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Help CenterSteel Sheet & Plate & Pressure Vessel Plate，GB/T 713、GB 3531、EN 10028、ASME SA516、ASME SA387
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1. Product Introduction
Pressure Vessel Steel Plate is special steel for pressure equipment. It is divided into Carbon Pressure Vessel Plate, Low Alloy Pressure Vessel Plate and Low Temperature Pressure Vessel Plate. Produced via refined smelting and controlled rolling, with strictly limited S & P impurities, uniform internal structure, excellent pressure resistance, impact toughness, weldability and fatigue resistance. Widely used for boilers, storage tanks, heat exchangers, reactors, spherical tanks in petrochemical, energy and chemical industries.
2. Production Process
Molten iron pretreatment → Smelting → LF refining → Vacuum degassing → Slab heating → Hot rolling → Controlled cooling → Heat treatment (Normalizing / Tempering optional) → Finishing → UT inspection → Delivery
Carbon Pressure Vessel Plate: As rolled for normal temperature low-pressure equipment
Low Alloy Pressure Vessel Plate: C-Mn low alloy grade, higher strength for medium temperature & medium pressure service
Low Temperature Pressure Vessel Plate: Ni-alloyed steel to guarantee low temperature toughness and prevent brittle fracture
Processing service: CNC cutting, edge beveling, dished head pressing, customized length cutting available.
3. Grades & Standards
1. Carbon Pressure Vessel Plate
Grades: Q245R, P235GH, P265GH, SA515 Gr60, A285 Gr.C Application: Equipment above -20℃, air receiver, normal pressure storage tank, general boiler shell
2. Low Alloy Pressure Vessel Plate
Grades: Q355R(Q345R), Q370R, 15CrMoR, 13MnNiMoR, P295GH, P355GH, SA516 Gr70, SA387 Gr11/Gr22 Application: Medium temperature & medium-high pressure vessels, heat exchangers, towers, spherical tanks, oil & gas storage equipment
3. Low Temperature Pressure Vessel Plate
Grades: 16MnDR, 09MnNiDR, 06Ni9DR, P275NL1, P355NL2, SA662 Gr.C, SA203 D/E Application: Cryogenic storage tank, LNG equipment, liquid ammonia & liquid nitrogen vessels, low temperature facilities
Standards: GB/T713, GB3531, EN10028, ASME SA516, ASME SA387
4. Specification Range
Thickness: 6mm – 200mm
Width: 1500mm – 2500mm (1800/2000/2200/2400mm regular)
Length: 6000/9000/12000mm, customized cut length available
Plate weight: 0.5–25 MT
Surface: Hot rolled black surface; shot blasting & anti-rust primer optional
UT inspection: Class Ⅰ / Class Ⅱ ultrasonic testing optional
Delivery condition: As rolled, controlled rolled, normalized, normalized & tempered
5. Performance Features
Carbon Pressure Vessel Plate: Cost-effective for normal temperature pressure equipment, easy welding & forming
Low Alloy Pressure Vessel Plate: Higher yield strength, stable performance under medium temperature and pressure
Low Temperature Pressure Vessel Plate: Certified low temperature impact property, avoid cold brittle fracture under cryogenic working condition
6. Mechanical Property Reference
Q245R: Yield ≥245MPa, Tensile 400–520MPa, Elongation ≥21%
Q355R: Yield ≥355MPa, Tensile 490–630MPa, Elongation ≥21%
16MnDR: Satisfied impact value at -40℃
06Ni9DR: Excellent toughness down to -196℃
7. Application
✅ Carbon Pressure Vessel Plate: Air tank, water pressure vessel, small boiler shell, atmospheric storage tank
✅ Low Alloy Pressure Vessel Plate: Petrochemical reactor, heat exchanger, tower, spherical tank, power utility steam drum
✅ Low Temperature Pressure Vessel Plate: LNG tank, cryogenic liquid storage tank, low temperature separation unit
8. Tolerance
Compliant with GB/T709 special equipment precision. Flatness & thickness strictly controlled; internal defects inspected by UT.
9. Package & Trade Terms
Package: Seaworthy export packing with wooden skids, steel strapping, edge protection; anti-rust primer available
Documents: Official Mill Test Certificate (MTC); SGS/BV third-party inspection acceptable
MOQ: 5 MT; single heavy plate available
Lead time: Stock items 5–10 days; customized heat treatment & extra thick plate 20–35 working days
Trade terms: EXW, FOB, CFR, CIF
Payment: T/T, L/C negotiable
10. Advantages
✔ Full series supply: Carbon Pressure Vessel Plate, Low Alloy Pressure Vessel Plate, Low Temperature Pressure Vessel Plate
✔ Refined low S&P steel, high UT qualification rate, meet special equipment supervision requirements
✔ Multiple delivery conditions, comply with Chinese, European & American standards
✔ Custom cutting & bevel processing service ✔ Rich stock, extra thick plate available on order
11. Remarks
Select Carbon Pressure Vessel Plate for normal temperature low-pressure projects. Choose Low Alloy Pressure Vessel Plate for medium temperature & medium-high pressure petrochemical equipment. Low Temperature Pressure Vessel Plate is mandatory when working temperature below -20℃. Please confirm UT grade, impact temperature and delivery condition before order.
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