ELECTRONIC SPACE PRODUCTS INTERNATIONAL

1050 Benson Way, Ashland, OR 97520

Toll Free (800) 638-2581 * Fax (541) 488-8313

E-Mail: sales@espimetals.com

CHEMICAL COMPOSITION OF BRASSES

Brasses

                                                  Copper

Trade Name                             Alloy #                    Cu                   Pb               Fe                Zn               Other

Gilding, 95%                             C21000             94.0 - 96.0             .03              .05            balance           —

Commercial Bronze, 90%         C22000             89.0 - 91.0             .05              .05            balance           —

Red Brass, 85%                         C23000             84.0 - 86.0             .05              .05            balance           —

Cartridge Brass, 70%                C26000             68.5 - 71.5             .07              .05            balance           —

                                                  C27200             62.0 - 65.0             .07              .07            balance           —

Muntz Metal, 60%                    C28000             59.0 - 63.0             .30              .07            balance           —

Leaded Brasses

                                            Copper

Trade Name                       Alloy #                    Cu                 Pb             Fe            Sn             Zn           Other

Low-Leaded Brass              C33000             65.0 - 68.0        .25 - .7         .07            —            balance       —

                                            C34500             62.0 - 65.0       1.5 - 2.5         .15            —            balance       —

High-Leaded Brass, 62%    C35300             60.0 - 63.0       1.5 - 2.5         .15            —            balance       —

Free Cutting Brass              C36000             60.0 - 63.0       2.5 - 3.7         .35            —            balance       —

Leaded Muntz Metal,

Uninhibited                         C36500             58.0 - 61.0        .25 - .7         .15           .25         balance       —

Architectural Bronze,

Low-Leaded                        C38000             55.0 - 60.0       1.5 - 2.5         .35           .30         balance       Al=.50

Tin Brasses

                                     Copper

Trade Name                Alloy #                     Cu                Pb         Fe          Sn             Zn           P          Other

Naval Brass,

Non-Leaded                 C46400               59.0 - 62.0          .20        .10      .5 - 1.0      balance      —            —

Naval Brass,

High-Leaded                C48500               59.0 - 62.0     1.3 - 2.2    .10      .5 - 1.0      balance      —            —