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Material
20Mn2A
Standard
GB /T 10560-2008
High tensile of round link chains for mines
Standard
GJB 1951-1994
Specification for quality structure steel bars for avication
Standard
HB /Z 136-2000
Heat treatment process of aviation structural steel
Chemical Composition
(%)
Standard
Material Designation
Chemical Composition (%)
GB /T 10560-2008
High tensile of round link chains for mines
20Mn2A
Min
Max
GJB 1951-1994
Specification for quality structure steel bars for avication
20Mn2A
Min
Max
HB /Z 136-2000
Heat treatment process of aviation structural steel
20Mn2A
Min
Max
For Reference Only
