Beryllium Copper Strip
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Chemical Composition

Beryllium Copper Chemical Composition Table
Grade Type Beryllium Be (%) Cobalt Co (%) Lead
Pb (%)
Ni + Co + Fe (%) Copper
Cu (%)
Remarks
C17200High Strength1.8–2.0--≤0.6≥97.9%High strength, for molds
C17300High Strength1.8–2.0-0.2–0.6≤0.6≥97.3%Better machinability
C17410High Strength0.15–0.50.3–0.6--97.5–98.5%Medium strength, good formability
C17450High Strength0.2–0.60.3–1.2--97.0–98.0%Moderate strength and conductivity
C17460High Strength0.3–0.60.4–1.2--97.0–98.0%Improved workability
C17500High Conductivity0.4–0.72.4–2.7-≤0.196.5–97.1%Higher conductivity
C17510High Conductivity0.2–0.60.4–2.1--96.0–97.0%Conductivity 45–60% IACS
C17530High Conductivity0.2–0.60.4–2.1--96.0–97.0%Similar to C17510

Physical Properties

C17200 Beryllium Copper Mechanical Properties
Alloy No. Temper Vickers Hardness (HV) Tensile Strength (MPa) Elongation (%) Conductivity (% IACS)
Alloy25 / C17200O90–160410–540>35>18
1/4H145–220510–620>10>18
1/2H180–240590–620>5>18
H210–270685–835>2>18
Alloy25 / C17200
(Heat Treated)
OT350–4001100–1380>3>18
1/4HT360–4301180–1400>2>18
1/2HT370–4401240–1440>2>18
HT380–4501270–1480>1>18
Alloy25HMB / C17200
(Solution + Heat Treated)
OM220–270685–885>18>19
1/4HM235–285735–930>10>19
1/2HM260–310815–1010>8>19
HM290–345910–1110>6>19
XHM340–3901100–1290>5>19
XHMS360–4101210–1400>2>19
厚度
Thickness (mm)
公称宽度 < 600mm
Nominal Width < 600mm
600mm ≤ 公称宽度 < 1560mm
600mm ≤ Nominal Width < 1560mm
JIS G4305 ASTM 240 我司标准 JIS G4305 ASTM 240 我司标准
0.1 ≤ t < 0.2±0.02±0.015±0.01///
0.2 ≤ t < 0.3±0.025±0.02±0.01±0.038±0.038±0.015
0.3 ≤ t < 0.4±0.03±0.025±0.015±0.04±0.04±0.015
0.4 ≤ t < 0.5±0.04±0.03±0.015±0.04±0.04±0.02
0.5 ≤ t < 0.6±0.04±0.03±0.015±0.04±0.04±0.02
0.6 ≤ t < 0.7±0.045±0.035±0.015±0.05±0.05±0.02
0.7 ≤ t < 0.8±0.045±0.035±0.015±0.05±0.05±0.02
0.8 ≤ t < 0.9±0.05±0.035±0.02±0.06±0.06±0.025
0.9 ≤ t < 1.0±0.05±0.035±0.02±0.06±0.06±0.025
1.0 ≤ t < 1.5±0.06±0.04±0.025±0.07±0.07±0.03
1.5 ≤ t < 2.0±0.07±0.04±0.03±0.08±0.08±0.035

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Dongguan Dechuang Hardware Co., Ltd.
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Factory Address: No.6 Shukeng Street, Yanwu Village, Dalingshan Town, Dongguan, Guangdong, China