CHEMICAL COMPOSITION
Copper Alloy     Chemical Composition (%)
Standard No. Cu P
ASTM B88 C12200 99.90 % min 0.015 – 0.040 %
(DHP)
TEMPERS
Temper Tube Form Rockwell Hardness Min. Tensile Strength
Scale Value psi Mpa
060 – Annealed Coils F 55 max. 30,000 200
H – Drawn Straights 30T 30 min. 35,000 250
MECHANICAL PROPERTIES
Comparison table of mechanical properties & chemical composition with foreign standard
Copper Alloy Chemical Composition Mechanical Properties
Standard No. Cu% P% Temper Tensile Strenght Elongation Grain Size
(Mpa) (%) (mm)
ASTM C11000 99.90 O 60 ≥ 200 ≥ 0.040
O 50 ≥ 200 ≥ 0.025
B88 C12200 99.90 0.015 to 0.040
H58 ≥ 250
JS C1100 O ≥ 205 ≥ 40
O L 245 to 325
H ≥ 265
H3300 C1220 0.015 to 0.040 O ≥ 205 ≥ 40 0.025 to 0.060
O L ≥ 205 ≥ 40 ≥ 0.040
1/2 H 245 to 325
H ≥ 255
EN 99.90 0.015 to 0.040 R220 ≥ 220 ≥ 40
R250 ≥ 250 ≥ 30 or 20
1057
R290 ≥ 290 ≥ 30