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Material
ML22Mn
Standard
GB T 6478-2001
Steels for cold heading and cold extruding
Standard
GB /T 6478-2015
Steels For Cold Heading And Cold Extruding
Standard
GB /T 5953.1-2009
Chemical Composition
(%)
Standard
Material Designation
Chemical Composition (%)
GB T 6478-2001
Steels for cold heading and cold extruding
ML22Mn
(
U41228
)
Min
Max
GB /T 6478-2015
Steels For Cold Heading And Cold Extruding
ML20Mn
(
U41208
)
(
ML22Mn
)
Min
Max
GB /T 5953.1-2009
ML22Mn
Min
Max
For Reference Only
