KUPTİN® R5
Red Bronze | CuSn5Zn5Pb5 | Rg5
KUPTİN R5 (CuSn5Zn5Pb5), produced by Çorum Bronz, is a red brass (leaded gunmetal) alloy that offers a balanced composition for good wear resistance, corrosion durability, and high machinability. It provides reliable performance in pump, valve, and bushing applications.
01. Chemical Composition (%)
science02. Industries Served
factory03. Supply Forms
inventory_204. Mechanical Properties
engineering| Property Name | Imperial (psi) | Metric (MPa) | Test Method |
|---|---|---|---|
| Tensile Strength | - | 200-250 N/mm² | - |
| Yield Strength | - | 90-110 N/mm² | - |
| Hardness | 60-65 HB | 60-65 HB | - |
| Density | - | 8,8 g/cm³ | - |
05. Areas of Use
settings_suggest| Water pump fittings and hardware | |
| Plumbing components | |
| Valves and water fittings | |
| Low-speed, low-load sliding bearings and bushings | |
| Connecting rod (conrod) bearings and friction plates in internal combustion engines |
06. Global Equivalent Grades
public| Region | Standard | Grade Definition | Notes |
|---|---|---|---|
| flag Europe | EN | CuSn5Zn5Pb5-C | Casting |
| flag Europe | EN | CuSn5Zn5Pb5-B | Ingot |
| flag Europe | EN | CC491K | Casting |
| flag Europe | EN | CB491K | Ingot |
| flag USA | ASTM | C83600 | |
| flag Germany | DIN | CuSn5ZnPb5-C | |
| flag Germany | DIN | RG 5 | |
| flag United Kingdom | BS | LG2 | |
| flag Australia | AS | C83600A | |
| flag Global | ISO | CuSn5Zn5Pb5 | |
| flag Poland | PN | B555 | |
| flag Global | Trade | Leaded Red Brass | |
| flag Global | Trade | Leaded Gunmetal | Common Usage |
| flag Türkiye | Brand Name | KUPTİN R5 | Çorum Bronz |
07. Technical Resources
folder_open08. Standard Compliance
verified_userLong Notes
note_altKUPTİN R5 (CuSn5Zn5Pb5) Versatile Red Brass with Çorum Bronz Quality
Developed with Çorum Bronz’s advanced casting technologies, KUPTİN R5 is a versatile red brass (gunmetal) alloy that offers a balanced combination of mechanical strength and excellent machinability, thanks to its optimized tin, zinc, and lead content.
As one of the most widely used alloys in the KUPTİN series, this product is specifically designed to provide stable performance and long-lasting use in systems operating in water, steam, and marine environments.
Çorum Bronz provides not only technical excellence with the KUPTİN series but also the advantages of competitive pricing and fast supply.
Alternative Designations for KUPTİN R5
Standard Codes: JIS BC6, GOST BrO5Z5S5, AS C83600A, NS 16530, БрО5Ц5С5, G-CuSn5ZnPb, SS 5204-15.
Superior Material Properties
With Çorum Bronz production quality, KUPTİN R5 offers:
Good Wear Resistance: Provides an extended service life for industrial parts.
Corrosion Resistance: Highly durable against seawater and corrosive environments.
Excellent Machinability: Facilitates ease of production and precision manufacturing.
Reliable Performance: Delivers stable operation under medium loads.
Low Friction: Ensures efficient performance on contact surfaces.
Technical Structure and Mechanical Performance
KUPTİN R5 (CuSn5Zn5Pb5) is a copper-based alloy reinforced with tin, zinc, and lead.
Tensile Strength: 230 – 260 MPa
Yield Strength: 110 – 120 MPa
Hardness: 60 – 70 HB
Density: 8.8 $g/cm^3$
Global Equivalent Grades
EN Standard: CuSn5Zn5Pb5
DIN Standard: 2.1096
ASTM Standard: C83600
Common Industry Name: RG5
Common Applications
Fluid Control: Pump bodies, impellers, and valve components.
Fasteners: Specialized fittings and flanges.
Bearing Systems: Bushings and sliding bearing systems.
Mechanical Parts: General-purpose industrial machine components.
Sectoral Applications
Marine
Machine Manufacturing
Automotive
Energy
Oil & Gas
Supply Options
KUPTİN R5 red brass products are available through Çorum Bronz in various forms:
Bronze Rods
Bronze Flat Bars
Bronze Plates
Why Choose Çorum Bronz KUPTİN R5?
KUPTİN R5 is more than just an alloy; it is a professional engineering solution offering versatile usage, high durability, and cost-effective advantages.