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Superceded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Superceded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
838 B145-838 838 120 QQ-C-390
(B4)
B-16540
Grc
SEMI-RED
BRASS
844 B145-844 123 QQ-C-390
(B2)
848 B145-848 130 QQ-C-390
(B1)
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
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)
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
935 B144-935 935 66 326 QQ-C-390
(E9)
937 B144-937 937 64 305 QQ-C-390
(E10)
938 B144-938 938 67 319 QQ-C-390
(E6)
B-16261
GrIV
943 B144-943 943 322 QQ-C-390
(E1)
B-16261
GrV
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
954 B148-954 954 415C QQ-C-390
(G5)
C-15345
Gr13
B-16033
Gr3
955 B148-955 955 415D QQ-C-390
(G3)
C-22229
Gr8
B-16033
Gr4
958 415D QQ-C-390
(G8)
B-21230
Gr1B-23921
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.
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.
HIGH LEADED TIN BRONZE 932 83 7 7 3
934 84 8 8 .7
Max.
935 85 5 9 1 .5
Max.
937 4842A 80 10 10 .7
Max.
938 78 7 15 .75
Max.
943 4840A 70 5 25 .7
Max.
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
TENSILE STRENGTH
Min.

(ksi)

Typ

(ksi)

YIELD

STRENGTH

Min.

(ksi)

Typ

(ksi)

ELONGATION
Min. (%) Typ (%)
BRINELL HARDNESS 10MM-500KG TYPICAL WEIGHT

Lbs. Per Cu. In.

MACHIN-

ABILITY Free Cut YB=100

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
SEMI RED
BRASS
844 Hardware and Ornamental Castings
848 Plumbing Fittings
and Hardware
MANGANESE
BRONZE
862 Marine Castings, Bushings, and Gears
863 Heavy-Duty Gears,
Bushings, and Slippers
865 Pipe Plugs, Arms,
and Gears
TIN BRONZE 903 Bearings, Bushings, Rings, and Gears
905 Bearings, Bushings,
Rings, and Valves
907 Gears, Bearings,
and Bushings
LEADED
BRONZE
922 Medium-Pressure Hydraulic and Steam
to 550° F. Marine and Ornamental Castings, Valves, and Pressure
Parts.
923 High-Pressure Steam
Castings
926 Bearings, Bushings,
Rings, and Gears
927 Bearings, Bushings,
and Fittings
HIGH LEADED
TIN BRONZE
932 General-Utility Bearings and Bushings
934 Bearings and Bushings
935 Small Bearings
and Bushings
937 High-Speed Heavy-Pressure
Bearings and Bushings; Acid-Resistant to Sulphite Fluids
938 General Service
Bearings; Acid-Resisting
943 High-Speed Bearings
with Light Loads
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
954 Spur Gears, Nuts,
Pumps, and Landing Gear Parts
955 Tank Gun Recoil
Mechanisms and Landing Gear Parts
958 Propeller Hubs,
Blades, and Other Parts
SILICON BRONZE 878 Brush Holders, Brackets, Clamps,
and Lever Arms