Grade B30
Other Names
Corresponding Standard GB /T 5231-2001
Designation and Chemical Composition of Wrought Copper and Copper Alloys
Classification Copper and Copper Alloys
B30 Chemical Element Composition Content (%)
Component Fe C Si Mn P S Pb More
Minimum Value - - - - - - - Ni+Co:29~33
Cu: Balance
Maximum Value 0.9 0.05 0.15 1.2 0.006 0.01 0.05
Approximate Comparison Table Wrought Cupronickel
China Japan United States International Organization for Standardization France Russia United Kingdom
GB ISC JIS ASTM UNS ISO Numerical Grade NF EN/NF GOST Commercial Grade BS EN/BS
B30 T71400 C7151
C71500
70Cu-30Ni C71500 CuNi30 C71500 CuNi30 МН30
C71500
CN106 C71500
B30 Corresponding Standards(Same grade name, different standards)

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