TD02 CDA 172 Beryllium Copper Rods Bars High Tensile Strength For Welding Equipment
CDA 172 Beryllium Cu Alloy Bars With High Tensile Strength For Welding Equipment
Product Normal Description:
Product Name: Beryllium Cu alloy bars
Grade: CDA 172
Standard: ASTM B196,251,463; SAE J461,463; AMS 4533,4534,4535; AMS 4650,4651; RWMA Class 4
Product Diameter: 5mm-100mm
State: A(TB00),1/2H (TD02), H(TD04),AT(TF00),HT(TH04)
Typical Application: For electrical industry
CDA 172 Beryllium Cu Alloy International Specification:
Rods/Bars/Tubes: ASTM B196,251,463; SAE J461,463; AMS 4533,4534,4535; AMS 4650,4651; RWMA Class 4
European Standards: CuBe2, Alloy 25, QBe2, BrB2, 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 SEA)
RWMA: Resistance Welder Manufacturers' Association
Note: Unless otherwise specified, material will be produced by ASTM.
Typical Physical Properties of CDA 172 Beryllium Cu Alloy :
| Characteristics | English | Metric | ||
|---|---|---|---|---|
| Nominal density
(68°F/20°C) |
0.298 lbs/in3 | 8.25 g/cm3 | ||
| Specific heat
(212 °F/100°C) |
0.10 BTU/lb – °F | 420 J/KG- °K | ||
| Melting range | 1590-1800 °F | 865-980 °C | ||
| Coefficient of thermal
expansion |
68°F – 212°F
20°C – 100°C |
9.3 micro in/in- °F | 16.7 micro m/m- °K | |
| 68°F – 392°F
20°C – 200°C |
9.4 micro in/in- °F | 17.0 micro m/m- °K | ||
| 68°F – 572°F
20°C – 300°C |
9.9 micro in/in- °F | 17.8 micro m/m- °K | ||
| Thermal conductivity | 20°C / 68°F | 60-75 BTU/ft- hr – °F | 105-130 W/m – °K | |
| 200°C / 392°F | 75-77 BTU/ft- hr – °F | 130-133 W/m – °K | ||
| Electrical resistivity | 20°C / 68°F | 57-115 nΩ ∙ m | ||
| Electrical conductivity | Volumetric:
20°C / 68°F |
15-30% IACS | ||
Mechanical and Electrical Properties of CDA 172 Beryllium Cu Alloy Bars:
| Temper(*) | Diameter | Heat Treatment | Tensile Strength ksi |
Elongation Percent (Min) |
Electrical Conductivity Percent IACS |
Hardness Rockwell B or C Scale |
|---|---|---|---|---|---|---|
| A(TB00) | ALL SIZE | / | 400~600 | 30 | 15~19 | B45~85 |
| 1/2H(TB04) | 5~40 | / | 550~700 | 10 | 15~19 | ＞B78 |
H(TD04) |
5~10 | / | 660~900 | 5 | 15~19 | ＞B88 |
| ＞10~25 | / | 620~860 | 5 | 15~19 | ||
| ＞25 | / | 590~830 | 5 | 15~19 | ||
| AT(TF00) | ALL SIZE | 3 hr 320°C | 1100~1380 | 2 | 22~28 | C35~42 |
| HT(TH04) | 5~10 | 2 hr 320°C | 1200~1550 | 1 | 22~28 | C37~45 |
| ＞10~25 | 1150~1520 | 1 | 22~28 | C36~44 | ||
| ＞25 | 1120~1480 | 1 | 22~28 | C35~44 |
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