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
CuZn37Mn3Al2PbSi-C
KUZRAL® 3 | High-Strength Special Brass / Manganese Bronze
KUZRAL® 3 is a CuZn37Mn3Al2PbSi-based special brass / manganese bronze product combining high mechanical strength, wear...
Tensile Strength Rm
Rods: R540 ≥540; R590 ≥590
0.2% Proof Strength Rp0.2
R540 approx. 280; R590 approx. 320-370
Elongation A
R540 ≥15; R590 ≥10
Hardness
H130: 130-170; H150: 150-220
CuZn35Mn2Al1Fe1
KUZRAL® 2 | High-Toughness Manganese Bronze
KUZRAL® 2 is a high-tensile special brass / manganese bronze designated CuZn35Mn2Al1Fe1-B / CB765S for ingots and CuZn35...
Tensile Strength Rm
GS ≥450; GM ≥475; GZ ≥500; GC ≥500
0.2% Proof Strength Rp0.2
GS ≥170; GM ≥200; GZ ≥200; GC ≥200
Elongation A
GS ≥20; GM ≥18; GZ ≥18; GC ≥18
Hardness
GS ≥110; GM ≥110; GZ ≥120; GC ≥120
CuZn34Mn3Al2Fe1-B
KUZRAL® 1 | High-Strength Manganese Bronze
KUZRAL® 1 is a high-strength manganese bronze designated CuZn34Mn3Al2Fe1-B / CB764S for ingots and CuZn34Mn3Al2Fe1-C / C...
Tensile Strength Rm
GS ≥600; GM ≥600; GZ ≥620; GC ≥620
0.2% Proof Strength Rp0.2
GS ≥250; GM ≥260; GZ ≥260; GC ≥260
Elongation A
GS ≥15; GM ≥10; GZ ≥14; GC ≥14
Hardness
GS ≥140; GM ≥140; GZ ≥150; GC ≥150
CuSn7Zn4Pb7
RG7 Leaded Gunmetal / Tin-Zinc-Lead Bronze | EN 1982 CuSn7Zn4Pb7-C / CC493K
KUPTİN® R7 is a leaded tin-zinc bronze designated CuSn7Zn4Pb7-C / CC493K under EN 1982. Its balanced combination of tin,...
Tensile Strength Rm
Sand (GS) ≥230; Permanent mould (GM) ≥230; Centrifugal (GZ) ≥260; Continuous (GC) ≥260
Proof Strength Rp0.2
Sand (GS) ≥120; Permanent mould (GM) ≥120; Centrifugal (GZ) ≥120; Continuous (GC) ≥120
Elongation A
Sand (GS) ≥15; Permanent mould (GM) ≥12; Centrifugal (GZ) ≥12; Continuous (GC) ≥12
Hardness
Sand (GS) ≥60; Permanent mould (GM) ≥60; Centrifugal (GZ) ≥70; Continuous (GC) ≥70
CuSn5Zn5Pb5
RG5 Leaded Gunmetal / Tin-Zinc-Lead Bronze | EN 1982 CuSn5Zn5Pb5-C / CC491K
KUPTİN® R5 is a leaded tin-zinc bronze designated CuSn5Zn5Pb5-C / CC491K under EN 1982. Its balanced tin, zinc and lead...
Tensile Strength Rm
Sand (GS) ≥200; Permanent mould (GM) ≥220; Centrifugal (GZ) ≥250; Continuous (GC) ≥250
Proof Strength Rp0.2
Sand (GS) ≥90; Permanent mould (GM) ≥110; Centrifugal (GZ) ≥110; Continuous (GC) ≥110
Elongation A
Sand (GS) ≥13; Permanent mould (GM) ≥6; Centrifugal (GZ) ≥13; Continuous (GC) ≥13
Hardness
Sand (GS) ≥60; Permanent mould (GM) ≥65; Centrifugal (GZ) ≥65; Continuous (GC) ≥65
CuSn10Zn2
RG10 Tin-Zinc Bronze | Historical ISO 1338 CuSn10Zn2
KUPTİN® R10 is a CuSn10Zn2-based cast bronze containing approximately 10% tin and 1-3% zinc. Its wear resistance, load-c...
Tensile Strength Rm
Sand (G) ≥260; Centrifugal (GZ) ≥280; Continuous (GC) ≥280
Proof Strength Rp0.2
Sand (G) ≥130; Centrifugal (GZ) ≥150; Continuous (GC) ≥140
Elongation A
Sand (G) ≥15; Centrifugal (GZ) ≥5; Continuous (GC) ≥8
Hardness
Sand (G) ≥75; Centrifugal (GZ) ≥95; Continuous (GC) ≥90
KUPTİN® 14
High-Tin Bronze | EN 1982 CuSn14-C / CC486K
KUPTİN® 14 is a CuSn14-based cast tin bronze whose high tin content provides hardness, wear resistance and performance u...
Tensile Strength Rm
≥200
Elongation A
≥3
Hardness
≥85
Density
approx. 8.7-8.8
KUPTİN® 12
Tin Bronze | EN 1982 CuSn12-C / CC483K
KUPTİN® 12 is a CuSn12-based cast tin bronze whose high tin content provides resistance to wear, surface pressure and de...
Tensile Strength Rm
Sand (GS) ≥260; Permanent mould (GM) ≥270; Centrifugal (GZ) ≥280; Continuous (GC) ≥300
Proof Strength Rp0.2
Sand (GS) ≥140; Permanent mould (GM) ≥150; Centrifugal (GZ) ≥150; Continuous (GC) ≥150
Elongation A
Sand (GS) ≥7; Permanent mould (GM) ≥5; Centrifugal (GZ) ≥5; Continuous (GC) ≥6
Hardness
Sand (GS) ≥80; Permanent mould (GM) ≥80; Centrifugal (GZ) ≥90; Continuous (GC) ≥90
KUPTİN® 10
Tin Bronze | EN 1982 CuSn10-C / CC480K
KUPTİN® 10 is a CuSn10-based cast bronze alloy containing approximately 10% tin. It is used for bushings, plain bearings...
Tensile Strength
250-280 N/mm²
Yield Strength
130-170 N/mm²
Hardness
70-80 HB
Density
8,7 g/cm³
KUPTİN® P8
Phosphor Tin Bronze | CuSn8P
KUPTİN® P8 (Phosphor Tin Bronze | CuSn8P) is supplied by Çorum Bronz for engineering applications requiring reliable str...
Tensile Strength
390-450 N/mm²
Yield Strength
260-280 N/mm²
Hardness
120-160 HB
Density
8,8 g/cm³
CuSn5P
Phosphor Bronze | EN CuSn5 / CW451K
KUPTİN® P5 is the wrought phosphor tin bronze designated CuSn5 / CW451K in the EN system. Approximately 5% tin and contr...
Tensile Strength Rm
R310 310-390; R400 400-500; R490 490-580; R550 550-640; R630 630-720; R690 ≥690
0.2% Proof Strength Rp0.2
R310 ≤250*; R400 ≥240; R490 ≥430; R550 ≥510; R630 ≥600; R690 ≥670
Elongation
A50 (≤2.5 mm): R310 ≥45; R400 ≥14; R490 ≥8; R550 ≥4; R630 ≥2. A (>2.5 mm): R310 ≥55; R400 ≥17; R490 ≥10
Hardness
H075 75-105; H120 120-160; H160 160-190; H180 180-210; H200 200-230; H220 ≥220
CuSn6P
Phosphor Bronze | EN CuSn6 / CW452K
KUPTİN® P6 is the phosphor tin bronze designated CuSn6 / CW452K in the EN system. Approximately 6% tin and controlled ph...
Tensile Strength Rm
R350 350-420; R420 420-520; R500 500-590; R560 560-650; R640 640-730; R720 ≥720
0.2% Proof Strength Rp0.2
R350 ≤300*; R420 ≥360; R500 ≥460; R560 ≥530; R640 ≥610; R720 ≥690
Elongation A50
R350 ≥45; R420 ≥17; R500 ≥8; R560 ≥5; R640 ≥3
Hardness
H080 80-110; H125 125-165; H160 160-190; H180 180-210; H200 200-230; H220 ≥220
CuSn5Pb9
KUPTİN® PB9 | High-Leaded Tin Bronze
KUPTİN® PB9 is a high-leaded tin bronze casting alloy designated CuSn5Pb9-C / CC494K under EN 1982. Tin contributes to s...
Tensile Strength Rm
GS ≥160; GM ≥200; GZ ≥200; GC ≥200
0.2% Proof Strength Rp0.2
GS ≥60; GM ≥80; GZ ≥90; GC ≥100
Elongation A
GS ≥7; GM ≥5; GZ ≥6; GC ≥9
Hardness
GS ≥55; GM ≥60; GZ ≥60; GC ≥60
CuSn10Pb10
KUPTİN® PB10 | High-Leaded Tin Bronze
KUPTİN® PB10 is a high-leaded tin bronze casting alloy designated CuSn10Pb10-C / CC495K under EN 1982. Tin contributes t...
Tensile Strength Rm
GS ≥180; GM ≥220; GZ ≥220; GC ≥220
0.2% Proof Strength Rp0.2
GS ≥80; GM ≥110; GZ ≥110; GC ≥110
Elongation A
GS ≥8; GM ≥3; GZ ≥6; GC ≥8
Hardness
GS ≥60; GM ≥65; GZ ≥70; GC ≥70
CuSn12Ni2
Nickel Tin Bronze | EN 1982 CuSn12Ni2-C / CC484K
KUPTİN® Nİ is a CuSn12Ni2-based cast bronze combining high tin content with 1.5-2.5% nickel. Its high wear resistance, g...
Tensile Strength Rm
Sand (GS) ≥280; Centrifugal (GZ) ≥280; Continuous (GC) ≥300
Proof Strength Rp0.2
Sand (GS) ≥160; Centrifugal (GZ) ≥180; Continuous (GC) ≥180
Elongation A
Sand (GS) ≥12; Centrifugal (GZ) ≥8; Continuous (GC) ≥10
Hardness
Sand (GS) ≥85; Centrifugal (GZ) ≥95; Continuous (GC) ≥95
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
CuZn25Al5Mn4Fe3
KUZRAL® 4 | High-Strength Manganese Bronze
KUZRAL® 4 is a high-tensile special brass / manganese bronze designated CuZn25Al5Mn4Fe3-C / CC762S for castings and CuZn...
Tensile Strength Rm
GS ≥750; GM ≥750; GZ ≥750; GC ≥750
0.2% Proof Strength Rp0.2
GS ≥450; GM ≥480; GZ ≥480; GC ≥480
Elongation A
GS ≥8; GM ≥8; GZ ≥5; GC ≥5
Hardness
GS ≥180; GM ≥180; GZ ≥190; GC ≥190
CuSn11Pb2
Leaded Tin Bronze | EN 1982 CuSn11Pb2-C / CC482K
KUPTİN® PB is a leaded tin bronze designated CuSn11Pb2-C / CC482K under EN 1982. Its high tin content supports strength...
Tensile Strength Rm
Sand (GS) ≥240; Centrifugal (GZ) ≥280; Continuous (GC) ≥280
Proof Strength Rp0.2
Sand (GS) ≥130; Centrifugal (GZ) ≥150; Continuous (GC) ≥150
Elongation A
Sand (GS) ≥5; Centrifugal (GZ) ≥5; Continuous (GC) ≥5
Hardness
Sand (GS) ≥80; Centrifugal (GZ) ≥90; Continuous (GC) ≥90
Precision Material Selection Tool
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