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Help CenterSteel Sheet & Plate & Boiler Plate，Q245R、Q345R、Q370R、15CrMoR、14Cr1MoR
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1. Boiler Plate Overview
Boiler Plate is special pressure‑vessel steel plate for high‑temperature and high‑pressure working conditions. Premium Boiler Plate features high temperature resistance, pressure resistance and good impact toughness.
Boiler Steel Plate is the common name for Boiler Plate. Different from ordinary steel plate, Boiler Steel Plate strictly controls sulfur and phosphorus content for stable mechanical performance under temperature‑changing conditions.
Special Boiler Steel Plate is tailor‑made for boiler drum, furnace and heat‑exchange equipment. Every piece of Special Boiler Steel Plate passes ultrasonic inspection to guarantee pressure‑bearing safety.
High‑quality Boiler Plate, Boiler Steel Plate and Special Boiler Steel Plate own excellent weldability, resisting bulging, cracking and deformation under high‑temperature pressure environment.
Our full‑range Boiler Plate, Boiler Steel Plate and Special Boiler Steel Plate are widely used for power‑station boilers, industrial boilers, pressure vessels and petrochemical heat‑exchange equipment.
2. Production Process
Boiler Plate adopts clean‑steel smelting, controlled rolling and heat‑treatment process for high‑temperature pressure‑bearing performance of Boiler Plate, Boiler Steel Plate and Special Boiler Steel Plate.
Refining procedure reduces harmful impurities, improving toughness and high‑temperature stability of Boiler Steel Plate and Special Boiler Steel Plate.
Precision hot rolling refines metallographic structure, making Boiler Plate compact and uniform in inner structure.
Normalizing, tempering or annealing heat‑treatment eliminates rolling stress, ensuring high‑temperature strength and low‑temperature impact property.
Every batch of Boiler Plate undergoes UT ultrasonic test, chemical and mechanical inspection, free from delamination, cracks and inclusions for Boiler Plate, Boiler Steel Plate and Special Boiler Steel Plate.
Mature production technology ensures stable performance, high UT passing rate of our Boiler Plate series products.
3. Material Grades
Our Boiler Plate covers carbon steel and low‑alloy steel grades for different pressure and temperature conditions.
Chinese grades: Q245R, Q345R, Q370R, 15CrMoR, 14Cr1MoR, widely used for domestic industrial and power‑station boiler components.
European grades: P235GH, P265GH, P295GH, P355GH, 16Mo3 complying with EN10028‑2 for overseas export orders.
American grades: A516 Gr60, A516 Gr70, A285GrC for American‑market boiler and pressure‑vessel projects.
UT1/UT2/UT3 ultrasonic test grades are available for customized Boiler Plate, Boiler Steel Plate andSpecial Boiler Steel Plate.
4. Execution Standards
All Boiler Plate, Boiler Steel Plate and Special Boiler Steel Plate comply with domestic and international pressure‑vessel steel standards.
Domestic standard: GB/T 713‑2023 for steel plates of boilers and pressure vessels.
European standard: EN 10028‑2 for export‑grade Boiler Plate.
American standard: ASTM A516, ASTM A285 series for North‑American market procurement.
Strict standard control guarantees chemical composition, mechanical property and UT inspection indexes for all Boiler Plate products.
5. Size Range
Thickness: 6‑120mm, max customized up to 150mm for heavy‑duty Boiler Plate.
Width: 1500‑3000mm, common width:1800mm,2000mm,2200mm,2500mm with flat plate shape.
Length: 6000‑12000mm, fixed‑length cutting and custom sizing supported for Boiler Steel Plate and Special Boiler Steel Plate.
Surface: Hot‑rolled mill surface, sandblasting service optional; no cracks, delamination or severe pits for finished plates.
Ultrasonic test: UT1, UT2, UT3 grades optional to meet different safety‑level requirements of Boiler Plate.
6. Delivery Condition
Controlled‑rolling: Cost‑effective for medium‑low‑pressure Boiler Plate structural parts.
Normalized: Widely adopted delivery condition, fine grain structure and excellent toughness for most Boiler Steel Plate and Special Boiler Steel Plate.
Tempered / Annealed: For alloy heavy‑thick Boiler Plate, eliminating internal stress for high‑temperature high‑pressure boiler key components.
Customers can select suitable delivery state for Boiler Plate, Boiler Steel Plate and Special Boiler Steel Plate according to working pressure and temperature.
7. Advantages
High Temperature & Pressure Resistance: Stable mechanical performance under fluctuating pressure and temperature, high safety coefficient for pressure‑bearing equipment.
Excellent Weldability: Strict carbon‑equivalent control avoids welding cracks, suitable for boiler cylinder rolling and welding.
Guaranteed UT Inspection: Full‑plate ultrasonic test available, free from inner delamination and slag inclusion, meeting mandatory inspection rules for pressure‑vessel equipment.
Balanced Comprehensive Properties: Good tensile, yield and impact performance, easy for cold bending and cylinder forming processing.
Complete Documents: Mill test certificate and EN10204‑3.1 documents supplied for each batch of Boiler Plate, Boiler Steel Plate and Special Boiler Steel Plate.
8. Application
Boiler Plate, Boiler Steel Plate and Special Boiler Steel Plate are widely used in thermal‑energy, petrochemical and energy‑equipment industries.
Boiler manufacturing: Power‑station & industrial boiler drum, furnace, header and heat‑exchange components.
Pressure‑vessel field: Pressure tanks, reactors, heat exchangers and gas storage vessels rolled from Boiler Steel Plate.
Petrochemical industry: Petrochemical equipment, hydrogenation units and steam heat‑exchange facilities adopting high‑temperature resistant Special Boiler Steel Plate.
Maintenance & retrofit: Boiler renovation, equipment overhaul and spare‑part fabrication using Boiler Plate series materials.
9. Package & Delivery
Protective package: Anti‑rust waterproof paper wrapping, steel strapping and wooden pallet support for Boiler Plate, Boiler Steel Plate and Special Boiler Steel Plate.
Export seaworthy package: Moisture‑proof treatment with ISPM‑15 fumigated pallets for ocean shipment.
MOQ: Small & bulk orders acceptable.
Stock items deliver within 3‑7 working days; customized special grade, heavy thickness, heat‑treated & UT‑required Boiler Plate take 7‑15 working days.
Deep‑processing service: Cutting, sizing, beveling, sandblasting for one‑stop solution.
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