Applications of GB/T 5310 20G & 20MnG Steel Pipes 

20G Steel Pipe – Main Uses

• Used in boilers and power stations

• For superheaters, economizers, and steam pipes

• Works under high temperature and high pressure

• Widely used in thermal power plants, industrial boilers, and heat equipment

20MnG Steel Pipe – Main Uses

• Similar to 20G but with higher strength

• Used in high-pressure boilers and large power equipment

• Suitable for steam pipelines, pressure parts, and heavy industrial systems

• Also used in petrochemical, heat exchange, and high-temperature pipeline projects