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C17200 Copper (CDA 172)
C17200 Copper (CDA 172)
C17200 Copper (CDA 172)

C17200 Copper (CDA 172)

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$ 63.06

$ 48.51

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Product Details

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Standards: ASTM B196, AMS 4533, SAE J461, RWMA CLASS IV, CuBe2 2.1247 

C17200 is also known as Alloy 25 and is the most commonly utilized beryllium copper alloy 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. C17200 copper's 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 C17200 Beryllium Copper:

ELECTRICAL:
Electrical Switch / Relay BladesFuse ClipsSwitch Parts
Relay PartsConnectorsSpring Connectors
Current CarryingContact BridgesBelleville Washers
Navigational InstrumentsClips
FASTENERS:
WashersFastenersLock Washers
Retaining RingsRoll PinsScrews
Bolts
INDUSTRIAL:
PumpsSpringsElectrochemical
ShaftsNon Sparking Safety ToolsFlexible Metal Hose
Housings for InstrumentsBearingsBushings
Valve SeatsValve StemsDiaphragms
SpringsWelding EquipmentRolling Mill Parts
Spline ShaftsPump PartsValves
Bourdon TubesWear Plates on Heavy EquipmentBellows
ORDINANCE:
Firing Pins
OTHER:
Tools

Sizes Available From NBM

SOLID BAR: 1/4" . 6" diameter

RECTANGLES: 3/8" x 1/2" . 1" x 3" thickness x width

SQUARES: 3/8" . 3" square

PLATES: 2" . 5" thickness

DISCS & RINGS: orged to size

HONED TUBES: up to 4" OD

Specifications

End Product Specification
BarAMS 4650, 4651, 4533, ASTM B194, B196, MILITARY MIL-C-21657, SAE J463, J461
ExtrusionsASTM B570
ForgingsAMS 4650, ASTM B570
PlateASTM B194
RodAMS 4650, 4534, 4533, 4651, ASTM B196, MILITARY MIL-C-21657, SAE J463, J461
Rod, ForgingAMS 4650
SheetASTM B194
StripASTM B194, SAE J463, J461
Tube, SeamlessAMS 4535, ASTM B643
WireAMS 4725, ASTM B197, SAE J463, J461



AlBeCoCuSi
Min/Max0.21.8 - 2.00.20 minRem0.2
Nominals-1.9000-98.1000-
Product Type Temper Type
BarAMS 4650, 4651, 4533, ASTM B194, B196, MILITARY MIL-C-21657, SAE J463, J461
ExtrusionsASTM B570
ForgingsAMS 4650, ASTM B570
PlateASTM B194
RodAMS 4650, 4534, 4533, 4651, ASTM B196, MILITARY MIL-C-21657, SAE J463, J461
Rod, ForgingAMS 4650
SheetASTM B194
StripASTM B194, SAE J463, J461
Tube, SeamlessAMS 4535, ASTM B643
WireAMS 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.%-Fksiksiksiksi%BCF30T5005003000ksiksift-lb
-mm.--CMPaMPaMPaMPa--------MPaMPaJ
FLAT PRODUCTS
TM05068149-125-----------
TM0500MIN201030-860-9-31-------0
TM080.1968182-160-----------
TM084.780TYP201255-1103-6---------0
TD020.196892-82-----------
TD024.780TYP20634-565-1592--77-----0
TF000.1968175-155----------36
TF004.780TYP201207-1069-6-38------2480
TM060.1968168-148-----------
TM064.750TYP201158-1020-7-37-------0
TH040.1968200-180----------45
TH044.780TYP201379-1241-2-42------3070
TM020.1968128-105-----------
TM024.780TYP20883-724-15-27-------0
TM000.1968105-82-----------
TM004.780TYP20724-565-20-27-------0
TB0006870-32-----------
TB0000TYP20483-221-4560--58-----0
TH020.1968195-175----------44
TH024.780TYP201344-1207-3-41------3030
TM040.1968142-122-----------
TM044.780TYP20979-841-12-32-------0
TD040.1968110-104-----------
TD044.780TYP20756-717-599-81------0
TM010.1968115-89-----------
TM014.780TYP20793-614-17-23-------0
TH010.1968185-165----------40
TH014.780TYP201276-1138-4-40------2760
TD010.196880-70-----------
TD014.780TYP20552-483-2580--70-----0
ROD
TB0006872-20-----------
TB0000TYP20496-138-2065--------0
TD04368103-75-----------
TD0476.20TYP20710-517-894--------0
TF00368182-130-----------
TF0076.20TYP201255-896-3-39-------0
TH040.3868405-315-----------
TH049.530TYP202792-2172-4-83-------0
TD040.3868110-75-----------
TD049.530TYP20758-517-895--------0
TD04168108-75-----------
TD0425.40TYP20745-517-895--------0
TF00068182-145-----------
TF0000TYP201255-1000-4-39-------0
TH04368195-145-----------
TH0476.20TYP201344-1000-4-41-------0
WIRE
TF00068178-160-----------
TF0000TYP201227-1103-3---------0
TD04068152-125-----------
TD0400TYP201048-862-1---------0
TD02068122-100-----------
TD0200TYP20841-689-5---------0
TH03068210-190-----------
TH0300TYP201448-1310-1---------0
TH04068212-195-----------
TH0400TYP201462-1344-1---------0
TH02068200-185-----------
TH0200TYP201379-1276-1---------0
TB0006868-28-----------
TB0000TYP20469-193-35---------0
TD03068142-120-----------
TD0300TYP20979-827-2---------0
TH01068190-175-----------
TH0100TYP201310-1207-2---------0
TD01068102-82-----------
TD0100TYP20703-565-10---------0
Product Property US Customary Metric
Coefficient of Thermal Expansion9.9 . 10-6 per å¡F (68-572 F)17.8 . 10 6? per å¡C (20-300 C)
Density0.298 lb/in3 @ 68 F8.25 gm/cm3 @ 20 C
Electrical Conductivity22 %IACS @ 68 F0.129 MegaSiemens/cm @ 20 C
Electrical Resistivity46.2 ohms-cmil/ft @ 68 F7.68 microhm-cm @ 20 C
Melting Point Liquid US1800 F982 C
Melting Point Solid US1590 F866 C
Modulas of Elasticity in Tension18500 ksi128000 MPa
Modulas of Rigidity7300 ksi50330 MPa
Specific Gravity8.268.26
Specific Heat Capacity0.1 Btu/lb/å¡F @ 68 F419.0 J/kg . å¡K at 293 K
Thermal Conductivity62.0 Btu . ft/(hr . ft2 . å¡F) @ 68 F107.3 W/m . å¡K at 20 C
Joining Technique Suitability
BrazingGood
Butt WeldFair
Capacity for Being Cold WorkedGood
Capacity for Being Hot FormedExcellent
Coated Metal Arc WeldingGood
Forgeability Rating40
Gas Sheilded Arc WeldingGood
Machinability rating20
Oxyacetylene WeldingNot Recommended
Seam WeldFair
SolderingGood
Spot WeldGood
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