Product Description
C67400 MANGANESE BRONZE
EQUIVALENT SPECIFICATIONS
| Specifications | Designation |
| Uns | C66800 |
| Uns | C67300 |
| Uns | C67420 |
C67400 : Excellent hot and cold workability; good forge ability. Fabricated by bending, coining, coppersmith, drawing and upsetting, hot forging and pressing, knurling, roll threading, shearing, spinning, swaging, and stamping.
- INDUSTRIAL: Bushings, Shafts, Cams, Chain Guides, Wear Plates, Gears, Food Conveyor Chain
- OTHER: Connecting Rods
Sizes Available :
- ROUND RODS. . . . . . . . . . . . . 8mm To 70 mm
- HEX . . . . . . . . . . . . . . . 10mm To 60mm
- SQUARE . . . . . . 10mm To 60mm
- FLAT . . . . . . . . . . .10mm Min Thickness and max Width 120mm
- BILLETS. . . . . . . . Up to 200 mm
- INGOTS. . . . . . . As per Specification
CHEMICAL COMPOSITION
| | Al | Cu | Fe | Pb | Mn | Ni | Si | Sn | Zn |
| Min/Max | 0.50 - 2.0 | 57.0 - 60.0 | 0.35 | 0.5 | 2.0 - 3.5 | 0.25 | 0.50 - 1.5 | 0.3 | Rem |
| Nominals | 1.2000 | 58.5000 | - | - | 2.8000 | - | 1.0000 | - | 36.5000 |
SPECIFICATIONS
| End Product | Specification |
| Bar | SAE J461, J463 |
| Forgings | SAE J461, J463 |
| Rod | SAE J463, J461 |
| Shapes | SAE J463, J461 |
FABRICATION
| Joining Technique | Suitability |
| Brazing | Good |
| Butt Weld | Good |
| Capacity for Being Cold Worked | Poor |
| Capacity for Being Hot Formed | Excellent |
| Coated Metal Arc Welding | Not Recommended |
| Forgeability | 100 |
| Gas Shielded Arc Welding | Fair |
| Machinability Rating | 30 |
| Oxyacetylene Welding | Not Recommended |
| Seam Weld | Good |
| Soldering | Fair |
| Spot Weld | Good |
PHYSICAL PROPERTIES
| Product Property | US Customary | Metric |
| Coefficient of Thermal Expansion | 11.0 ·10-6 per oF (68-572 F) | 19.8 10-6 per oC (20-300 C) |
| Density | 0.292 lb/in3 at 68 F | 8.08 gm/cm3 @ 20 C |
| Electrical Conductivity | 23 %IACS @ 68 F | 0.135 MegaSiemens/cm @ 20 C |
| Electrical Resistivity | 45.1 ohms-cmil/ft @ 68 F | 7.5 microhm-cm @ 20 C |
| Melting Point - Liquidus | 1625 F | 885 C |
| Melting Point - Solidus | 1590 F | 866 C |
| Modulas of Elasticity in Tension | 16000 ksi | 110000 MPa |
| Modulus of Rigidity | 6000 ksi | 41370 MPa |
| Specific Gravity | 8.08 | 8.08 |
| Specific Heat Capacity | 0.09 Btu/lb/oF at 68 F | 377.1 J/kg/ · oK at 293 K |
| Thermal Conductivity | 58.0 Btu · ft/(hr · ft2·oF)at 68F | 100.4 W/m · oK at 20 C |
High-Strength and PerformanceC67400 Manganese Bronze provides exceptional mechanical strength and durability, underlining its suitability for heavy load and high-speed operations. The alloys superior tensile and yield strength ensures consistent performance in the most demanding applications, making it a preferred choice for components exposed to intense mechanical stress.
Corrosion Resistance for Marine ApplicationsThis manganese bronze alloy excels in environments where corrosion poses a significant risk, such as marine and coastal settings. Its excellent corrosion resistance extends the life of mechanical parts like bushings, ensuring reliability and reduced maintenance in harsh, moisture-prone conditions.
Precision Engineering with Custom ShapesProduced through a controlled hot rolling process, C67400 Manganese Bronze offers a smooth, bright finish and can be supplied in custom round bar dimensions. This customization capability supports a variety of mechanical and architectural uses, meeting exact project requirements in terms of size and shape.
FAQs of C67400 MANGANESE BRONZE:
Q: How is C67400 Manganese Bronze typically processed for use?
A: C67400 Manganese Bronze is processed using a hot rolling technique, resulting in a hard temper and a smooth, bright finish. This process enhances its mechanical properties, making it suitable for applications requiring both strength and machinability, such as custom-shaped round bars.
Q: What applications are best suited for C67400 Manganese Bronze, and why?
A: The alloy is ideal for high-strength mechanical components, marine hardware, and bushings due to its excellent corrosion resistance, high tensile strength, and durability. Its non-magnetic and low lead content also make it suitable for critical engineering and marine environments.
Q: When should C67400 Manganese Bronze be chosen over other materials?
A: This alloy should be selected when applications demand a combination of superior mechanical strength, excellent corrosion resistance, and moderate machinability. Its especially relevant in settings where exposure to moisture or load stresses is significant, such as marine and heavy industrial sectors.
Q: Where is C67400 Manganese Bronze commonly supplied from in India?
A: In India, C67400 Manganese Bronze is available through various industry players, including distributors, exporters, manufacturers, service providers, suppliers, and traders. Its widespread availability supports a range of domestic and international industrial projects.
Q: What benefits does the low lead content and non-magnetic nature of C67400 Manganese Bronze offer?
A: With lead content below 0.15% and a non-magnetic profile, C67400 reduces the risk of contamination and interference in sensitive environments. These features make it particularly advantageous in food processing, electrical, and marine industries where such concerns are critical.
Q: How is the finish and appearance of C67400 Manganese Bronze advantageous for users?
A: The alloy boasts a smooth, bright, golden yellow finish produced by hot rolling, providing both aesthetic appeal and enhanced resistance to tarnishing. This makes it suitable for visible architectural elements and precision-engineered components that require an attractive yet robust material.