中国美国日本英国西德国际标准欧洲GBASTMJISBSDIN数字系统(ISO)(EN)H96C21000C2100CZ125CuZn52.0220 H90C22000C2200CZ101CuZn102.0230CuZn10CW501LH85C23000C2300CZ102CuZn152.0240 H80C24000C2400CZ103CuZn202.0250 H70C26000C2600CZ106CuZn302.0265CuZn30CW505LC26100-CZ126-- H68A----- H68C26200C2620-CuZn332.0280 CW506L