Grade HSn72-1
China ISC C44300
Corresponding Standard GB /T 5231-2012
Designation and chemical composition of wrought copper and copper alloys
Classification Copper and Copper Alloys
HSn72-1 Chemical Element Composition Content (%)
Component Fe Cu As Pb Sn * Other Total More
Minimum Value - 70 0.02 - 0.8 - Zn: Remainder
Maximum Value 0.06 73 0.06 0.07 1.2 0.4
"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.
• The mass fraction of iron in diamagnetic brass is not greater than 0.03%
* When this grade is a pipe product, the minimum Sn content is 0.9%
Approximate Comparison Table Brass
China United States International Organization for Standardization France Russia
GB ISC ASTM ISO NF EN/NF GOST
HSn72-1 C44300 72Cu-27Zn-1Sn-0.04As CuZn27Sn1As CuZn27Sn1As ЛОМш72-1-0.04

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