EN10025-2 S275JR is a non-alloy structural steel grade that is widely used in various construction and engineering applications. This grade is a popular choice for a wide range of structural applications due to its excellent mechanical properties and cost-effectiveness. Below is a detailed overview of the chemical composition, mechanical properties, heat treatment conditions, low-temperature impact testing, available size range, primary applications, and related supply cases from TJC Steel Group.

Chemical Composition:

The chemical composition of S275JR is carefully balanced to provide the desired mechanical properties. The typical chemical composition is as follows:

· Carbon (C): ≤ 0.21%

· Silicon (Si): ≤ 0.55%

· Manganese (Mn): ≤ 1.50%

· Phosphorus (P): ≤ 0.045%

· Sulfur (S): ≤ 0.045%

· Copper (Cu): ≤ 0.30%

· Nickel (Ni): ≤ 0.30%

· Chromium (Cr): ≤ 0.30%

· Molybdenum (Mo): ≤ 0.08%

· Niobium (Nb): ≤ 0.05%

· Titanium (Ti): ≤ 0.05%

· Vanadium (V): ≤ 0.12%

Mechanical Properties:

The mechanical properties of S275JR are as follows:

· Yield Strength: ≥ 275 MPa

· Tensile Strength: 410 - 560 MPa

· Elongation (min): 23%

· Impact Energy (min): 27J at room temperature

Heat Treatment Conditions:

S275JR steel plates can be supplied in the following heat treatment conditions:

· As-rolled

· Normalized

Low-Temperature Impact Test:

S275JR steel plates are often subjected to low-temperature impact testing to ensure their suitability for use in cold environments. The standard Charpy V-notch impact test is conducted at -20°C, with a minimum impact energy of 27J.

Available Size Range:

TJC Steel Group can supply S275JR steel plates in a wide range of sizes, with thicknesses typically ranging from 6mm to 200mm, widths up to 3500mm, and lengths up to 12000mm.

Primary Applications:

S275JR steel plates are used in a variety of applications, including:

· General fabrication

· Construction of bridges, towers, and other structures

· Shipbuilding

· Mechanical engineering

· Offshore structures

· Power plants

· Mining and earth-moving equipment

TJC Steel Group Supply Cases:

TJC Steel Group has a proven track record of supplying high-quality S275JR steel plates to various industries. One notable supply case involved the construction of a major bridge in Europe, where TJC supplied over 10,000 tons of S275JR steel plates. The plates were used in the construction of the bridge's main structural components, and their excellent mechanical properties and durability were crucial to the project's success.

Another supply case saw TJC providing S275JR steel plates for a power plant in Asia. The plates were used in the construction of the plant's boiler and pressure vessel components, where their ability to withstand high temperatures and pressures was essential.

In conclusion, EN10025-2 S275JR non-alloy structural steel plates are a versatile and reliable choice for a wide range of structural applications. TJC Steel Group's extensive experience in supplying these plates ensures that clients receive high-quality products that meet their specific requirements.