- Bronze Family: Leaded Commercial Bronze
- Tempers: H02 HALF HARD, H04 HARD
- Solids: 3/8" to 2" OD
- Hex: 3/8" to 2" OD
- Rectangles: Consult Mill
- Standard Lengths: 144"
- » Download C31400 Spec Sheet (.pdf)
Typical Uses
- Builders Hardware Door Knobs
- Electrical Electrical Plug Type Connectors, Connectors for Wire and Cable
- Fasteners Nuts, Screws
- Industrial Pickling Crates, Pickling Fixtures, Pickling Racks, Screw Machine Parts
Similar or Equivalent Specification
| CDA |
ASTM |
ASARCON |
SAE |
AMS |
Federal |
Ingot# |
Military |
Other Desc |
| C31400 |
ASTM B140 |
|
|
|
|
|
MIL-C-22229 COMP 8 |
LEADED COMMERCIAL BRONZE |
Chemical Composition (according to ASTM B140-07)
| Cu% |
Sn% |
Pb% |
Zn% |
Fe% |
Ni% |
Sb% |
P% |
S% |
Al% |
Mn% |
Si% |
|
Note: Single values represent maximums
|
| 87.50-90.5 |
|
1.30-2.50 |
REMAINDER |
0.10 |
0.70 |
|
N/A |
|
|
|
|
Mechanical Properties (according to ASTM B140-07)
H02 HALF HARD TEMPER
SIZE RANGE: 1/2" DIAMETER AND UNDER
| Tensile Strength (min) |
Yield Strength (at .5% extention under load min) |
Elongation (in 2in. or 50mm min, %) |
Brinell Hardness (min) |
Remarks |
| Ksi |
MPa |
Ksi |
MPa |
|
|
|
| 50 |
345 |
30 |
205 |
7 |
N/A |
|
SIZE RANGE: OVER 1/2" DIAMETER TO 1" INCLUSIVE
| Tensile Strength (min) |
Yield Strength (at .5% extention under load min) |
Elongation (in 2in. or 50mm min, %) |
Brinell Hardness (min) |
Remarks |
| Ksi |
MPa |
Ksi |
MPa |
|
|
|
| 45 |
310 |
27 |
185 |
10 |
N/A |
|
SIZE RANGE: 0VER 1"
| Tensile Strength (min) |
Yield Strength (at .5% extention under load min) |
Elongation (in 2in. or 50mm min, %) |
Brinell Hardness (min) |
Remarks |
| Ksi |
MPa |
Ksi |
MPa |
|
|
|
| 40 |
275 |
25 |
170 |
12 |
N/A |
|
SIZE RANGE: 2" DIAMETER AND UNDER
| Tensile Strength (min) |
Yield Strength (at .5% extention under load min) |
Elongation (in 2in. or 50mm min, %) |
Brinell Hardness (min) |
Remarks |
| Ksi |
MPa |
Ksi |
MPa |
|
|
|
| 53 |
365 |
40 |
275 |
6 |
N/A |
|
Machinability
| Alloy |
Rating |
Density |
| C31400 |
80 |
0.319 |
Physical Properties (provided by CDA)
| |
US Customary |
Metric |
| Melting Point - Liquidus |
1900 F |
1038 C |
| Melting Point - Solidus |
1850 F |
1010 C |
| Density |
0.319 lb/in3 at 68 F |
8.83 gm/cm3 @ 20 C |
| Specific Gravity |
8.830 |
8.83 |
| Electrical Resistivity |
24.70 ohms-cmil/ft @ 68 F |
4.11 microhm-cm @ 20 C |
| Electrical Conductivity |
420 %IACS @ 68 F |
0.246 MegaSiemens/cm @ 20 C |
| Thermal Conductivity |
104 Btu · ft/(hr · ft2·°F)at 68F |
180.0 W/m · °K at 20 C |
| Coefficient of Thermal Expansion |
10.20 ·10-6 per oF (68-392 F) |
18.4 ·10-6 per °C (20-200 C) |
| Specific Heat Capacity |
0.090 Btu/lb/°F at 68 F |
377.1 J/kg · °K at 293 K |
| Modulas of Elasticity in Tension |
17000 ksi |
117000 MPa |
| Modulas of Rigidity |
6400 ksi |
41300 MPa |
Fabrication Properties (provided by CDA)
| Joining Technique |
Suitability |
| Soldering |
Excellent |
| Brazing |
Good |
| Oxyacetylene Welding |
Not Recommended |
| Gas Shielded Arc Welding |
Not Recommended |
| Coated Metal Arc Welding |
Not Recommended |
| Spot Weld |
Not Recommended |
| Seam Weld |
Not Recommended |
| Butt Weld |
Fair |
| Capacity for Being Cold Worked |
Good |
| Capacity for Being Hot Formed |
Poor |
Thermal Properties (provided by CDA)
| Treatment |
Temp./Time - US |
Temp./Time - SI |
| Stress Temperature |
|
|
| Solution Minimum |
|
|
| Solution Maximum |
|
|
| Solution Time |
|
| Solution Medium |
None |
| Precipitation Value |
|
|
| Precipitation Time |
|
| Precipitation Medium |
None |
| Annealing Minimum |
800 |
427 |
| Annealing Maximum |
1200 |
649 |
| Annealing Time |
|
| Hot Works Minimum |
|
|
| Hot Works Maximum |
|
|
