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화학성분

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ITEM GRADE Chemical Composition(wt%) Reference Standards
Cu Zn Pb Fe Sn P Al Ni Mn Other KS JIS ASTM
OFC - 99.96 Over - - - - - - - - O2 10ppm Below D5301 C1020 H3300 C1020 B111 C10200
ETP - 99.9 Over - 0.01 Below 0.01 Below - - - - - - D5301 C1100 H3300 C1100 B188 C11000
DLP 1A 99.9 Over - 0.01 Below 0.01 Below - 0.004-0.015 - - - - D5301 C1201 H3300 C1201 B111 C12000
1B 99.9 Over - 0.01 Below 0.01 Below - 0.015-0.040 - - - - C1220 C1220 C12200
Yellow
Brass		 1 68.5-71.5 Rem. 0.05 Below 0.05 Below - - - - - - D5301 C2600 H3300 C2600 B135 C26000
2A 63.0-67.0 Rem. 0.05 Below 0.05 Below - - - - - - C2700 C2700 C27000
3 59.0-62.0 Rem. 0.07 Below 0.05 Below - - - - - - C2800 C2800 C28000
Admiralty
Brass		 - 70.0-73.0 Rem. 0.05 Below 0.05 Below 0.9-1.2 - - - - - D5301 C4430 H3100 C4621 B171 C46400
Naval
Brass		 1 61.0-64.0 Rem. 0.20 Below 0.10 Below 0.7-1.5 - - - - - D5201 C4621 H3100 C4621 B171 C46400
2 59.0-62.0 Rem. 0.20 Below 0.10 Below 0.5-1.04 - - - - - C4640 C4640 C46400
Aluminium
Brass		 1 76.0-79.0 Rem. 0.05 Below 0.05 Below - 1.8-2.5 - - - D5301 C6870 H3300 C6870 B111 C68700
2 76.0-79.0 Rem. 0.05 Below 0.05 Below - 1.8-2.5 - - Si 0.2-0.5 C6871 C6871 C68700
3 76.0-79.0 Rem. 0.05 Below 0.05 Below - 1.8-2.5 0.2-1.0 - - C6872 C6872 C6872
Cupronickel 1 Rem. 0.05 Below 0.01 Below 1.0-1.8 - - - 9.0-11.0 0.2-1.0 C 0.05 Below D5301 C7060 H3300 C7060 B466 C70600
3 Rem. 0.05 Below 0.01 Below 0.4-1.0 - - - 29.0-33.0 0.2-1.0 - C7150 C7150 C71500