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AMS 4534 Copper
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AMS 4534 Copper

Most commonly utilized beryllium copper and is notable for exhibiting the highest strength and hardness compared to commercial copper alloys. Its strength and hardness is similar to that of steel. AMS 4534 ultimate tensile and Rockwell hardness properties in a peak aged condition are in the 200 ksi range and RC 45 respectively (electrical conductivity 22% IACS minimum).

Typical Uses for AMS 4534 Beryllium Copper:

ELECTRICAL: Electrical Switch and Relay Blades, Fuse Clips, Switch Parts, Relay Parts, Connectors, Spring Connectors, Current Carrying, Contact Bridges, Belleville Washers, Navigational Instruments, Clips

FASTENERS: Washers, Fasteners, Lock Washers, Retaining Rings, Roll Pins, Screws, Bolts

INDUSTRIAL: Pumps, Springs, Electrochemical, Shafts, Non Sparking Safety Tools, Flexible Metal Hose, Housings for Instruments, Bearings, Bushings, Valve Seats, Valve Stems, Diaphragms, Springs, Welding Equipment, Rolling Mill Parts, Spline Shafts, Pump Parts, Valves, Bourdon Tubes, Wear Plates on Heavy Equipment, Bellows

ORDINANCE: Firing Pins

OTHER: Tools

Specifications

End Product Specification
Bar AMS 4650, 4651, 4533, ASTM B194, B196, MILITARY MIL-C-21657, SAE J463, J461
Extrusions ASTM B570
Forgings AMS 4650, ASTM B570
Plate ASTM B194
Rod AMS 4650, 4534, 4533, 4651, ASTM B196, MILITARY MIL-C-21657, SAE J463, J461
Rod, Forging AMS 4650
Sheet ASTM B194
Strip ASTM B194, SAE J463, J461
Tube, Seamless AMS 4535, ASTM B643
Wire AMS 4725, ASTM B197, SAE J463, J461
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Chemical Composition
Temper
Mechanical Properties
Physical Properties
Fabrication
Al Be Co Cu Si
Min/Max 0.2 1.8 - 2.0 0.20 min Rem 0.2
Nominals - 1.9000 - 98.1000 -
Product Type Temper Type
Bar AMS 4650, 4651, 4533, ASTM B194, B196, MILITARY MIL-C-21657, SAE J463, J461
Extrusions ASTM B570
Forgings AMS 4650, ASTM B570
Plate ASTM B194
Rod AMS 4650, 4534, 4533, 4651, ASTM B196, MILITARY MIL-C-21657, SAE J463, J461
Rod, Forging AMS 4650
Sheet ASTM B194
Strip ASTM B194, SAE J463, J461
Tube, Seamless AMS 4535, ASTM B643
Wire AMS 4725, ASTM B197, SAE J463, J461
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
FLAT PRODUCTS
TM05 0 68 149 - 125 - - - - - - - - - - -
TM05 0 0 MIN 20 1030 - 860 - 9 - 31 - - - - - - - 0
TM08 0.19 68 182 - 160 - - - - - - - - - - -
TM08 4.78 0 TYP 20 1255 - 1103 - 6 - - - - - - - - - 0
TD02 0.19 68 92 - 82 - - - - - - - - - - -
TD02 4.78 0 TYP 20 634 - 565 - 15 92 - - 77 - - - - - 0
TF00 0.19 68 175 - 155 - - - - - - - - - - 36
TF00 4.78 0 TYP 20 1207 - 1069 - 6 - 38 - - - - - - 248 0
TM06 0.19 68 168 - 148 - - - - - - - - - - -
TM06 4.75 0 TYP 20 1158 - 1020 - 7 - 37 - - - - - - - 0
TH04 0.19 68 200 - 180 - - - - - - - - - - 45
TH04 4.78 0 TYP 20 1379 - 1241 - 2 - 42 - - - - - - 307 0
TM02 0.19 68 128 - 105 - - - - - - - - - - -
TM02 4.78 0 TYP 20 883 - 724 - 15 - 27 - - - - - - - 0
TM00 0.19 68 105 - 82 - - - - - - - - - - -
TM00 4.78 0 TYP 20 724 - 565 - 20 - 27 - - - - - - - 0
TB00 0 68 70 - 32 - - - - - - - - - - -
TB00 0 0 TYP 20 483 - 221 - 45 60 - - 58 - - - - - 0
TH02 0.19 68 195 - 175 - - - - - - - - - - 44
TH02 4.78 0 TYP 20 1344 - 1207 - 3 - 41 - - - - - - 303 0
TM04 0.19 68 142 - 122 - - - - - - - - - - -
TM04 4.78 0 TYP 20 979 - 841 - 12 - 32 - - - - - - - 0
TD04 0.19 68 110 - 104 - - - - - - - - - - -
TD04 4.78 0 TYP 20 756 - 717 - 5 99 - 81 - - - - - - 0
TM01 0.19 68 115 - 89 - - - - - - - - - - -
TM01 4.78 0 TYP 20 793 - 614 - 17 - 23 - - - - - - - 0
TH01 0.19 68 185 - 165 - - - - - - - - - - 40
TH01 4.78 0 TYP 20 1276 - 1138 - 4 - 40 - - - - - - 276 0
TD01 0.19 68 80 - 70 - - - - - - - - - - -
TD01 4.78 0 TYP 20 552 - 483 - 25 80 - - 70 - - - - - 0
ROD
TB00 0 68 72 - 20 - - - - - - - - - - -
TB00 0 0 TYP 20 496 - 138 - 20 65 - - - - - - - - 0
TD04 3 68 103 - 75 - - - - - - - - - - -
TD04 76.2 0 TYP 20 710 - 517 - 8 94 - - - - - - - - 0
TF00 3 68 182 - 130 - - - - - - - - - - -
TF00 76.2 0 TYP 20 1255 - 896 - 3 - 39 - - - - - - - 0
TH04 0.38 68 405 - 315 - - - - - - - - - - -
TH04 9.53 0 TYP 20 2792 - 2172 - 4 - 83 - - - - - - - 0
TD04 0.38 68 110 - 75 - - - - - - - - - - -
TD04 9.53 0 TYP 20 758 - 517 - 8 95 - - - - - - - - 0
TD04 1 68 108 - 75 - - - - - - - - - - -
TD04 25.4 0 TYP 20 745 - 517 - 8 95 - - - - - - - - 0
TF00 0 68 182 - 145 - - - - - - - - - - -
TF00 0 0 TYP 20 1255 - 1000 - 4 - 39 - - - - - - - 0
TH04 3 68 195 - 145 - - - - - - - - - - -
TH04 76.2 0 TYP 20 1344 - 1000 - 4 - 41 - - - - - - - 0
WIRE
TF00 0 68 178 - 160 - - - - - - - - - - -
TF00 0 0 TYP 20 1227 - 1103 - 3 - - - - - - - - - 0
TD04 0 68 152 - 125 - - - - - - - - - - -
TD04 0 0 TYP 20 1048 - 862 - 1 - - - - - - - - - 0
TD02 0 68 122 - 100 - - - - - - - - - - -
TD02 0 0 TYP 20 841 - 689 - 5 - - - - - - - - - 0
TH03 0 68 210 - 190 - - - - - - - - - - -
TH03 0 0 TYP 20 1448 - 1310 - 1 - - - - - - - - - 0
TH04 0 68 212 - 195 - - - - - - - - - - -
TH04 0 0 TYP 20 1462 - 1344 - 1 - - - - - - - - - 0
TH02 0 68 200 - 185 - - - - - - - - - - -
TH02 0 0 TYP 20 1379 - 1276 - 1 - - - - - - - - - 0
TB00 0 68 68 - 28 - - - - - - - - - - -
TB00 0 0 TYP 20 469 - 193 - 35 - - - - - - - - - 0
TD03 0 68 142 - 120 - - - - - - - - - - -
TD03 0 0 TYP 20 979 - 827 - 2 - - - - - - - - - 0
TH01 0 68 190 - 175 - - - - - - - - - - -
TH01 0 0 TYP 20 1310 - 1207 - 2 - - - - - - - - - 0
TD01 0 68 102 - 82 - - - - - - - - - - -
TD01 0 0 TYP 20 703 - 565 - 10 - - - - - - - - - 0
Product Property US Customary Metric
Coefficient of Thermal Expansion 9.9 . 10-6 per å¡F (68-572 F) 17.8 . 10 6? per å¡C (20-300 C)
Density 0.298 lb/in3 @ 68 F 8.25 gm/cm3 @ 20 C
Electrical Conductivity 22 %IACS @ 68 F 0.129 MegaSiemens/cm @ 20 C
Electrical Resistivity 46.2 ohms-cmil/ft @ 68 F 7.68 microhm-cm @ 20 C
Melting Point Liquid US 1800 F 982 C
Melting Point Solid US 1590 F 866 C
Modulas of Elasticity in Tension 18500 ksi 128000 MPa
Modulas of Rigidity 7300 ksi 50330 MPa
Specific Gravity 8.26 8.26
Specific Heat Capacity 0.1 Btu/lb/å¡F @ 68 F 419.0 J/kg . å¡K at 293 K
Thermal Conductivity 62.0 Btu . ft/(hr . ft2 . å¡F) @ 68 F 107.3 W/m . å¡K at 20 C
Joining Technique Suitability
Brazing Good
Butt Weld Fair
Capacity for Being Cold Worked Good
Capacity for Being Hot Formed Excellent
Coated Metal Arc Welding Good
Forgeability Rating 40
Gas Sheilded Arc Welding Good
Machinability rating 20
Oxyacetylene Welding Not Recommended
Seam Weld Fair
Soldering Good
Spot Weld Good

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