Q245R Temperature And Corrosion Resistance Carbon Steel Vessel Plate Q245R Q345R
Q245R and Q345R Carbon Steel Vessel Plate Overview
What Is Q245R Steel?
Q245R is a Chinese material specification for low-alloy pressure vessel steel. It is widely used in the fabrication of pressure vessels and boilers. Its mechanical properties make it suitable for service involving elevated temperatures and pressure, subject to the requirements of the intended application.
Applications of Q245R Steel
- Pressure vessels: Q245R’s strength and durability make it a suitable material for pressure vessel fabrication in industries such as oil and gas, petrochemicals, and power generation, where equipment operates under high temperature and pressure.
- Boilers: Its thermal properties and corrosion resistance support its use in boiler construction for equipment exposed to the temperatures and pressures associated with steam generation.
- Heat exchangers: Q245R’s thermal conductivity and heat capacity make it suitable for heat exchanger fabrication and the transfer of heat between fluids in industrial processes.
- Piping systems: Its weldability and formability support use in piping systems designed for high-pressure and high-temperature service.
Chemical Composition
Compare the listed chemical composition for Q245R and Q345R carbon steel vessel plate grades below.
| Chemical composition | |||||||||
| Grade | C | Si | Mn | Cu | Ni | Cr | Mo | P | S |
| Q245R | ≤0.20 | ≤0.35 | 0.50~1.10 | ≤0.30 | ≤0.30 | ≤0.30 | ≤0.08 | ≤ 0.025 | ≤ 0.010 |
| Q345R | ≤0.20 | ≤0.55 | 1.20~1.70 | ≤0.30 | ≤0.30 | ≤0.30 | ≤0.08 | ≤ 0.025 | ≤ 0.010 |
Company Profile
Founded in 1992 with registered capital of US$29.8 million, our company employs more than 6,000 people. We are a large-scale, integrated steel enterprise covering coal washing, coking, sintering, ironmaking, steelmaking, rolling, power generation, oxygen production, and scientific research. Annual production capacity is 10 million tons each of iron, steel, and materials.
Our leading products include high-strength structural steel, boiler and pressure vessel steel, shipbuilding steel, bridge steel, high-rise building steel, wear-resistant steel, automotive steel, pipeline steel, cold-rolled steel, and galvanized steel.
