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Standard: GB/T 5310 seamless steel tubes and pipes for high pressure boiler

Steel grade: 20G

Out-diameter: 4mm-80mm

Wall thickness: 0.5mm-13mm

Application: For high pressure boiler

Technology: Cold-drawn

Steel grade 20G chemical composition(%):

C: 0.17~0.23

Si: 0.17~0.37

Mn: 0.35~0.65

20G is widely used in boiler economizers, superheaters, convection tubes, water walls and various headers. 20G has good bending and welding performance, so it is widely used in the manufacture of heating surfaces in boilers whose wall temperature is lower than 480℃ tube。

JINHANG is one of the leading China Small-diameter seamless steel pipe manufacturers and suppliers, We focus on small precision seamless steel tube R&D manufacturing. If you want to buy or import best high-quality seamless steel pipe from professional factory, Please don't hesitate to contact us.

http://www.jinhangsteeltube.com/