When it comes to pressure vessels, choosing the right material can make or break the performance and longevity of your equipment. At RARLON, we’ve helped countless clients make the right decision, and we’re here to break down some key differences to help you pick the best option for your project.

Both Q345R and 16MnR are excellent choices for pressure vessels, but they each have their strengths depending on what you need.
These two plates are heavy-duty options for when your pressure vessel will face both high pressure and high temperatures.
15CrMoR
Best for: High-pressure and high-temperature applications (think power plants, chemical reactors).
Strengths: Excellent heat resistance and durability. It can handle aggressive conditions, making it ideal for thermal processing systems.
SA516 Gr.70
Best for: Boilers and pressure vessels with a focus on reliability in high-temperature environments.
Strengths: It's the go-to for tough environments that require good weldability and strength at higher temperatures.
Q345R
Best for: Moderate temperature, general-purpose pressure vessels.
Strengths: Great for applications where you need reliable performance in medium-pressure environments. It’s durable, cost-effective, and easy to weld.
16MnR
Best for: Low-temperature, high-strength environments.
Strengths: If you're working in environments where temperatures drop, 16MnR is your go-to. It maintains its strength and toughness in low temps, making it perfect for high-pressure systems in cold environments.
We don’t just sell steel. We’ve spent years understanding what works best for different industries and applications. Whether you’re in petrochemicals, power, or manufacturing, we offer materials that keep your equipment safe and running smoothly — no matter the pressure.
Website: www.rarlonsteel.com
Email: [email protected]
Tel/WhatsApp: +86 189 2057 8670


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