Verified Curated Comparison Pairs:Source-Qualified
Material Comparison Engine
Compare verified materials with source-specific conditions, units, and property limits.
Material A (Baseline)
Material B (Comparison)
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Temper & Metallurgical Context Qualification:The selected records contain different or missing source contexts. Values shown in separate rows are not directly matched. Typical and estimated values are not guaranteed minima; matching context alone does not establish interchangeability.
1. Identity, Classification & Standards
| Parameter | C63200 Nickel-Aluminum Bronze (Naval Alloy) | C63000 Nickel-Aluminum Bronze (AMS 4640) |
|---|---|---|
| Material Family | Copper Alloys | Copper Alloys |
| Subfamily | Aluminum Bronze | Aluminum Bronze |
| UNS Designation | C63200 | C63000 |
| COMMERCIAL Designation | Nickel-Aluminum Bronze (Naval Alloy) | Nickel-Aluminum Bronze (AMS 4640) |
| CDA Designation | Alloy 632 | Alloy 630 |
| SPECIFICATION Designation | ASTM B124/B124M | SAE J461 |
2. Chemical Composition Limits (wt %)Source-specific limits and typical values
| Element | C63200 Nickel-Aluminum Bronze (Naval Alloy) | C63000 Nickel-Aluminum Bronze (AMS 4640) |
|---|---|---|
| Cu (Copper) | Bal. | Bal. |
| Pb (Lead) | ≤ 0.02% | — |
| Fe (Iron) | 3.5 – 4.3% | 2 – 4% |
| Ni (Nickel) | 4 – 4.8% | 4 – 5.5% |
| Al (Aluminum) | 8.7 – 9.5% | 9 – 11% |
| Mn (Manganese) | 1.2 – 2% | ≤ 1.5% |
| Si (Silicon) | ≤ 0.1% | ≤ 0.25% |
| Sn (Tin) | — | ≤ 0.2% |
| Zn (Zinc) | — | ≤ 0.3% |
3. Physical Properties
| Property | C63200 Nickel-Aluminum Bronze (Naval Alloy) | C63000 Nickel-Aluminum Bronze (AMS 4640) |
|---|---|---|
| Density · TYPICAL · 20 °CUnit: g/cm³ | 7.64 g/cm³ | 7.584 g/cm³ |
4. Contextual Mechanical PropertiesUnit: SI
| Mechanical Parameter | C63200 Nickel-Aluminum Bronze (Naval Alloy)Light Anneal (O50) | C63000 Nickel-Aluminum Bronze (AMS 4640)As Hot Extruded (M30) |
|---|---|---|
| Modulus of Elasticity (Tension) · TYPICALUnit: GPa | 117.2 GPa | 120.7 GPa |
| Modulus of Rigidity · TYPICALUnit: MPa | 44126.4 MPa | 44126.4 MPa |
| Machinability Rating · TYPICALUnit: % | 30 % | 30 % |
| Forgeability Rating · TYPICALUnit: — | 70 — | 75 — |
| Tensile Strength · Forgings · 5 · Light Anneal (O50) · TYPICAL · 20 °CUnit: MPa | 689.5 MPa | — MPa |
| Tensile Strength · Plate · 0.5 · Light Anneal (O50) · TYPICAL · 20 °CUnit: MPa | 655 MPa | — MPa |
| Tensile Strength · Plate · 0.25 · Light Anneal (O50) · TYPICAL · 20 °CUnit: MPa | 689.5 MPa | — MPa |
| Tensile Strength · Plate · 1 · Light Anneal (O50) · TYPICAL · 20 °CUnit: MPa | 620.5 MPa | — MPa |
| Tensile Strength · Rod · 2 · Light Anneal (O50) · TYPICAL · 20 °CUnit: MPa | 710.2 MPa | — MPa |
| Tensile Strength · Rod · 1 · Light Anneal (O50) · TYPICAL · 20 °CUnit: MPa | 723.9 MPa | — MPa |
| Tensile Strength · Rod · 3 · Light Anneal (O50) · TYPICAL · 20 °CUnit: MPa | 703.3 MPa | — MPa |
| Tensile Strength · Bar · 3 · As Hot Extruded (M30) · TYPICAL · 20 °CUnit: MPa | — MPa | 620.5 MPa |
| Tensile Strength · Rod · 4 · As Hot Extruded (M30) · TYPICAL · 20 °CUnit: MPa | — MPa | 689.5 MPa |
| Yield Strength (0.5% Ext) · Forgings · 5 · Light Anneal (O50) · TYPICAL · 20 °CUnit: MPa | 310.3 MPa | — MPa |
| Yield Strength (0.5% Ext) · Plate · 0.5 · Light Anneal (O50) · TYPICAL · 20 °CUnit: MPa | 324.1 MPa | — MPa |
| Yield Strength (0.5% Ext) · Plate · 0.25 · Light Anneal (O50) · TYPICAL · 20 °CUnit: MPa | 344.7 MPa | — MPa |
| Yield Strength (0.5% Ext) · Plate · 1 · Light Anneal (O50) · TYPICAL · 20 °CUnit: MPa | 310.3 MPa | — MPa |
| Yield Strength (0.5% Ext) · Rod · 2 · Light Anneal (O50) · TYPICAL · 20 °CUnit: MPa | 358.5 MPa | — MPa |
| Yield Strength (0.5% Ext) · Rod · 1 · Light Anneal (O50) · TYPICAL · 20 °CUnit: MPa | 365.4 MPa | — MPa |
| Yield Strength (0.5% Ext) · Rod · 3 · Light Anneal (O50) · TYPICAL · 20 °CUnit: MPa | 351.6 MPa | — MPa |
| Yield Strength (0.5% Ext) · Bar · 3 · As Hot Extruded (M30) · TYPICAL · 20 °CUnit: MPa | — MPa | 344.7 MPa |
| Yield Strength (0.5% Ext) · Rod · 4 · As Hot Extruded (M30) · TYPICAL · 20 °CUnit: MPa | — MPa | 413.7 MPa |
| Elongation · Forgings · 5 · Light Anneal (O50) · TYPICAL · 20 °CUnit: % | 22 % | — % |
| Elongation · Plate · 0.5 · Light Anneal (O50) · TYPICAL · 20 °CUnit: % | 22 % | — % |
| Elongation · Plate · 0.25 · Light Anneal (O50) · TYPICAL · 20 °CUnit: % | 20 % | — % |
| Elongation · Plate · 1 · Light Anneal (O50) · TYPICAL · 20 °CUnit: % | 25 % | — % |
| Elongation · Rod · 2 · Light Anneal (O50) · TYPICAL · 20 °CUnit: % | 24 % | — % |
| Elongation · Rod · 1 · Light Anneal (O50) · TYPICAL · 20 °CUnit: % | 22 % | — % |
| Elongation · Rod · 3 · Light Anneal (O50) · TYPICAL · 20 °CUnit: % | 24 % | — % |
| Elongation · Bar · 3 · As Hot Extruded (M30) · TYPICAL · 20 °CUnit: % | — % | 15 % |
| Elongation · Rod · 4 · As Hot Extruded (M30) · TYPICAL · 20 °CUnit: % | — % | 15 % |
| Fatigue Strength · Rod · 4 · As Hot Extruded (M30) · TYPICALUnit: MPa | — MPa | 248.2 MPa |
| Shear Strength · Rod · 4 · As Hot Extruded (M30) · TYPICALUnit: MPa | — MPa | 427.5 MPa |
5. Electrical & Thermal Conductive Properties
| Property | C63200 Nickel-Aluminum Bronze (Naval Alloy) | C63000 Nickel-Aluminum Bronze (AMS 4640) |
|---|---|---|
| Electrical Conductivity · TYPICAL · 20 °CCategory: ELECTRICAL • Unit: % IACS | 7 % IACS | 7 % IACS |
| Liquidus Temperature · TYPICALCategory: THERMAL • Unit: °C | 1060 °C | 1054.4 °C |
| Solidus Temperature · TYPICALCategory: THERMAL • Unit: °C | 1040.6 °C | 1035 °C |
| Thermal Conductivity · TYPICAL · 20 °CCategory: THERMAL • Unit: W/(m·K) | 34.61 W/(m·K) | 39.11 W/(m·K) |
| Coefficient of Thermal Expansion (CTE) · TYPICALCategory: THERMAL • Unit: µm/(m·K) | 16.2 µm/(m·K) | 16.2 µm/(m·K) |
| Specific Heat Capacity · TYPICAL · 20 °CCategory: THERMAL • Unit: J/(kg·K) | 439.6 J/(kg·K) | 376.8 J/(kg·K) |
| Annealing Temperature Range · RANGECategory: THERMAL • Unit: °C | 621.1–704.4 °C | 593.3–704.4 °C |
| Hot Working Temperature Range · RANGECategory: THERMAL • Unit: °C | 815.6–898.9 °C | 787.8–926.7 °C |
6. Hardness Evaluation (Discrete Scales Preserved)No cross-scale mathematical conversion
| Hardness Scale | C63200 Nickel-Aluminum Bronze (Naval Alloy) | C63000 Nickel-Aluminum Bronze (AMS 4640) |
|---|---|---|
| Rockwell B Hardness · Forgings · 5 · Light Anneal (O50) · TYPICAL | 92 HRB | — |
| Rockwell B Hardness · Plate · 0.5 · Light Anneal (O50) · TYPICAL | 89 HRB | — |
| Rockwell B Hardness · Plate · 0.25 · Light Anneal (O50) · TYPICAL | 92 HRB | — |
| Rockwell B Hardness · Plate · 1 · Light Anneal (O50) · TYPICAL | 85 HRB | — |
| Rockwell B Hardness · Rod · 2 · Light Anneal (O50) · TYPICAL | 94 HRB | — |
| Rockwell B Hardness · Rod · 1 · Light Anneal (O50) · TYPICAL | 96 HRB | — |
| Rockwell B Hardness · Rod · 3 · Light Anneal (O50) · TYPICAL | 93 HRB | — |
| Rockwell B Hardness · Bar · 3 · As Hot Extruded (M30) · TYPICAL | — | 96 HRB |
| Rockwell B Hardness · Rod · 4 · As Hot Extruded (M30) · TYPICAL | — | 96 HRB |
7. Fabrication & Processing Comparison
C63200 Nickel-Aluminum Bronze (Naval Alloy) Characteristics:
Machinability: Machinability rating: 30% relative to free-cutting brass (C36000 = 100%). Forgeability rating: 70.
Weldability: Soldering: Fair; Brazing: Fair; Oxyacetylene Welding: Not Recommended; Gas Shielded Arc Welding: Excellent; Coated Metal Arc Welding: Good; Spot Weld: Good; Seam Weld: Fair; Butt Weld: Good
Formability / Cold Working: Capacity for Being Cold Worked: Fair. Capacity for Being Hot Formed: Good.
Heat Treatment & Annealing: Annealing temperature range: 621.1°C to 704.4°C (1150°F - 1300°F). Hot working temperature range: 815.6°C to 898.9°C (1500°F - 1650°F).
C63000 Nickel-Aluminum Bronze (AMS 4640) Characteristics:
Machinability: Machinability rating: 30% relative to free-cutting brass (C36000 = 100%). Forgeability rating: 75.
Weldability: Soldering: Not Recommended; Brazing: Fair; Oxyacetylene Welding: Not Recommended; Gas Shielded Arc Welding: Good; Coated Metal Arc Welding: Good; Spot Weld: Good; Seam Weld: Good; Butt Weld: Good
Formability / Cold Working: Capacity for Being Cold Worked: Poor. Capacity for Being Hot Formed: Good.
Heat Treatment & Annealing: Annealing temperature range: 593.3°C to 704.4°C (1100°F - 1300°F). Hot working temperature range: 787.8°C to 926.7°C (1450°F - 1700°F).