Grade 20MoG
China ISC A65208
Corresponding Standard GB /T 5310-2017
Seamless steel tubes and pipes for high pressure boiler
Classification Alloy Steel
20MoG Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo V
Minimum Value 0.15 0.17 0.4 - - - - - 0.44 -
Maximum Value 0.25 0.37 0.8 0.025 0.015 0.3 0.3 0.2 0.65 0.08
* Elements not listed in this table shall not be intentionally added to the steel without the agreement of the purchaseer, except for finishing the cast. The manufacturer shall take all appropriate measures to prevent the addition of these elements from scrap or other materials used in steelmaking, which may adversely affect the mechanical properties and usability.
Approximate Comparison Table Seamless steel tubes and pipes for high pressure boiler
China United States
GB ISC ASTM/AISI
20MoG A65208 SA-209 Tla
20MoG Corresponding Standards(Same grade name, different standards)

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