High-Performance Bronze Alloys
Explore our comprehensive metallurgy portfolio. Our high-strength, corrosion-resistant bronze alloys are specifically engineered for marine, aerospace, and heavy industry applications, delivering exceptional performance under extreme industrial conditions.
CuAl11Fe6Ni6-C
KUPRAL® 6 | CuAl11Ni / CC334G Nickel Aluminium Bronze
KUPRAL® 6 is a high-strength cast nickel aluminium bronze designated CuAl11Fe6Ni6-C / CC334G under EN 1982. It combines...
Tensile Strength Rm
GS ≥680; GM ≥750; GZ ≥750
0.2% Proof Strength Rp0.2
GS ≥320; GM ≥380; GZ ≥380
Elongation A
GS ≥5; GM ≥5; GZ ≥5
Hardness
GS ≥170; GM ≥185; GZ ≥185
CuAl10Ni
KUPRAL® | Nickel Aluminium Bronze
KUPRAL® CuAl10Ni is a high-strength nickel aluminium bronze historically designated G-CuAl10Ni / 2.0975.01 under DIN 171...
Tensile Strength Rm
G ≥600; GK ≥600; GZ ≥700; GC ≥700
0.2% Proof Strength Rp0.2
G ≥270; GK ≥300; GZ ≥300; GC ≥300
Elongation A
G ≥12; GK ≥14; GZ ≥13; GC ≥13
Hardness
G ≥140; GK ≥150; GZ ≥160; GC ≥160
CuAl9Ni
KUPRAL® 7 | CuAl10Ni3Fe2-C / CC332G Nickel Aluminium Bronze
KUPRAL® 7 is a cast nickel aluminium bronze designated CuAl10Ni3Fe2-C / CC332G under EN 1982. CuAl9Ni is the historical...
Tensile Strength Rm
GS ≥500; GM ≥600; GZ ≥550; GC ≥550
0.2% Proof Strength Rp0.2
GS ≥180; GM ≥250; GZ ≥220; GC ≥220
Elongation A
GS ≥18; GM ≥20; GZ ≥20; GC ≥20
Hardness
GS ≥100; GM ≥130; GZ ≥120; GC ≥120
CuAl10Ni5Fe4
KUPRAL® 4 | Nickel Aluminium Bronze
KUPRAL® 4 is a wrought nickel aluminium bronze designated CuAl10Ni5Fe4 / CW307G in the European material system. Alumini...
Tensile Strength Rm
R680 ≥680; R740 ≥740
0.2% Proof Strength Rp0.2
R680 ≥320; R740 ≥400
Elongation A
R680 ≥10; R740 ≥8
Hardness
H170: 170-210; H200 ≥200
CuAl10Fe5Ni5
KUPRAL® 5 | Nickel Aluminium Bronze
KUPRAL® 5 is a high-strength cast nickel aluminium bronze designated CuAl10Fe5Ni5-C / CC333G under EN 1982. Aluminium pr...
Tensile Strength Rm
GS ≥600; GM ≥650; GZ ≥650; GC ≥650
0.2% Proof Strength Rp0.2
GS ≥250; GM ≥280; GZ ≥280; GC ≥280
Elongation A
GS ≥13; GM ≥7; GZ ≥13; GC ≥13
Hardness
GS ≥140; GM ≥150; GZ ≥150; GC ≥150
CuAl10Fe2
KUPRAL® 2 | Iron-Bearing Aluminium Bronze
KUPRAL® 2 is an iron-bearing aluminium bronze designated CuAl10Fe2-C / CC331G for castings under EN 1982. Aluminium cont...
Tensile Strength Rm
GS ≥500; GM ≥600; GZ ≥550; GC ≥550
0.2% Proof Strength Rp0.2
GS ≥180; GM ≥250; GZ ≥200; GC ≥200
Elongation A
GS ≥18; GM ≥20; GZ ≥18; GC ≥15
Hardness
GS ≥100; GM ≥130; GZ ≥130; GC ≥130
Precision Material Selection Tool
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