MATERIAL
COPPER
Type Alloy
Number
Composition (%)
Cu Zn Pb Sn Fe P Be Ni Mn Other Specifications
Oxygen-free Copper C1020 99.96or more - - - - - - - - -
Tough Pitch Copper C1100 99.90or more - - - - - - - - -
Phosphorus Deoxidized Copper C1201 99.90or more - - - - 0.004~
0.014
- - - -
Phosphorus Deoxidized Copper C1220 99.90or more - - - - 0.015~
0.040
- - - -
Beryllium Copper C1700 - - - - - - 1.60~1.79 Ni+Co
≧0.20
- Fe+Ni+Co≦0.6
Cu+Be+Fe+Ni+Co 99.5or more
Beryllium Copper C1720 - - - - - - 1.80~2.00 Ni+Co
≧0.20
- Fe+Ni+Co≦0.6
Cu+Be+Fe+Ni+Co 99.5or more
Red Brass C2100 94.0~96.0 (Remainder a) ≦0.03 - ≦0.05 - - - - -
Red Brass C2200 89.0~91.0 (Remainder a) ≦0.05 - ≦0.05 - - - - -
Red Brass C2300 84.0~86.0 (Remainder a) ≦0.05 - ≦0.05 - - - - -
Red Brass C2400 78.5~81.5 (Remainder a) ≦0.05 - ≦0.05 - - - - -
Yellow Brass C2600 68.5~71.5 (Remainder a) ≦0.05 - ≦0.05 - - - - -
Yellow Brass C2680 64.0~68.0 (Remainder a) ≦0.05 - ≦0.05 - - - - -
Yellow Brass C2801 59.0~62.0 (Remainder a) ≦0.10 - ≦0.07 - - - - -
Phosphor Bronze C5191 - ≦0.20 ≦0.02 5.5~7.0 ≦0.10 0.03~0.35 - - - Cu+Sn+P 99.5or more
Phosphor Bronze for Springs C5210 - ≦0.20 ≦0.02 7.0~9.0 ≦0.10 0.03~0.35 - - - Cu+Sn+P 99.5or more
Phosphor Bronze C5212 - ≦0.20 ≦0.02 7.0~9.0 ≦0.10 0.03~0.35 - - - Cu+Sn+P 99.5or more
Nickel Silver C7521 62.0~66.0 (Remainder b) ≦0.03 - ≦0.25 - - 16.5~19.5 ≦0.50 -
Nickel Silver for Springs C7701 54.0~58.0 (Remainder c) ≦0.03 - ≦0.25 - - 16.5~19.5 ≦0.50 -

a. Elements other than those specified for composition values in the table are considered as the remainder, and the remainder is not analyzed. Note that the remainder may include elements other than Cu or Zn.
b. Elements other than those specified for composition values in the table are considered as the remainder. Note that the remainder may include elements other than Zn that are not analyzed.
c. Elements other than those specified for composition values in the table are considered as the remainder. Note that the remainder may include elements other than Cu or Zn that are not analyzed.
Depending on the manufacturer, there may be unique materials (steel grades) for each shape, so please consult your sales representative.
The data listed on this page are representative values independently investigated by our company, based on JIS standards and manufacturer published values, etc. These are reference values only and are not guaranteed for accuracy, completeness, or suitability. Please be sure to confirm the values yourself before use.

Contact
Catalog
Japanese