C36000 Free Cutting Brass / Free Machining Brass is ideally suited for high speed machining operations with its superior machinability, thread rolling and knurling characteristics. Its machinability rating of 100 is standard against which all other copper alloys are rated. It is easily soldered or brazed and has good resistance to corrosion.
End Product | Specification |
---|---|
Bar | AMS 4610, ASTM B16, SAE J461, J463 |
Rod | AMS 4610, ASTM B16, SAE J461, J463 |
Shapes | ASTM B16, SAE J461, J463 |
Valves | MILITARY MIL-V-18436 |
Wire | ASTM B16 |
Chemical Composition | ||||
---|---|---|---|---|
CU | Fe | Pb | Zn | |
Min./Max. | 60.0 - 63.0 | 0.35 | 2.5 - 3.0 | Rem. |
Nominal | 61.5000 | - | 2.8000 | 35.4000 |
Temper | ||||
---|---|---|---|---|
Product Type | Temper Type | |||
Bar | AMS 4610, ASTM B16, SAE J461, J463 | |||
Rod | AMS 4610, ASTM B16, SAE J461, J463 | |||
Shapes | ASTM B16, SAE J461, J463 | |||
Valves | MILITARY MIL-V-18436 | |||
Wire | ASTM B16 |
Temper | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Temper | Sect. Size | Cold Work | Type Min | Temp | Tensile Strength | YS 0.05% UL |
YS 0.02% Offset |
YS 0.005% Offset |
Elong. | RH B |
RH C |
RH F |
RH 30T |
VH 500 |
BH 500 |
BH 3000 |
Shear Strgth |
Fatigue Strgth |
Izod Impact Strgth |
- | in. | % | - | F | ksi | ksi | ksi | ksi | % | B | C | F | 30T | 500 | 500 | 3000 | ksi | ksi | ft-lb |
- | mm. | - | - | C | MPa | MPa | MPa | MPa | - | - | - | - | - | - | - | - | MPa | MPa | J |
BAR | |||||||||||||||||||
H02 | <0.5 | 68 | 50 | 25 | - | - | - | - | - | - | - | - | - | - | - | - | |||
H02 | <12.7 | 0 | SMIN | 20 | 345 | 170 | - | - | 10 | - | - | - | - | - | - | - | - | - | 0 |
O60 | 1.5 | 68 | 40 | 15 | - | - | - | - | - | - | - | - | - | - | - | - | |||
O60 | 38.1 | 0 | SMIN | 20 | 275 | 105 | - | - | 25 | - | - | - | - | - | - | - | - | - | 0 |
H02 | 1.5 | 68 | - | - | - | - | - | - | - | - | - | - | - | - | - | ||||
H02 | 38.1 | 0 | TYP | 20 | - | - | - | - | 60 | - | - | - | - | - | - | - | - | 0 | |
H02 | <0.5 | 68 | - | - | - | - | - | - | - | - | - | - | - | - | - | ||||
H02 | <12.7 | 0 | TYP | 20 | - | - | - | - | 65 | - | - | - | - | - | - | - | - | 0 | |
O60 | <1 | 68 | 44 | 18 | - | - | - | - | - | - | - | - | - | - | - | - | |||
O60 | <25.4 | 0 | SMIN | 20 | 305 | 125 | - | - | 20 | - | - | - | - | - | - | - | - | - | |
H02 | 3 | 68 | 40 | 15 | - | - | - | - | - | - | - | - | - | - | - | - | |||
H02 | 76.2 | 0 | SMIN | 20 | 275 | 105 | - | - | 20 | - | - | - | - | - | - | - | - | - | 0 |
H02 | 1.5 | 68 | 45 | 17 | - | - | - | - | - | - | - | - | - | - | - | - | |||
H02 | 38.1 | 0 | SMIN | 20 | 310 | 115 | - | - | 15 | - | - | - | - | - | - | - | - | - | 0 |
O60 | 1.5 | 68 | - | - | - | - | - | - | - | - | - | - | - | - | - | ||||
O60 | 38.1 | 0 | TYP | 20 | - | - | - | - | 22 | - | - | - | - | - | - | - | - | 0 | |
FLAT PRODUCTS | |||||||||||||||||||
H02 | 0.19 | 68 | 56 | 45 | - | - | - | - | - | - | - | - | - | - | 33 | - | |||
H02 | 4.76 | 11 | TYP | 20 | 386 | 310 | - | - | 20 | 62 | - | - | - | - | - | - | 228 | - | 0 |
ROD | |||||||||||||||||||
H04 | 0.5 | 68 | 70 | 35 | - | - | - | - | - | - | - | - | - | - | - | - | |||
H04 | 12.7 | 0 | SMIN | 20 | 480 | 240 | - | - | 4 | - | - | - | - | - | - | - | - | - | 0 |
H02 | 0.75 | 68 | 55 | 25 | - | - | - | - | - | - | - | - | - | - | 34 | - | |||
H02 | 19.1 | 0 | SMIN | 20 | 380 | 170 | - | - | 10 | - | - | - | - | - | - | - | 234 | - | 0 |
H02 | 3 | 68 | - | - | - | - | - | - | - | - | - | - | - | - | - | ||||
H02 | 76.2 | 0 | TYP | 20 | - | - | - | - | 55 | - | - | - | - | - | - | - | - | 0 | |
O60 | <1 | 68 | - | - | - | - | - | - | - | - | - | - | - | 30 | - | ||||
O60 | <25.4 | 0 | TYP | 20 | - | - | - | - | 28 | - | - | - | - | - | - | 207 | - | 0 | |
H04 | 0.25 | 68 | 80 | 45 | - | - | - | - | - | - | - | - | - | - | - | - | |||
H04 | 6.35 | 0 | SMIN | 20 | 550 | 310 | - | - | - | - | - | - | - | - | - | - | - | - | 0 |
O60 | 2.5 | 68 | 6 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | |||
O60 | 63.5 | 0 | SMIN | 20 | 40 | 15 | - | - | 25 | - | - | - | - | - | - | - | - | - | 0 |
H02 | 0.5 | 68 | 57 | 25 | - | - | - | - | - | - | - | - | - | - | - | - | |||
H02 | 12.7 | 0 | TYP | 20 | 395 | 170 | - | - | 7 | - | - | - | - | - | - | - | - | - | 0 |
H02 | 4.5 | 68 | 40 | 15 | - | - | - | - | - | - | - | - | - | - | - | - | |||
H02 | 114.3 | 0 | SMIN | 20 | 275 | 105 | - | - | 20 | 25 | - | - | - | - | - | - | - | - | 0 |
H04 | 0.25 | 68 | - | - | - | - | - | - | - | - | - | - | - | 38 | - | ||||
H04 | 6.35 | 0 | TYP | 20 | - | - | - | - | 80 | - | - | - | - | - | - | 262 | - | 0 | |
H02 | 1.5 | 68 | 50 | 20 | - | - | - | - | - | - | - | - | - | - | - | - | |||
H02 | 38.1 | 0 | SMIN | 20 | 345 | 140 | - | - | 15 | - | - | - | - | - | - | - | - | - | 0 |
O60 | <1 | 68 | 48 | 18 | - | - | - | - | - | - | - | - | - | - | - | - | |||
O60 | <25.4 | 0 | SMIN | 20 | 330 | 124 | - | - | 15 | - | - | - | - | - | - | - | - | - | 0 |
H02 | 1.5 | 68 | - | - | - | - | - | - | - | - | - | - | - | - | - | ||||
H02 | 38.1 | 0 | TYP | 20 | - | - | - | - | 65 | - | - | - | - | - | - | - | - | 0 | |
H04 | 0.5 | 68 | - | - | - | - | - | - | - | - | - | - | - | - | - | ||||
H04 | 12.7 | 0 | TYP | 20 | - | - | - | - | 78 | - | - | - | - | - | - | - | - | 0 | |
H02 | 0.75 | 68 | - | - | - | - | - | - | - | - | - | - | - | - | - | ||||
H02 | 19.1 | 0 | MIN | 20 | - | - | - | - | 70 | - | - | - | - | - | - | - | - | 0 | |
H04 | 0.63 | 68 | 65 | 30 | - | - | - | - | - | - | - | - | - | - | - | - | |||
H04 | 15.9 | 0 | SMIN | 20 | 450 | 205 | - | - | 6 | - | - | - | - | - | - | - | - | - | 0 |
H02 | 3 | 68 | 45 | 15 | - | - | - | - | - | - | - | - | - | - | - | - | |||
H02 | 76.2 | 0 | SMIN | 20 | 310 | 105 | - | - | 20 | - | - | - | - | - | - | - | - | - | 0 |
O60 | 1.5 | 68 | 44 | 3 | - | - | - | - | - | - | - | - | - | - | - | - | |||
O60 | 38.1 | 0 | SMIN | 20 | 305 | 18 | - | - | 20 | - | - | - | - | - | - | - | - | - | 0 |
H02 | 0.5 | 68 | - | - | - | - | - | - | - | - | - | - | - | 32 | 20 | ||||
H02 | 12.7 | 0 | TYP | 20 | - | - | - | - | 65 | - | - | - | - | - | - | 221 | 138 | 0 | |
SHAPES | |||||||||||||||||||
H01 | 0.5 | 68 | 56 | 45 | - | - | - | - | - | - | - | - | - | - | 33 | - | |||
H01 | 12.7 | 11 | TYP | 20 | 386 | 310 | - | - | 20 | 62 | - | - | - | - | - | - | 228 | - | 0 |
M30 | 0.5 | 68 | 49 | 18 | - | - | - | - | - | - | - | - | - | - | 30 | - | |||
M30 | 12.7 | 0 | TYP | 20 | 338 | 124 | - | - | 50 | - | - | 68 | - | - | - | - | 207 | - | 0 |
Physical Properties | ||||
---|---|---|---|---|
Product Property | US Customary | Metric | ||
Coefficient of Thermal Expansion | 11.4 ÌÎ?̴ÌÁ10-6 per oF (68-572 F) | 20.5 ÌÎ?̴ÌÁ 10 6? per ÌÎ?̴åÁC (20-300 C) | ||
Density | 0.307 lb/in3 @ 68 F | 8.5 gm/cm3 @ 20 C | ||
Electrical Conductivity | 26 %IACS @ 68 F | 0.152 MegaSiemens/cm @ 20 C | ||
Electrical Resistivity | 39.9 ohms-cmil/ft @ 68 F | 6.63 microhm-cm @ 20 C | ||
Melting Point Liquid US | 1650 F | 899 C | ||
Melting Point Solid US | 1630 F | 888 C | ||
Modulas of Elasticity in Tension | 14000 ksi | 96500 MPa | ||
Modulas of Rigidity | 5300 ksi | 36500 MPa | ||
Specific Gravity | 8.5 | 8.5 | ||
Thermal Conductivity | 67.0 Btu ÌÎ?̴ÌÁ ft/(hr ÌÎ?̴ÌÁ ft2 ÌÎ?̴ÌÁÌÎ?̴åÁF) @ 68 F | 116.0 W/m ÌÎ?̴ÌÁ ÌÎ?̴åÁK at 20 C |
Fabrication | ||||
---|---|---|---|---|
Joining Technique | Suitability | |||
Brazing | Good | |||
Butt Weld | Fair | |||
Capacity for Being Cold Worked | Fair | |||
Capacity for Being Hot Formed | Fair | |||
Coated Metal Arc Welding | Not Recommended | |||
Gas Sheilded Arc Welding | Not Recommended | |||
Machinability rating | 100 | |||
Oxyacetylene Welding | Not Recommended | |||
Seam Weld | Not Recommended | |||
Soldering | Excellent | |||
Spot Weld | Not Recommended |