 Cube2--C17200  Beryllium Copper is the most commonly utilized Copper Beryllium alloy and is notable for its highest strength and hardness compared to commercial copper alloys. C17200 alloy contains appr. 2% of beryllium and achieves its ultimate tensile strength can exceed 200 ksi, while the hardness approaches Rockwell C45.C17200 also exhibits exceptional resistance to stress relaxation at elevated temperatures.

 Typical Application for C17200 Beryllium Copper Alloys:  Electrical Industry: Electrical Switch and Relay Blades, Fuse Clips, Switch Parts, Relay parts, Connectors, Spring Connectors, 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

 Available Sizes: Custom Diameter & Sizes, Random Mill lengths

 Available Products (forms): Round bars, Round strips, Round wires, Round tube, Flat bars, Square bars, Rectangular bars, Hexagon bars, Plates, Sheets, Coils Custom shapes are available upon request.

Beryllium copper strip Mechanical Properties

Symbol or Brands	Chemical Composition	Temper	Tensile Strength (N/mm²)	Elongation (%)	Endurance	Vickers Hardness (HV)	Electric Conductivity (%IACS)
C1720	Be:1.8-2.0 Ni+Co≥0.20 Ni+Co+Fe≤0.6 Cu+Be+Co+Fe ≥99.5	Before age-hardening
		O	410-540	≥35	-	90-160	≥17
		1/4H	510-620	≥10	-	45-220	≥16
		1/2H	590-695	≥5	-	180-240	≥15
		H	685-835	≥2	-	210-270	≥15
		After age-hardening
		OT	1100-1380	≥3	≥960	325-400	≥22
		1/4HT	1180-1400	≥2	≥1030	350-430
		1/2HT	1240-1440	≥2	≥1100	360-440
		HT	1270-1480	≥1	≥1140	380-450
		Spread(Standard)
		OM	685-885	≥18	≥480	220-270	≥17
		1/4HM	735-930	≥10	≥550	235-285
		1/2HM	815-1010	≥8	≥650	260-310
		HM	910-1110	≥6	≥750	295-345
		XHM	1100-1290	≥2	≥930	340-390
		XMHS	1210-1400	≥2	≥1030	360-410

International Specification:

Rods/Bars/Tubes: ASTM B196,251,463; SAE J461,463; AMS 4533,4534,4535; AMS4650,4651;

RWMA Class 4

Strips: ASTM B194, AMS4530,4532; SAE J461,463

Sheets: ASTM B194

Wires: ASTM B197, AMS4725, SAE J461,463

Plates: ASTM B194, SAE J461,463; AMS4530,4533,4534,AMS4650,4651; RWMA Class 4.

European Standards: CuBe2, DIN 2.1247, CW101C to EN

Note:

ASTM: American Society for Testing and Materials

SAE: Society of Automotive Engineers

AMS: Aerospace Materials Specification (Published by SAE)

RWMA: Resistance Welder Manufacturers' Association

Note: Unless otherwise specified, material will be produced to ASTM

Most Commonly Temper Used:

Rods/Bars/Tubes: A(TB00),H(TD04),AT(TF00),HT(TH04)

Strips: A(TB00),1/4 H(TD01),1/2 H(TD02),H(TD04)

Sheets: A(TB00),1/4 H(TD01),1/2 H(TD02),H(TD04),AT(TF00)

Wires: A(TB00),1/4 H(TD01),1/2 H(TD02),3/4H(TD03),H(TD04)

Plates: A(TB00),H(TD04),AT(TF00),HT(TH04)

Product Tags:

tensile strength of aluminum 6061

micro vickers hardness unit

inconel 718 hardness

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