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Help CenterSteel Sheet & Plate & Pressure Vessel Plate，Q245R、Q345R、Q370R、16MnDR、09MnNiDR、SA516Gr60、SA516Gr70
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1. Product Introduction
Pressure Vessel Plate is special hot‑rolled medium and heavy steel plate for pressure‑bearing equipment, produced under strict pressure‑equipment standards with strictly controlled sulfur and phosphorus impurities. It features high strength, high toughness, excellent fatigue resistance, lamellar‑tearing resistance and good weldability. As the core product, Pressure Vessel Steel Plate owns dense & uniform internal microstructure, enabling long‑term safe service under high‑temperature, low‑temperature and high‑pressure conditions. Widely applied in pressure vessels, storage tanks, reactors, heat exchangers, boiler drums and other pressure‑bearing equipment. Classified by working conditions, it includes carbon‑grade Boiler Vessel Plate, low‑temperature vessel plate, Cr‑Mo heat‑resistant vessel plate, Z‑direction anti‑tearing plate and HIC resistant plate. Carbon‑grade for medium‑temperature & medium‑pressure equipment; low‑temperature grades guarantee impact toughness under sub‑zero environment; Cr‑Mo alloy grades fit high‑temperature hydrogen‑service conditions; Z‑grade plates prevent lamellar tearing for heavy thick‑plate welding. Surfaces shall be free of cracks, scabs, folds and slag inclusions. Every batch passes ultrasonic testing before delivery. Large‑volume export and project‑oriented customization are supported。
2. Material Grades
- Carbon Steel Vessel Plate (Mainstream General Grade): Q245R, Q345R, Q370R. Main‑streamBoiler Vessel Plate with balanced mechanical properties and good weld‑ability, widely used for storage tanks, heat exchangers, boiler drums and general pressure vessels.
- Low‑Temperature Vessel Plate: 16MnDR, 09MnNiDR. Excellent low‑temperature impact toughness for ‑40℃ and ‑70℃ respectively, applied for cryogenic storage tanks, LNG equipment and low‑temperature chemical pressure‑bearing facilities.
- Heat‑Resistant Hydrogen‑Service Alloy Plate: 15CrMoR, 14Cr1MoR, 12Cr2Mo1R. High‑temperature, creep‑resistance and hydrogen‑corrosion resistance for refinery and coal‑chemical reactors & hydrogenation units; equivalent ASTM grades SA387Gr11, SA387Gr22.
- ASTM Standard Vessel Plate: SA516Gr60, SA516Gr70. For medium‑low temperature pressure‑bearing equipment, widely adopted in export projects, available in normalized condition and HIC‑resistant version complying with ASME codes.
- Z‑Direction Property Plate: Q345R‑Z15/Z25/Z35, anti‑lamellar‑tearing for thick‑plate welding, large towers and heavy‑duty high‑pressure equipment key components.
3. Execution Standards
- GB Standard: GB/T 713‑2014
‑ ASTM Standard: ASTM A516/A516M, ASTM A387/A387M, ASME SA‑516, ASME SA‑387
‑ EN Standard: EN 10028‑2, EN 10028‑3
‑ DIN Standard: DIN 17155
4. Main Specifications
- Product Type: Pressure Vessel Plate, Pressure Vessel Steel Plate, Boiler Vessel Plate, low‑temperature vessel plate, Cr‑Mo heat‑resistant plate, Z‑direction plate, HIC‑resistant plate ‑ Thickness: 6mm‑250mm, common sizes:8mm,10mm,12mm,16mm,20mm,25mm,30mm,40mm,50mm,60mm,80mm,100mm ‑ Width:1500mm‑4800mm; Length:2000mm‑18000mm, custom fixed‑length cutting and special blanking available. ‑ Delivery Condition: Hot‑rolled, normalized, normalized + tempered, quenched & tempered; Z‑direction property and HIC‑resistant treatment optional; shot‑blasting, painting and edge beveling service available ‑ UT Level: UT‑Ⅰ, UT‑Ⅱ, UT‑Ⅲ ultrasonic testing optional; Z‑grade Z15/Z25/Z35 optional. ‑ Working Index: Carbon grade:‑20~475℃; Low‑temperature grade down to ‑70℃; Cr‑Mo alloy grade up to 550℃; tensile, bending and Charpy V‑notch impact performance guaranteed.
5. Process & Surface Treatment
Pressure Vessel Plate adopts clean‑steel smelting with strict S/P control, produced via continuous casting, heating, controlled rolling & cooling and dedicated heat‑treatment. Grain size, banded structure and inclusion level are strictly controlled for internal quality. Each batch of Pressure Vessel Steel Plate passes tensile, bending and impact tests. Plates for critical equipment go through piece‑by‑piece ultrasonic inspection to eliminate internal lamination, white‑spot and delamination defects. Available surface options include shot‑blasting & sand‑blasting, anti‑rust painting, cutting and edge chamfering. High‑parameter Boiler Vessel Plate adopts normalized or normalized plus tempered heat‑treatment for grain refinement, improving toughness and anti‑fatigue performance. HIC‑resistant version meets wet‑H₂S corrosion requirements. Further processing such as flame cutting and machining is supported.
6. Product Advantages
High Safety for Pressure‑Bearing Service: Specially designed for pressure‑vessel equipment. High steel cleanness and stable mechanical properties prevent lamellar tearing and avoid burst & leakage risks, complying with pressure‑equipment safety specifications.
Wide Working‑Temperature Compatibility: Complete grade portfolio covering room‑temperature, high‑temperature and cryogenic conditions. Carbon, low‑temperature and Cr‑Mo heat‑resistantPressure Vessel Steel Plate fit storage tank, hydrogenation and LNG projects.
Excellent Weld‑ability & Process‑ability: Low carbon equivalent and clean chemical composition provide wide welding process window, convenient for rolling, bending and welding forming, lowering equipment manufacturing difficulty.
Customized for Severe Conditions: Z‑direction anti‑tearing and HIC‑resistant grades are available for harsh wet‑hydrogen‑sulfide environment in coal‑chemical and refinery industry.
Complete Specifications & Deep‑Processing Support: Full range from thin plate to heavy‑thickness Boiler Vessel Plate. Custom cutting, beveling, shot‑blasting and painting reduce secondary‑processing workload for customers.
Traceable Export‑Grade Quality: Complete MTC, mechanical test reports and UT inspection reports are supplied per batch. Third‑party inspection by SGS/BV is acceptable for overseas‑project customs clearance, EN10204‑3.1/3.2 certificates available.
7. Application Scope
- Petrochemical Industry: Storage tanks, spherical tanks, heat exchangers, separators, reactors and hydrogenation units, large consumption of Pressure Vessel Plate; HIC‑resistant grade for wet‑H₂S service.
‑ Boiler & Power Station Industry: Boiler drums, high‑low pressure vessels and auxiliary pressure‑bearing equipment for power plants, Boiler Vessel Plate is preferred. ‑ Cryogenic Equipment Industry: Cryogenic storage tanks, LNG facilities, liquid‑nitrogen & liquid‑oxygen tanks and low‑temperature chemical equipment adopting low‑temperature series Pressure Vessel Steel Plate.
‑ Coal‑Chemical & Hydrogen‑Project Industry: Hydrogen‑service reactors, heating equipment and high‑pressure towers using Cr‑Mo alloy vessel plate; Z‑direction plate for heavy‑wall components. ‑ General Equipment Manufacturing: Pressure vessels, gas storage tanks, water‑treatment pressure tanks, metallurgical high‑pressure equipment and offshore supporting pressure‑bearing components.
8. Lead Time, Packing & Shipping Documents
- Lead Time: 10‑15 working days for regular Pressure Vessel Plate andPressure Vessel Steel Plate; 18‑25 working days for Z‑direction, HIC‑resistant and Cr‑Mo heat‑resistant Boiler Vessel Plate.
‑ Packing: Anti‑rust oil coated on plate surface, supported by wooden blocks at bottom, steel‑strap bundling plus waterproof film wrapping. Corner protectors for heavy plates, suitable for long‑distance sea transportation against scratch, collision and moisture rust.
‑ Shipping Documents: Mill Test Certificate(MTC), mechanical property report, ultrasonic test report, impact test report and certificate of origin. EN10204‑3.1 / 3.2 certificates and third‑party supervision inspection are available.
9. Order Note
Custom Pressure Vessel Plate, Pressure Vessel Steel Plate and Boiler Vessel Plate with special thickness, width, length, heat‑treatment status, Z‑grade and HIC‑resistant performance can be supplied according to equipment drawings & project technical specifications. MOQ: 5 tons. Both large project orders and small trial lots are acceptable. One‑stop deep‑processing service including cutting, beveling, shot‑blasting and painting is provided.
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