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Help CenterSteel Sheet & Plate & Pressure Vessel Plate，16MnDR、15CrMoR、P355GH、SA516Gr60、SA516Gr70
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Pressure Vessel Plate, also known as pressure‑vessel‑special steel plate, is hot‑rolled special steel plate manufactured per special‑equipment pressure‑bearing standards. With strict control on sulfur and phosphorus impurities, Pressure Vessel Plate delivers stable weldability, excellent low‑temperature impact toughness, anti‑fatigue performance, hydrogen‑induced cracking resistance and high pressure‑bearing safety factor. Pressure Vessel Plate can withstand long‑term high‑temperature, high‑pressure and alternating loads, serving as core pressure‑bearing steel for pressure vessels, storage tanks and reaction towers in petrochemical, coal‑chemical and power‑energy industries. Mainstream grades of Pressure Vessel Plate in market are Q245R Pressure Vessel Plate and Q345R Pressure Vessel Plate. Different‑grade Pressure Vessel Plate adapts to differentiated pressure‑bearing conditions including medium‑low‑pressure ambient temperature and high‑pressure high‑temperature working conditions. With complete specifications and full original‑mill quality certificates available, Pressure Vessel Plate supports deep‑processing services such as flame cutting, plasma blanking, beveling, UT inspection and heat treatment. Featuring pure material, good weldability and high cost‑performance, Q245R Pressure Vessel Plate is the most widely circulated Pressure Vessel Plate in the market, extensively used for ordinary heat exchangers, low‑pressure storage tanks and atmospheric‑pressure reaction equipment. With higher yield strength and superior comprehensive mechanical properties,Q345R Pressure Vessel Plate boasts strong compression & explosion‑resistance performance, mostly applied for high‑pressure storage tanks, spherical tanks, boiler drums and chemical high‑pressure reaction towers. Conventional thickness of Pressure Vessel Plate ranges 6‑120mm, width 1500‑3000mm, length 3000‑12000mm. Main grades include Q245R, Q345R, with customized low‑temperature, heat‑resistant and foreign‑trade grades such as 16MnDR, 15CrMoR, P355GH, SA516Gr70 available. Delivery states are hot‑rolled and normalized. Every plate passes full inspection of appearance, dimension, ultrasonic test and impact mechanical property. Pressure Vessel Plate complies with GB/T713‑2023 national standard as well as ASME SA516, EN10028 foreign‑trade standards. Pressure‑vessel manufacturers, petrochemical engineering and power‑equipment enterprises can select Q245R Pressure Vessel Plate and Q345R Pressure Vessel Plate according to design pressure, medium temperature and corrosion condition, giving full play to advantages of reliable pressure‑bearing capacity, excellent toughness and stable weldability of Pressure Vessel Plate and ensuring safe and stable operation of various special pressure‑bearing equipment.
1. Material Grade & Model
Domestic Conventional Pressure Vessel Plate Grades: Q245R, Q345R
Special & Foreign‑Trade Pressure Vessel Plate Grades: 16MnDR, 15CrMoR, P355GH, SA516Gr60, SA516Gr70
Main Grade Types: Q245R Pressure Vessel Plate, Q345R Pressure Vessel Plate, low‑temperature pressure vessel plate, heat‑resistant pressure vessel plate
Q245R Pressure Vessel Plate: Thickness 6‑100mm, width 1500‑3000mm, good plasticity & weldability, suitable for medium‑low‑pressure storage tanks, heat exchangers and ordinary pressure vessels;
Q345R Pressure Vessel Plate: Thickness 6‑120mm, width 1500‑3000mm, higher strength, suitable for high‑pressure spherical tanks, boiler drums and chemical high‑pressure towers; All grades comply with GB/T713‑2023 national standard and meet ASME SA516, EN10028 international standards. Custom services including Z‑direction property, UT inspection and special heat‑treatment are supported, with full‑set original‑mill material reports, UT certificates and mechanical‑property certificates provided.
2. Product Grades and Classification
- Q245R Pressure Vessel Plate: General‑purpose medium‑low‑pressure grade Pressure Vessel Plate with strict impurity control, excellent welding & forming performance and economical cost, suitable for ambient‑temperature medium‑pressure pressure vessels, storage tanks and heat‑exchange equipment;
- Q345R Pressure Vessel Plate: High‑pressure high‑strength grade Pressure Vessel Plate with high yield strength and outstanding anti‑fatigue & impact‑resistance performance, adapted to high‑pressure large‑volume pressure‑bearing‑equipment working conditions;
‑ Low‑temperature Pressure Vessel Plate: Grades like 16MnDR with excellent low‑temperature impact property, for low‑temperature storage tanks and low‑temperature reaction vessels;
‑ Heat‑resistant Pressure Vessel Plate: Alloy grades like 15CrMoR with high‑temperature creep resistance, for high‑temperature boilers and high‑temperature reaction equipment;
‑ Surface grades: hot‑rolled black surface, sand‑blasting rust removal, shot‑blasting pre‑treatment, surface finishing available per drawings;
‑ Compliance Standards: GB national standard, ASME American standard, EN European standard, suitable for domestic special‑equipment manufacturing and import‑export foreign‑trade pressure‑equipment orders.
3. Execution Standards
- GB/T 713‑2023 Steel plates and strips for pressure‑bearing equipment
‑ GB/T 2970 Ultrasonic testing method for heavy steel plates
‑ ASME SA516/SA516M Carbon steel plates for moderate‑ and low‑temperature pressure vessels
‑ EN 10028‑2 Flat steel products for pressure purposes
‑ NB/T 47013 Non‑destructive testing for pressure‑bearing equipment
‑ Original‑mill material certificates, mechanical‑property reports and ultrasonic test reports are available, supporting SGS/BV third‑party authoritative inspection & acceptance to meet special‑equipment inspection requirements.
4. Core Specifications and Parameters
Pressure Vessel Plate‑Q245R Pressure Vessel Plate: Thickness 6‑100mm; Width 1500‑3000mm; Length 3000‑12000mm; Hot‑rolled / normalized delivery; for low‑pressure storage tanks, heat exchangers, ordinary pressure vessels and atmospheric‑pressure reaction kettles;Pressure Vessel Plate‑Q345R Pressure Vessel Plate: Thickness 6‑120mm; Width 1500‑3000mm; Length 3000‑12000mm; Hot‑rolled / normalized delivery; for high‑pressure spherical tanks, boiler drums, petrochemical high‑pressure towers and large‑volume pressure storage tanks; Full‑series Pressure Vessel Plate supports fixed‑length cutting, beveling, UT inspection, Z‑direction property treatment and normalizing heat‑treatment deep‑processing.Q245R Pressure Vessel Plate has sufficient spot stock with convenient welding processing and economical cost, being the most widely used Pressure Vessel Plate in pressure‑bearing‑equipment manufacturing;Q345R Pressure Vessel Plate features high strength grade with excellent high‑pressure and anti‑fatigue performance, adapting to large‑scale high‑pressure pressure‑bearing equipment in petrochemical and power industries.
5. Classification & Performance Characteristics
- Q245R Pressure Vessel Plate: Pure chemical composition with low harmful elements, balanced plasticity and toughness, low welding‑forming difficulty and stable heat‑treatment performance with outstanding comprehensive cost‑performance, suitable for most medium‑low‑pressure ambient‑temperature pressure‑bearing equipment;
‑ Q345R Pressure Vessel Plate: Optimized alloy ratio with higher yield and tensile strength, excellent resistance against alternating load and hydrogen‑induced cracking, larger overall pressure‑bearing safety margin, fit for high‑pressure large‑volume equipment;
‑ Low‑temperature Pressure Vessel Plate: Qualified low‑temperature impact energy to restrain low‑temperature brittle fracture, for low‑temperature medium storage and reaction devices;
‑ Heat‑resistant Pressure Vessel Plate: Alloyed elements added for high‑temperature creep resistance, stable mechanical properties under high‑temperature working conditions;
‑ UT inspection grades: Grade Ⅰ / Ⅱ / Ⅲ ultrasonic testing optional, complying with different special‑equipment design specifications;
‑ Both Q245R Pressure Vessel Plate and Q345R Pressure Vessel Plate support customization of thickness, width, length, inspection grade and heat‑treatment technology according to equipment drawings, meeting various non‑standard pressure‑vessel design requirements.
6. Main Applications
Pressure Vessel Plate is core special pressure‑bearing steel plate for special‑equipment manufacturing industry, extensively applied for petrochemical storage tanks, spherical tanks, heat exchangers, reaction towers, boiler drums, coal‑chemical synthesis equipment, power‑industry pressure‑bearing devices, pharmaceutical pressure vessels and oil‑gas separation equipment. Q245R Pressure Vessel Plate is mostly used for medium‑low‑pressure storage tanks, ordinary heat‑exchange equipment and atmospheric‑pressure reaction devices, serving as the preferred Pressure Vessel Plate for medium‑and‑small‑sized pressure‑bearing‑equipment manufacturing due to stable welding performance and high cost‑performance. Q345R Pressure Vessel Plate is widely adopted for high‑pressure spherical tanks, large‑scale chemical towers, power‑station boiler drums and other high‑pressure heavy‑load working conditions, adapting to complex production environments with high‑temperature and high‑pressure media. Pressure‑vessel equipment, petrochemical engineering and power‑equipment manufacturers can select products accurately according to design pressure, medium temperature and corrosion grade. Relying on complete specifications, controllable UT inspection, traceable material and stable mass‑supply capacity of Pressure Vessel Plate, safe and compliant production of pressure‑bearing equipment can be guaranteed.
7. Packing, MOQ & Lead Time
- Packing: Pressure Vessel Plate separated by wood padding between layers, firmly fixed with high‑strength steel straps, corner protection, clear and standard heat‑lot marking, moisture‑proof, rust‑proof and collision‑resistant, suitable for long‑distance land and sea export transportation;
- MOQ: 5 tons minimum order quantity, mixed ordering of Q245R Pressure Vessel Plate and Q345R Pressure Vessel Plate supported, small‑batch sample orders and large‑scale petrochemical‑project bulk procurement acceptable;
- Lead Time: 5‑7 days for regular in‑stock specifications; 7‑15 days for customized special thickness, UT inspection and heat‑treatment orders.
Full‑set material certificates and UT inspection reports are supplied together with goods, supporting third‑party inspection and applicable to FOB, CIF, DAP and other foreign‑trade terms.
8. Product Advantages
Pressure Vessel Plate features strict control over harmful impurities, uniform stable microstructure, excellent low‑temperature impact toughness and high pressure‑bearing safety factor, complying with special‑equipment safety standards;
2. Q245R Pressure Vessel Plate delivers good welding & forming performance, convenient processing and high cost‑performance, satisfying mass‑production requirements of most medium‑low‑pressure pressure‑bearing equipment;
3. Q345R Pressure Vessel Plate owns high strength and high toughness, resisting high pressure and fatigue, capable of complex alternating‑load working conditions with outstanding reliability for large‑scale pressure‑bearing equipment;
4. Every piece of Pressure Vessel Plate undergoes plate‑by‑plate UT inspection with traceable heat‑lot number and complete certificates, complying with domestic special‑equipment acceptance and foreign‑trade export pressure‑equipment standards.
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