The popularity of A516 GR 70 in pressure vessel applications comes mainly from its excellent mechanical properties, good weldability, and cost-effectiveness. These three factors are critical to ensuring safety under high-pressure and high-temperature conditions.
Core Reasons
Mechanical Properties
A516 GR 70 pressure vessel steel plate offers high tensile strength and excellent impact resistance, maintaining stability even in low-temperature environments. This ensures that pressure vessels can withstand internal pressure, temperature fluctuations, and external loads without deformation or failure.
Good Weldability
Designed with low carbon content and controlled alloying elements such as manganese and silicon, A516 GR 70 minimizes the risk of welding cracks, simplifies post-weld heat treatment, and reduces manufacturing complexity. Since welding integrity is directly tied to the safety of pressure vessels, this property is extremely important.
Cost Advantage
Compared with high-alloy steels used in extreme temperature conditions, A516 GR 70 offers a lower material cost while still meeting the requirements of most industrial pressure vessels, such as those in refineries, chemical plants, and power generation equipment. Its wide availability also helps reduce procurement and delivery costs.
Compliance with Industry Standards
A516 GR 70 steel plate meets international standards such as ASME. This compliance eliminates regulatory barriers and ensures consistency across global manufacturing projects.
Typical Applications
A516 GR 70 is well-suited for pressure vessels operating under moderate to severe service conditions, including:
- Oil and gas processing equipment (e.g., storage tanks, separators)
- Chemical reactors and distillation towers
- Power plant boilers and heat exchangers
- Petrochemical pipelines and vessels handling non-corrosive or mildly corrosive fluids
Yuxin (Tianjin) International Trade Co., Ltd. is a steel agent. The main business of our company is: medium and thick plates, ductile cast iron pipe, seamless pipes, deformed bars, etc. of Angang, Hangang, Wugang, Nangang, Shagang and other steel plants, as well as a variety of steel related products. If you want to know more about our products, please feel free to send us an email! info@chinasteelcompany.com
