Brass & Bronze Casting
Gun Metal Bronze Casting Pipe Fittings offers rough-cast or machine-finished castings in brass, bronze, aluminum, stainless steel, and nickel-boron alloys in commercial, federal, and military grades.
Standard Brass & Bronze Casting Alloys
Brass & Bronze Casting Alloy Specifications | ||||||||
Family | CDA | ASTM | SAE | SAE Superceded |
ALLOY Identification |
FEDERAL | MILITARY Current |
MILITARY Superceded |
RED BRASS | 833 | 131 | ||||||
836 | B145-836 | 836 | 40 | 115 | QQ-C-390 (B5) |
C-22229 Gr2 |
B-16444 GrA |
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838 | B145-838 | 838 | 120 | QQ-C-390 (B4) |
B-16540 Grc |
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SEMI-RED BRASS |
844 | B145-844 | 123 | QQ-C-390 (B2) |
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848 | B145-848 | 130 | QQ-C-390 (B1) |
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MANGANESE BRONZE |
862 | B147-862 | 862 | 430A | 423 | QQ-C-390 (C4) | C-22229 Gr9 | B-16522 Gr2 |
863 | B147-863 | 863 | 430B | 424 | QQ-C-390 (C7) |
C-22229 Gr8 |
B-16522 Gr1 |
|
865 | B147-865 | 865 | 43 | 421 | QQ-C-390 (C3) |
C-22229 Gr7 |
B-16443 Gr1 |
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TIN BRONZE | 903 | B143-903 | 903 | 620 | 225 | QQ-C-390 (D5) | C-22229 Gr1 | M-16576 GrA |
905 | B143-905 | 905 | 62 | 210 | QQ-C-390 (D6) |
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907 | 907 | 65 | 205 | |||||
LEADED TIN BRONZE |
922 | B143-922 | 922 | 622 | 245 | QQ-C-390 (D4) | B-16541 | |
923 | B143-923 | 923 | 621 | 230 | QQ-C-390 (D3) |
C-15345 Gr10 |
B-16540 GrA or B |
|
926 | 215 | |||||||
927 | 927 | 63 | 206 | |||||
HIGH LEADED TIN BRONZE |
932 | B144-932 | 932 | 660 | 315 | QQ-C-390 (E7) | C-15345 Gr12 | B-16261 GrVI |
934 | 310 | QQ-C-390 (E8) |
C-22229 Gr3 |
B-16261 GrII |
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935 | B144-935 | 935 | 66 | 326 | QQ-C-390 (E9) |
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937 | B144-937 | 937 | 64 | 305 | QQ-C-390 (E10) |
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938 | B144-938 | 938 | 67 | 319 | QQ-C-390 (E6) |
B-16261 GrIV |
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943 | B144-943 | 943 | 322 | QQ-C-390 (E1) |
B-16261 GrV |
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ALUMINUM BRONZE |
952 | B148-952 | 952 | 68A | 415A | QQ-C-390 (G6) | C-22229 Gr5 | B-16033 Gr1 |
953 | B148-953 | 953 | 68B | 415B | QQ-C-390 (G7) |
B-16033 Gr2 |
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954 | B148-954 | 954 | 415C | QQ-C-390 (G5) |
C-15345 Gr13 |
B-16033 Gr3 |
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955 | B148-955 | 955 | 415D | QQ-C-390 (G3) |
C-22229 Gr8 |
B-16033 Gr4 |
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958 | 415D | QQ-C-390 (G8) |
B-21230 Gr1B-23921 |
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SILICON BRONZE | 878 | B30 | 878 | SIBRZ |
Brass & Bronze Casting Alloy Nominal Chemical Compositions | ||||||||||
Family | CDA | AMS | CU% | SN% | PB% | ZN% | NI% | FE% | AL% | OTHERS% |
RED BRASS | 833 | 93 | 1-1/2 | 1-1/2 | 4 | |||||
836 | 4855B | 85 | 5 | 5 | 5 | |||||
838 | 83 | 4 | 6 | 7 | ||||||
SEMI-RED BRASS |
844 | 81 | 3 | 7 | 9 | |||||
848 | 76 | 3 | 6 | 15 | ||||||
MANGANESE BRONZE | 862 | 64 | Rem.26 | 3 | 4 | MN3 | ||||
863 | 4862B | 63 | Rem.25 | 3 | 6 | MN3 | ||||
865 | 4860A | 58 | .5 | 39.5 | 1 | 1 | MN-.25 | |||
TIN BRONZE | 903 | 88 | 8 | 4 | ||||||
905 | 4845D | 88 | 10 | .3 Max. |
2 | |||||
907 | 89 | 11 | .5 Max. |
.5 Max. |
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LEADED BRONZE | 922 | 88 | 6 | 1.5 | 4.5 | |||||
923 | 87 | 8 | 1 Max. |
4 | ||||||
926 | 4846A | 87 | 10 | 1 | 2 | |||||
927 | 88 | 10 | 2 | .7 Max. |
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HIGH LEADED TIN BRONZE | 932 | 83 | 7 | 7 | 3 | |||||
934 | 84 | 8 | 8 | .7 Max. |
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935 | 85 | 5 | 9 | 1 | .5 Max. |
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937 | 4842A | 80 | 10 | 10 | .7 Max. |
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938 | 78 | 7 | 15 | .75 Max. |
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943 | 4840A | 70 | 5 | 25 | .7 Max. |
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ALUMINUM BRONZE | 952 | 88 | 3 | 9 | ||||||
953 | 89 | 1 | 10 | |||||||
954 | 4870B 4872B |
85 | 4 | 11 | ||||||
955 | 81 | 4 | 4 | 11 | ||||||
958 | 81 | 5 | 4 | 9 | MN1 | |||||
SILICON BRONZE | 878 | 80 | .25 | .15 | 16 Max. | .20 | .15 | .15 |
Brass & Bronze Casting Alloy Mechanical Properties | ||||||||||||||||||||||
Family | CDA |
|
|
|
BRINELL HARDNESS 10MM-500KG TYPICAL | WEIGHT
Lbs. Per Cu. In. |
MACHIN-
ABILITY Free Cut YB=100 |
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RED BRASS | 833 | 32 | 10 | 35 | 35 | .318 | 35 | |||||||||||||||
836 | 30 | 37 | 14 | 17 | 20 | 30 | 50-65 | .318 | 84 | |||||||||||||
838 | 29 | 35 | 12 | 16 | 15 | 25 | 50-60 | .312 | 90 | |||||||||||||
SEMI RED BRASS |
844 | 29 | 34 | 13 | 15 | 18 | 26 | 50-60 | .314 | 90 | ||||||||||||
848 | 25 | 36 | 12 | 14 | 15 | 30 | 50-60 | .310 | 90 | |||||||||||||
MANGANESE BRONZE |
862 | 90 | 95 | 45 | 48 | 18 | 20 | 170 | .288 | 30 | ||||||||||||
863 | 110 | 119 | 60 | 83 | 12 | 18 | 225 | .283 | 8 | |||||||||||||
865 | 65 | 71 | 25 | 28 | 20 | 30 | 130 | .301 | 26 | |||||||||||||
TIN BRONZE | 903 | 40 | 45 | 18 | 21 | 20 | 30 | 60-75 | .318 | 30 | ||||||||||||
905 | 40 | 45 | 18 | 22 | 20 | 25 | 75 | .315 | 30 | |||||||||||||
907 | 35 | 44 | 18 | 22 | 10 | 20 | 80 | .317 | 20 | |||||||||||||
LEADED BRONZE |
922 | 34 | 40 | 16 | 20 | 22 | 30 | 60-72 | .312 | 42 | ||||||||||||
923 | 36 | 40 | 16 | 20 | 18 | 25 | 60-75 | .317 | 42 | |||||||||||||
926 | 40 | 44 | 18 | 20 | 20 | 30 | 65-80 | .315 | 40 | |||||||||||||
927 | 35 | 42 | 21 | 10 | 20 | 77 | .317 | 45 | ||||||||||||||
HIGH LEADED TIN BRONZE |
932 | 30 | 35 | 14 | 18 | 12 | 20 | 60-70 | .322 | 70 | ||||||||||||
934 | 25 | 32 | 16 | 8 | 20 | 55-65 | .320 | 70 | ||||||||||||||
935 | 25 | 32 | 12 | 16 | 8 | 20 | 55-65 | .320 | 70 | |||||||||||||
937 | 25 | 35 | 12 | 18 | 8 | 20 | 55-70 | .320 | 80 | |||||||||||||
938 | 25 | 30 | 14 | 16 | 10 | 18 | 50-60 | .334 | 80 | |||||||||||||
943 | 21 | 27 | 13 | 7 | 10 | 42-55 | .336 | 80 | ||||||||||||||
ALUMINUM BRONZE |
952 | 65 | 80 | 25 | 27 | 20 | 35 | 110 | .276 | 50 | ||||||||||||
953 | 65 | 75 | 25 | 27 | 20 | 25 | 140 | .272 | 55 | |||||||||||||
954 | 75 | 85 | 30 | 35 | 12 | 18 | 140 | .269 | 60 | |||||||||||||
955 | 90 | 100 | 40 | 44 | 6 | 12 | 180 | .272 | 50 | |||||||||||||
958 | 85 | 95 | 35 | 38 | 18 | 25 | 150 | .276 | 50 | |||||||||||||
SILICON BRONZE | 878 | 80 | 83 | 30 | 37 | 15 | 29 | 115 | .300 | 40 |
Brass & Bronze Casting Alloy Typical Uses | ||
Family | CDA | |
RED BRASS | 833 | Electrical Contact Parts |
836 | Valves, Fittings, Flanges, and Pump Castings |
|
838 | Low-Pressure Valves and Fittings |
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SEMI RED BRASS |
844 | Hardware and Ornamental Castings |
848 | Plumbing Fittings and Hardware |
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MANGANESE BRONZE |
862 | Marine Castings, Bushings, and Gears |
863 | Heavy-Duty Gears, Bushings, and Slippers |
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865 | Pipe Plugs, Arms, and Gears |
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TIN BRONZE | 903 | Bearings, Bushings, Rings, and Gears |
905 | Bearings, Bushings, Rings, and Valves |
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907 | Gears, Bearings, and Bushings |
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LEADED BRONZE |
922 | Medium-Pressure Hydraulic and Steam to 550° F. Marine and Ornamental Castings, Valves, and Pressure Parts. |
923 | High-Pressure Steam Castings |
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926 | Bearings, Bushings, Rings, and Gears |
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927 | Bearings, Bushings, and Fittings |
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HIGH LEADED TIN BRONZE |
932 | General-Utility Bearings and Bushings |
934 | Bearings and Bushings | |
935 | Small Bearings and Bushings |
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937 | High-Speed Heavy-Pressure Bearings and Bushings; Acid-Resistant to Sulphite Fluids |
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938 | General Service Bearings; Acid-Resisting |
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943 | High-Speed Bearings with Light Loads |
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ALUMINUM BRONZE |
952 | Acid-Resisting Pumps, Bearings, Gears, and Valves |
953 | Gears; Cams; Stripper Nuts; Slippers; High-Temperature Applications; and Mining Machine Parts, Nuts, Gears, and Slippers |
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954 | Spur Gears, Nuts, Pumps, and Landing Gear Parts |
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955 | Tank Gun Recoil Mechanisms and Landing Gear Parts |
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958 | Propeller Hubs, Blades, and Other Parts |
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SILICON BRONZE | 878 | Brush Holders, Brackets, Clamps, and Lever Arms |