Grade HMn57-3-1
China ISC T67410
Corresponding Standard GB /T 5231-2012
Classification Copper and Copper Alloys
HMn57-3-1 Chemical Element Composition Content (%)
Component Fe Mn Cu Pb Al Other Total More
Minimum Value - 2.5 55 - 0.5 - Zn:余量
Maximum Value 1 3.5 58.5 0.2 1.5 1.3
"Other individual elements or other totals": The chemical composition includes elements not specified in the table. Analysis should only be conducted if these elements are suspected to be present, or if routine analysis suggests that their content may exceed the prescribed limits.
Approximate Comparison Table Bronze
China Japan United States International Organization for Standardization France Russia
GB ISC JIS ASTM UNS ISO Numerical Grade NF EN/NF GOST
HMn57-3-1 T67410 C6782
C67820
57Cu-39Zn-3Mn-1Al C67820 CuZn39Mn3Al C67820 CuZn39Mn3Al
C67820
ЛМцА57-3-1
HMn57-3-1 Corresponding Standards(Same grade name, different standards)

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