Pressure Vessel Steel is a type of specially engineered carbon steel or low-alloy steel designed to withstand high pressure, elevated temperature, corrosion, and mechanical stress. It is widely used in the manufacturing of:
- Boilers
- Storage tanks
- Chemical reactors
- Heat exchangers
- LNG and cryogenic vessels
- Oil & gas pressure equipment
- Petrochemical containers
Huaxiao Metal supplies high-quality pressure vessel steel manufactured according to ASME, ASTM, EN 10028, DIN, GB/T 713, PED, and other international standards. We ensure stable composition, high strength, and excellent weldability for critical industrial applications.
Looking for pressure vessel plates, coils, or pipes?
We supply complete material packages for boilers, chemical tanks, LNG systems, and heavy-pressure equipment.
Technical Specifications
| Property | Range / Description |
|---|---|
| Thickness | 3 – 200+ mm |
| Width | 1000 – 3200 mm |
| Length | 2000 – 12000 mm |
| Delivery Condition | Normalized / TMCP / Q+T |
| Standards | ASTM, ASME, EN 10028, PED, GB/T 713 |
| Testing | UT, HIC, SSCC, Impact Test, Hardness, Flattening |
Additional services:
- CNC cutting
- Bending & rolling
- Heat treatment
- Custom machining
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Available Forms / Grades of Pressure Vessel Steel
Available Forms of Pressure Vessel Steel
Pressure vessel steel is not limited to plate form. We supply a full range of shapes to meet diverse engineering and fabrication needs.
✔Pressure Vessel Steel Plates (Most Frequent Form)
- Medium plate, heavy plate, ultra-heavy plate
- Perfect for boiler shells, vessel walls, and high-pressure structural parts
- Available in Normalized, Q+T, or TMCP states
- Thickness range: 3 mm – 200+ mm
✔Pressure Vessel Steel Coils
- Ideal for rolling into cylinders or fabricating thinner vessel components
- Thickness typically 3–12 mm
- Coil to sheet cutting service available
✔Pressure Vessel Steel Sheets
- Used for low & medium-pressure vessels
- Suitable for heaters, small chemical tanks, and pressure covers
✔ Pressure-Rated Pipes & Tubes
Huaxiao Metal also supplies pressure vessel grade pipes for:
- Heat exchangers
- Boiler tubes
- Pressure pipeline systems
- Petrochemical equipment
Types available:
- Seamless Pipes
- Welded Pipes
- U-bend Heat Exchanger Tubes
- Boiler Tubes
✔ Pressure Vessel Steel Forgings
For high-stress, thick-wall components requiring superior strength:
- Flanges
- Tube sheets
- Dished heads
- Vessel rings
✔ Pressure Vessel Steel Fittings
Available upon request:
- Caps
- Nozzles
- Elbows
- Forged flanges
- Reinforced pipes
➡ With these forms, Huaxiao Metal can supply your complete pressure vessel raw material package.
Grades Available
We supply all major international pressure vessel steel grades:
EN 10028 Series
- P235GH
- P265GH
- P275NH / P275NL
- P355NH / P355NL1 / NL2
ASTM / ASME Boiler & Pressure Vessel Series
- SA516 Gr 60 / 65 / 70
- SA515 Gr 60 / 65 / 70
- SA387 Gr 11 / 12 / 22 (Cr-Mo alloy)
- SA299, SA204, and more
GB/T 713 China Standard
- Q245R
- Q345R
- 16MnR
- 15CrMoR
- 12Cr2Mo1R
If you’re not sure which pressure vessel carbon steel grade suits your application, Huaxiao Metal offers free material selection consulting.
Key Features & Advantages
✔ High Pressure Resistance
Engineered for internal pressure, ensuring safe long-term operation under critical load.
✔ Excellent Weldability & Formability
Fine-grain structure ensures stable welding performance and easy fabrication.
✔ Superior Mechanical Strength
High yield strength and tensile strength are suitable for high-pressure industrial environments.
✔ Temperature & Corrosion Resistance
Supports high-temperature boilers, hydrogen environments, acidic chemical systems, and cryogenic storage.
✔ Strict Quality Control
Each batch undergoes:
- Chemical composition analysis
- Mechanical testing
- Impact toughness test
- UT ultrasonic inspection
- HIC/SSCC tests for hydrogen service
- Heat treatment verification
We provide full MTC EN 10204 3.1 / 3.2 certification.
Applications
Huaxiao Metal pressure vessel steel is widely used in:
✔ Chemical & Petrochemical Industry
Reactors, heat exchangers, reformers
✔ Oil & Gas
LNG tanks, pressure pipeline systems
✔ Boilers & Power Generation
Steam drums, boiler walls, high-pressure pipes
✔ Food & Pharmaceutical Industry
Sanitary pressure tanks
✔ Shipbuilding & Offshore Engineering
High-pressure storage tanks, risers, subsea systems
Why Choose Huaxiao Metal?
Direct factory supply — stable quality & better price
Full range of product forms — plates, coils, tubes, forgings
24-hour quick quotation
Strict QC + full certification
Large stock & fast delivery
Experience in exporting to 80+ countries
We help you reduce cost, shorten delivery time, and improve project safety.
FAQ About Pressure Vessel Steel
What is pressure vessel steel?
Pressure vessel steel is a specialized carbon or low-alloy steel designed to withstand high internal pressure, high temperature, and corrosive environments. It is commonly used in boilers, chemical tanks, reactors, LNG storage, and oil & gas pressure equipment.
What are the major standards for pressure vessel steel?
The most commonly used standards include ASME SA516 / SA387, ASTM A516 / A387, EN 10028, DIN, PED, GB/T 713, and other national codes. Huaxiao Metal supplies all major international grades.
What forms of pressure vessel steel are available?
Pressure vessel steel is available in plates, coils, sheets, seamless pipes, welded pipes, forgings, and fittings. Huaxiao Metal supplies all forms for complete vessel fabrication needs.
How to choose the right grade?
Grade selection depends on working pressure, temperature, corrosion level, and design code.
Common choices:
SA516 Gr 70 → general pressure vessels
SA387 Gr 11/22 → high temperature
P355GH / P275NL / NL2 → European EN 10028 vessels
You can contact Huaxiao Metal for free technical selection support.
Do you provide MTC and third-party inspection?
Yes. We provide EN 10204 3.1 / 3.2 MTC, and third-party inspection from SGS, TUV, BV, LR, DNV, depending on project requirements.
What services can Huaxiao Metal offer?
We offer cutting, drilling, bending, rolling, heat treatment, CNC machining, and ready-for-fabrication vessel plates.
Can you export pressure vessel steel worldwide?
Yes. Huaxiao Metals exports its products to Europe, South America, Southeast Asia, the Middle East, and Africa, and supports door-to-port, CIF, DDP, and other logistics methods.