HP265 gas cylinder steel plate is a widely used material under the GB/T 6653 standard, specifically engineered for welded gas cylinders such as LPG, propane, and industrial gas storage tanks.
HP265 gas cylinder steel plate
As a professional steel supplier, Gnee provides high-quality HP265 steel plates with stable performance, strict quality control, and global export experience, helping customers reduce risk while improving production efficiency.
What is HP265 Gas Cylinder Steel Plate
HP265 is a low carbon steel designed for pressure vessel and gas cylinder manufacturing. It offers an optimal balance between strength, ductility, and weldability, making it highly suitable for cold forming and deep drawing processes required in cylinder production.
Compared with lower grades like HP235, HP265 provides improved strength, while maintaining excellent forming performance. Compared with higher grades like HP295, it offers a more cost-effective solution for standard pressure applications.
Chemical Composition of HP265 Steel Plate
The chemical composition of HP265 is carefully controlled to ensure good weldability and structural integrity.
| Element | Content (%) |
|---|---|
| C (Carbon) | ≤ 0.16 |
| Si (Silicon) | ≤ 0.30 |
| Mn (Manganese) | 0.50 – 1.20 |
| P (Phosphorus) | ≤ 0.025 |
| S (Sulfur) | ≤ 0.015 |
Low carbon content improves formability and reduces the risk of cracking during welding, which is critical in gas cylinder manufacturing.
Mechanical Properties of HP265 Steel Plate
HP265 steel plates provide stable mechanical performance to ensure safety under internal pressure.
| Property | Value |
|---|---|
| Yield Strength | ≥ 265 MPa |
| Tensile Strength | 410 – 530 MPa |
| Elongation | ≥ 26% |
Main Applications of HP265 Steel Plate
HP265 is specifically developed for pressure-containing structures and is widely used in:
1. LPG Gas Cylinders
HP265 is one of the most common materials for household and commercial LPG cylinders. Its stable strength and ductility allow safe storage of propane and butane gases under pressure.
2. Industrial Gas Storage Tanks
Used in the production of oxygen, nitrogen, and compressed air cylinders where reliability and consistency are critical.
3. Welded Pressure Vessels
HP265 is suitable for small to medium-sized pressure vessels requiring good weldability and forming properties.
4. Propane & Butane Cylinders
The material's resistance to deformation ensures long-term durability under cyclic pressure conditions.
Why HP265 is Ideal for Gas Cylinder Manufacturing
1. Excellent Formability
HP265 supports deep drawing and cold forming without cracking, making it ideal for mass production lines.
2. Superior Weldability
Low sulfur and phosphorus content reduce weld defects, ensuring safer cylinder joints.
3. Cost-Performance Advantage
Compared with higher grades like HP295, HP265 provides sufficient strength for standard applications at a lower cost.
4. Stable Quality for Safety Compliance
HP265 meets GB/T 6653 requirements, ensuring compliance with pressure vessel safety standards.
| Thickness | Width | Length | Delivery Condition |
|---|---|---|---|
| 2.0 – 12 mm | 1000 – 2500 mm | 2000 – 12000 mm | Hot Rolled |
Gnee can supply customized sizes based on your cylinder design and production requirements.
HP265 gas cylinder steel plate is a proven, reliable, and cost-effective material for manufacturing LPG cylinders and pressure vessels. Its combination of moderate strength, excellent ductility, and superior weldability makes it the preferred choice for manufacturers aiming for both safety and efficiency.
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What is HP265 steel plate used for?
HP265 steel plate is mainly used for manufacturing refillable gas cylinders and pressure vessels, especially in applications involving cyclic pressure such as refrigerant cylinders, air conditioning storage tanks, and automotive air systems, where good fatigue resistance is required.
What is the main advantage of HP265 cylinder steel?
The main advantage of HP265 steel is its excellent fatigue resistance under repeated pressure conditions, combined with good formability and stable chemical composition, making it ideal for long-term reusable gas containers.
What is the difference between HP265 and HP295 steel?
HP265 focuses on fatigue resistance and is suitable for medium-pressure, cyclic-use containers, while HP295 offers higher strength and is mainly used for LPG cylinders that require higher safety margins.
Is HP265 suitable for LPG gas cylinders?
HP265 can be used for LPG cylinders in some cases, but it is generally not recommended, as HP295 is the industry-preferred material due to its higher strength and better safety performance.
What is the typical thickness of HP265 steel plate?
HP265 steel plate is usually supplied in thicknesses ranging from 2.0 mm to 3.0 mm, with tight tolerance control to ensure consistent forming performance and pressure stability.
Is HP265 steel easy to weld?
Yes, HP265 steel has good weldability due to its low carbon content and controlled alloy composition, resulting in low cracking risk and stable weld seam quality.
What is the equivalent grade of HP265 steel?
HP265 is commonly equivalent to EN standard P265NB and ISO BW265, which are widely used in pressure vessel and cylinder manufacturing in international markets.
Can HP265 steel be used for high-pressure applications?
HP265 is suitable for medium-pressure environments, but for high-pressure gas cylinders, higher strength grades like HP325 or HP365 are recommended.
What surface condition is available for HP265 steel?
HP265 steel is typically supplied in hot rolled, pickled and oiled, or slit strip conditions, with pickled surfaces preferred for better forming and welding quality.