Boiler Alloy Steel Sheet Plate

Hot rolled structural steel plates in grades A345A, Q345B, Q345C, Q345D with thickness 8-800mm and width 1500-4200mm. Ideal for boiler pressure vessels, shipbuilding, bridges, and high-rise construction with superior strength, weldability, and impact resistance. Available in multiple delivery conditions with custom cutting and deep processing services.

High-performance ASTM A204 alloy steel plates designed for boiler and pressure vessel applications in petroleum, chemical, and power industries. Features 440-590 MPa tensile strength, 220-275 MPa yield strength, and excellent elongation properties. Ideal for reactors, heat exchangers, and industrial equipment requiring reliable performance under high temperatures and pressures.

High tensile strength 3mm steel plate available in SS400, A36, Q195, Q235, Q345, and Q345C grades. Features dimensions from 8-800mm thickness, 1500-4200mm width, and 6000-18000mm length. Certified for boiler pressure vessels, bridges, shipbuilding, and construction applications with custom cutting and processing services available.

High-carbon chromium bearing steel (AISI 52100/GCr15/100Cr6) offering exceptional hardness up to 66 HRC, superior wear resistance, and fatigue strength. Available in 1000-12000mm lengths with custom cutting. Ideal for bearing rings, steel balls, shafts, and precision tools requiring maximum durability.

Q345R hot rolled steel plate offers 345 MPa yield strength with excellent mechanical properties for pressure vessels. Available in 4-300mm thickness and max 3000mm width, this boiler plate features reduced phosphorus/sulfur content for superior impact toughness. Ideal for reactors, heat exchangers, and industrial boilers with customizable processing options.

High-quality Q235 and Q345 alloy steel plates available in thicknesses from 6-80mm and widths up to 3200mm. Manufactured to GB, ASTM, EN, and JIS standards with excellent mechanical properties including 470-630 MPa tensile strength. Ideal for shipbuilding, structural applications, and industrial manufacturing with competitive pricing.

Professional ASTM A553/A553M high pressure vessel steel plates available in thickness 1-500mm and multiple grades including GR55-GR70. Certified by BV, ISO, SGS, and CE for reactors, boilers, heat exchangers, and pressure vessels with hot-rolled processing and mill finish.

42CrMo4/4140/1.7225/SCM440 alloy steel plate with excellent machinability, high toughness, and superior impact resistance. Available in round bars (10-800mm) and flat bars (10-400mm×200-2200mm) with black, grinded, or machined surfaces. Ideal for gear wheels, connecting rods, and mechanical components requiring durability and performance.

High-quality structural steel plates in Q235 and Q345 grades with thickness 6-80mm, width 1600-3200mm, and length 6000-14000mm. Available in cold rolled or hot rolled options with comprehensive chemical composition and mechanical properties data. Certified to GB/T standards for construction and industrial applications.

Premium alloy steel plates and sheets specifically engineered for boiler applications, available in thicknesses from 0.3mm to 800mm. Features multiple surface finishes, international certifications including ASTM, GB, and JIS standards, and global export availability. Ideal for pressure vessels, shipbuilding, and structural applications requiring exceptional strength and durability.

ASME Certificated Galvanized Boiler Alloy Steel Sheet Plate Hot Rolled Surface condition Black surface/ Grinded/ Machined Hardness Annealed HBS 217 max Heat treatment Forging Heat to 1150°C. Hold until uniform. Minimum forging temperature 850°C.Cool slowly in ashes or sand etc. AnnealingHeat to 830°C-850°C.Cool in furnace. NormalisingHeat to 870°C-900°C.Cool in still air. Stress RelievingAnnealed: Heat to 600°C-650°C.Hardened: Heat to 500°C-550°C.Cool in still air. HardeningH