JIS G3116 SG255 steel plate

　　JIS G3116 SG255 is a professional medium-temperature pressure vessel and gas cylinder structural steel. It complies strictly with the JIS G3116 standard, featuring stable mechanical performance, low impurity content and excellent forming & welding properties. SG255 steel is specially designed for gas cylinder and gas vessel manufacturing, and widely applied in petrochemical, power station and boiler pressure equipment manufacturing fields.

Basic Product Parameters

Equivalent Steel Grades

　　SG255 JIS G3116 steel has a clear international equivalent grade for engineering substitution.

SG255 Chemical composition (Heat Analysis Max %):

JIS G3116 SG255 Mechanical property:

Main Applications

　　JIS G3116 SG255 medium-temperature pressure vessel steel is widely used in petroleum, chemical industry, power station, boiler and other industrial fields. It is the preferred material for manufacturing reactors, heat exchangers, separators, spherical tanks, liquefied gas storage equipment, nuclear reactor pressure vessels, boiler steam drums, high-pressure pipelines, hydropower station spiral cases and other pressure-bearing equipment and structural components.

　　We are a professional supplier and stockist of JIS G3116 series gas cylinder and pressure vessel steel, providing high-quality SG255, SG295 and SG325 steel plates with complete specifications. All products are equipped with standard MTC certificates and support third-party testing. With sufficient stock and flexible delivery cycle, we support global bulk wholesale and engineering project customization, providing reliable steel supply and professional technical support for pressure vessel and gas cylinder manufacturing enterprises.