JIS Standard Copper

Brass Castings
Marker Casting Temperature Chemical Components(%) Tensile Strength kg/mm2 Extension Rate % Hardness Brinell
Cu Zn Pb Sn Al Fe
YBsC1 1120 83.0~88.0 11.0~17.0 0.5 Below Sn + Al + Fe 1.0 Below 15 Up 25 Up 45~55
YBsC2 1000 65.0~70.0 24.0~34.0 0.5~3.0 1.0 Below 0.5 Below 0.8 Below 20 Up 20 Up 44~60
YBsC3 1000 58.0~64.0 30.0~41.0 0.5~3.0 1.0 Below 0.5 Below 0.8 Below 55 Up 15 Up 120 Up

High-Tension Brass Castings
Marker Chemical Components(%) Impurities
Cu Zn Mn Fe Al Sn Ni Pb Si
HBsC1 55.0~60.0 33.0~42.0 0.1~1.5 0.5~1.5 0.5~1.5 1.0 Below 1.0 Below 0.4 Below  
HBsC1C
HBsC2 55.0~60.0 30.0~42.0 0.1~3.5 0.5~2.0 0.5~2.0 1.0 Below 1.0 Below 0.4 Below 1.0 Below
HBsC3 60.0~65.0 22.0~28.0 .25~5.0 2.0~4.0 3.0~5.0 0.5 Below 0.5 Below 0.2 Below 1.0 Below
HBsC4 60.0~65.0 22.0~28.0 .25~5.0 2.0~4.0 5.0~7.5 0.2 Below 0.5 Below 0.2 Below 1.0 Below
Marker Tensile Strength kkg/mm2 Extension Rate% Hardness HB Brinell
HBsC1 44 Up 20 Up 108
HBsC1C 45 Up 25 Up
HBsC2 50 Up 18 Up 140
HBsC3 65 Up 15 Up 150~230
HBsC4 77 Up 12 Up 150~230

Bronze Castings
Marker Chemical Components(%) Tensile Strength
kg/mm2		 Extension Rate
%		 Hardness
Brinell
Cu Sn Zn Pb Ni Fe
BC1 79.0~83.0 2.0~4.0 8.0~12.0 3.0~7.0 1.0 Below 0.35 Below 17 Up 15 Up
BC1C 20 Up 15 Up
BC2 86.0~90.0 7.0~9.0 3.0~5.0 1.0 Below 1.0 Below 0.2 Below 25 Up 20 Up 68
BC2C 28 Up 15 Up
BC3 86.5~89.5 9.0~11.0 1.0~3.0 1.0 Below 1.0 Below 0.2 Below 25 Up 15 Up 73
BC3C 28 Up 13 Up
BC6 82.0~87.0 4.0~6.0 4.0~6.0 4.0~6.0 1.0 Below 0.3 Below 20 Up 15 Up 59
BC6C 25 Up 15 Up
BC7 86.0~90.0 5.0~7.0 .3.0~5.0 1.0~3.0 1.0 Below 0.3 Below 22 Up 18 Up 69
BC7C 26 Up 15 Up

Phosphor Bronze Castings
Marker Chemical Components(%) Tensile Strength kg/mm2 Extension Rate % Hardness Test
HB(10/100)
Cu Sn P Ni Zn,Pb
PBC2 87.0~91.0 9.0~12.0 0.05~0.20 1.0 Below 0.3 Below 20 Up 5 Up 60 Up
PBC2B 0.15~0.50 30 Up 5 Up 80 Up
PBC2C 0.05~0.50 30 Up 10 Up 80 Up
PBC3B 84.0~88.0 12.0~15.0 0.15~0.50 0.3 Below 90 Up
PBC3C 0.05~0.50 30 Up 5 Up 90 Up

High-Tension Phosphor Bronze Castings
Marker Types of Casting Processes Reference (Actual Application)
HBsC1 Sand Mold Castings Applied when high-tension and anti-erosion is required; utilized in ship propellers (primarily in commercial ships and military vessels), propeller hoods, gear molds, bearing retainers, seats, stems, ship assembly, and other general parts.
HBsC1C Continuous Casting
HBsC2 Sand Mold Castings
HBsC3 Sand Mold Castings Applied when high tensile strength, extreme hardness, and abrasion resistance is required; utilized in bridge support plates, bearings, nuts, screws, gears, wear plates, sliders, and turbines.
HBsC4 Sand Mold Castings

Aluminum bronze castings
Marker Types of Casting Processes Reference (Actual Application)
AlBC1 Sand Mold Castings Applies to demanding of good strength and patience, such as for acid parts, gears, and papermaking roll.
AlBC1C Sand Mold Castings Applies to demanding of strength, corrosion resistance, soil corrosion resistance, and abrasion resistance, such as for small marine propellers, gears, bearings, bushings, valve seats, and other security tools.
AlBC2 Continuous Casting
AlBC3 Sand Mold Castings Applies to the special needs of strength, corrosion resistance, abrasion resistance and that of large castings, such as propellers, sleeve, rotor vanes, gears, machine parts, and other industrial chemical.
AlBC4 Sand Mold Castings