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C17200 Strip CuBe2.0 XHM HM XMHS Aging Treatment for Hard Springs Plywood Package
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)
