineering, engineered to withstand extreme temperatures and demanding industrial environments. Here's an in-depth exploration of this exceptional product:
 
Chemical Composition:
The EN10028-2 12CrMo19-5 alloy steel plate is formulated with precise chemical composition to ensure superior performance:
- Carbon (C): 0.08-0.15%
- Silicon (Si): ≤0.50%
- Manganese (Mn): 0.40-0.80%
- Phosphorus (P): ≤0.025%
- Sulfur (S): ≤0.020%
- Chromium (Cr): 0.70-1.15%
- Molybdenum (Mo): 0.40-0.60%
 
Mechanical Properties:
This alloy steel plate exhibits exceptional mechanical properties, making it suitable for high-temperature applications:
- Tensile Strength: 450-600 MPa
- Yield Strength: ≥280 MPa
- Elongation: ≥22%
- Impact Toughness: ≥27 J/cm² at -20°C
 
Heat Treatment State:
EN10028-2 12CrMo19-5 alloy steel plates are typically supplied in normalized and tempered condition to achieve the desired microstructure and mechanical properties.
 
Dimensional Range:
These plates are available in a comprehensive range of dimensions to meet diverse industrial requirements, with thicknesses ranging from 6mm to 150mm and widths up to 3000mm.
 
Main Applications:
EN10028-2 12CrMo19-5 high-temperature alloy steel plates find extensive applications in various industries, including:
- Petrochemical industry: for equipment subjected to high temperatures and corrosive environments.
- Power generation: for boilers, pressure vessels, and piping systems.
- Chemical processing: for reactors, heat exchangers, and storage tanks.
 
TJC Steel Supply Case:
TJC Steel, a trusted supplier of premium steel products, has a proven track record of supplying EN10028-2 12CrMo19-5 alloy steel plates for critical applications. Notable supply cases include:
- Providing high-quality plates for the construction of pressure vessels in refineries, ensuring reliability and safety in operation.
- Supplying alloy steel plates for the fabrication of heat exchangers in power plants, meeting stringent quality standards and specifications.
 
In summary, EN10028-2 12CrMo19-5 high-temperature alloy steel plates stand as a testament to excellence in material engineering. With their superior properties and diverse applications, they play a crucial role in enabling high-performance solutions for demanding industrial environments.

Corten seamless steel pipes, featuring the ND (09CrCuSb) grade, epitomize innovation in metallurgy. Composed of a unique chemical blend, Corten steel exhibits remarkable mechanical properties, offering versatility in various applications. Let's delve into the specifics of this material:
 
Chemical Composition:
The ND (09CrCuSb) grade of Corten seamless steel pipes boasts a composition rich in elements conducive to its exceptional properties. It typically comprises:
- Carbon (C): 0.06-0.12%
- Silicon (Si): 0.25-0.75%
- Manganese (Mn): 0.50-1.25%
- Phosphorus (P): ≤0.020%
- Sulfur (S): ≤0.020%
- Chromium (Cr): 0.30-1.25%
- Copper (Cu): 0.25-0.55%
- Antimony (Sb): 0.010-0.040%
 
Mechanical Properties:
Corten steel pipes, in the ND (09CrCuSb) grade, exhibit exceptional mechanical strength and durability. Typical mechanical properties include:
- Tensile Strength: ≥450 MPa
- Yield Strength: ≥315 MPa
- Elongation: ≥22%
- Impact Toughness: ≥34 J/cm²
 
Heat Treatment State:
The Corten seamless steel pipes in ND (09CrCuSb) grade are typically supplied in normalized or annealed conditions, ensuring optimal microstructure and mechanical properties.
 
Dimensional Range:
These pipes are available in a wide range of dimensions to suit diverse industrial requirements, with diameters ranging from 6mm to 2500mm and wall thicknesses from 1mm to 150mm.
 
Advantages of Corten Steel:
Corten steel, renowned for its weather-resistant properties, offers numerous advantages, including:
- Exceptional corrosion resistance, eliminating the need for additional protective coatings.
- High tensile strength and toughness, ensuring longevity in harsh environments.
- Aesthetic appeal, with a unique rust-like appearance that enhances architectural designs.
 
Main Applications:
The versatility of Corten seamless steel pipes makes them ideal for various applications, including:
- Structural components in buildings and bridges.
- Piping systems for industrial and infrastructure projects.
- Decorative elements in outdoor sculptures and landscaping.
 
TJC Steel Supply Case:
TJC Steel, a leading supplier of quality steel products, has provided Corten seamless steel pipes (ND grade) for numerous prestigious projects worldwide. One notable case includes the supply of corrosion-resistant piping solutions for the construction of coastal structures, ensuring durability and reliability in marine environments.
 
In conclusion, Corten seamless steel pipes, featuring the ND (09CrCuSb) grade, stand as a testament to innovation in metallurgy. With their exceptional properties and diverse applications, they continue to redefine the standards of performance and durability in the steel industry.

​Stainless steel is a versatile material widely used in various industries for its excellent corrosion resistance, durability, and aesthetic appeal. Among the different surface finishes available, the 2B surface finish stands out for its smoothness and uniformity, making it ideal for a wide range of applications. Here's an overview of 304 stainless steel coil with a 2B surface finish:
 
Composition and Properties:
304 stainless steel is a grade renowned for its excellent corrosion resistance, high-temperature strength, and ease of fabrication. It typically consists of:
- Chromium: 18-20%
- Nickel: 8-10.5%
- Carbon: ≤0.08%
- Manganese: ≤2%
- Silicon: ≤1%
- Phosphorus: ≤0.045%
- Sulfur: ≤0.03%
This composition contributes to its superior properties, making it suitable for various industrial and commercial applications.
 
Surface Finish - 2B:
The 2B surface finish on 304 stainless steel coil is achieved through a cold-rolling process followed by annealing and descaling. It produces a smooth, reflective surface with a uniform appearance. The 2B finish is characterized by its matte appearance and excellent flatness, making it suitable for applications where a clean, uniform finish is desired.
 
Applications:
304 stainless steel coil with a 2B surface finish finds widespread use in industries such as:
1. Architecture and construction for decorative elements, cladding, and roofing.
2. Food processing equipment, including kitchen appliances, countertops, and food storage containers.
3. Automotive industry for trim, exhaust systems, and decorative features.
4. Chemical and pharmaceutical industries for storage tanks, piping, and processing equipment.
5. Household appliances such as refrigerators, dishwashers, and washing machines.
 
Advantages:
- Corrosion Resistance: 304 stainless steel exhibits excellent resistance to corrosion, making it suitable for use in harsh environments.
- Aesthetic Appeal: The 2B surface finish provides a smooth and attractive appearance, enhancing the visual appeal of finished products.
- Easy Maintenance: The smooth surface of 2B finish stainless steel is easy to clean and maintain, making it ideal for applications requiring hygiene and cleanliness.
 
TJC Steel Supply:
TJC Steel offers high-quality 304 stainless steel coil with a 2B surface finish, meeting stringent quality standards and customer specifications. Our supply chain ensures timely delivery and reliable service, catering to diverse industrial needs.
 
In conclusion, 304 stainless steel coil with a 2B surface finish combines durability, corrosion resistance, and aesthetic appeal, making it a versatile choice for a wide range of applications across various industries. TJC Steel's commitment to quality ensures that our customers receive premium-grade products tailored to their specific requirements.