Pressure vessel steel plates refer to carbon steel and low alloy steel plates used to manufacture pressure vessel shells. These steel plates need to have high strength, corrosion resistance and good welding performance to ensure the safe operation of equipment under high pressure and complex stress environments. The following are several common pressure vessel steel plates and their characteristics:

‌Q345R steel plate‌

‌Performance characteristics‌: Q345R is a low alloy high strength steel with a yield strength of 345MPa and a tensile strength of 510-640MPa. It has good welding performance, corrosion resistance and processing performance, and is suitable for manufacturing equipment such as storage tanks, reactors, and heat exchangers.

Application scenarios‌: Widely used in industries such as petrochemicals, power and food for the manufacture of high pressure vessels and pipelines.

‌12Cr2Mo1R steel plate‌

‌Performance characteristics‌: 12Cr2Mo1R steel plate has high temperature strength, corrosion resistance and hydrogen resistance. Its chemical composition includes elements such as carbon (C), silicon (Si), manganese (Mn), chromium (Cr), phosphorus (P), sulfur (S) and molybdenum (Mo), and it complies with the GB/T713-2023 standard.

‌Application scenarios‌: Mainly used in the petroleum, chemical and power industries to manufacture high-pressure vessels and pipelines.

‌14Cr1MoR steel plate‌

Performance characteristics‌: It complies with the GB/T 713.2-2023 standard and has excellent mechanical properties and high temperature resistance. Its thickness range is wide, usually between 6mm and 200mm.

‌Application scenarios‌: It is suitable for the manufacture of various pressure vessels, especially equipment working in high temperature environments.

‌SA516Gr70 container plate‌

Performance characteristics‌: It complies with the ASTM/ASME EN10028-2 standard, has a tensile strength of about 482MPa, and has good welding performance and corrosion resistance. It can still maintain high impact toughness in low temperature environments.

‌Application scenarios‌: Widely used in the manufacture of large pressure vessels and other structural parts‌.

The selection and application of these steel plates should be based on specific industrial needs and environmental conditions to ensure the safety and reliability of pressure vessels.