Popular Design for Polished Molybdenum Bar Rod
With advanced technologies and facilities, strict high-quality handle, reasonable rate, superior services and close co-operation with prospects, we are devoted to furnishing the best price for our customers for Popular Design for Polished Molybdenum Bar Rod, By way of more than 8 years of business, we’ve got accumulated rich experience and advanced technologies while in the generation of our items.
With advanced technologies and facilities, strict high-quality handle, reasonable rate, superior services and close co-operation with prospects, we are devoted to furnishing the best price for our customers for Molybdenum, Molybdenum Bar, Molybdenum Rod, The working experience in the field has helped us forged a strong relations with customers and partners both in domestic and international market. For years, our products have been exported to more than 15 countries in the world and have been widely used by customers.
Molybdenum rods Chemical composition:
| Main and minor components | Min.content(%) | ASTM B386 (361) |
| Mo | 99.95 | balance |
| Impurities | Max.values (μg/g) | Max.values (μg/g) |
| Al | 10 | - |
| Cu | 20 | - |
| Cr | 20 | - |
| Fe | 20 | 100 |
| K | 20 | - |
| Ni | 10 | 50 |
| Si | 20 | 100 |
| W | 300 | - |
| C | 30 | 100 |
| H | 10 | 20 |
| N | 10 | 70 |
| O | 40 | - |
| Cd | 5 | - |
| Hg | 1 | - |
| Pb | 5 | - |
Dimensions and tolerances:
| Diameter (mm) | Diameter tolerance (mm) |
| Ground | |
| 0.50-0.99 | ±0.007 |
| 1.00-1.99 | ±0.010 |
| 1.00-2.99 | ±0.015 |
| 3.00-15.9 | ±0.020 |
| 16.0-24.9 | ±0.030 |
| 25.0-34.9 | ±0.050 |
| 35.0-3939 | ±0.060 |
| ≥40.0 | ±0.20 |
| Cleaned | |
| 0.50-4.0 | ±2.0% |
| 4.10-10.0 | ±1.5% |
| 15.0-50.0 | ±0.30 |
| 51.0-75.0 | ±0.40 |
| 75.1-120.0 | ±1.00 |
| 121.0-165.0 | ±1.50 |
| Turned | |
| 40.0-49.9 | ±0.30 |
| 50.0-165.0 | ±0.40 |
Length and straightness:
| Diameter (mm) | Production length (mm) | Stiraightness/Meter (mm) | |
| Cleaned | Ground/turned | ||
| 0.50-0.99 | ＞500 | ＜2.5 | ＜2.5 |
| 1.00-9.90 | ＞300 | ＜2.0 | ＜1.5 |
| 10.0-165.0 | ＞100 | ＜1.5 | ＜1.0 |
Length tolerance:
| Diameter 0.50-30.0 mm | ||||||
| Nominal length (mm) | 6-30 | 30-120 | 120-400 | 400-1000 | 1000-2000 | ＞2000 |
| Length tolerance(mm) | ±0.2 | ±0.3 | ±0.5 | ±0.8 | ±1.2 | ±2.0 |
| Diameter ＞30.0 mm | ||||||
| Nominal length (mm) | 6-30 | 30-120 | 120-400 | 400-1000 | 1000-2000 | ＞2000 |
| Length tolerance(mm) | ±1.0 | ±1.5 | ±2.5 | ±4.0 | ±6.0 | ±8.0 |
Density:
1. 00.50-40.0 mm ≥10.15g/cm³
2. 40.1-80.0 mm ≥10.10g/cm³
3. 80.1-120.0 mm ≥10.00g/cm³
4. 120.1-165.0 mm ≥9.90g/cm³
Nondestructive testing: For diameters＞15.00 mm:100% ultrasonic testing; For diameters of 0.50-50.0mm:Eddy curent tests on rods with ground surface.
| Diameter(mm) | Tensile strength(MPa) | 0.2% Yield Strength(MPa) | Elongation(%) | Hardness(HV 10) |
| 0.50-3.18 | ≥585 | ≥450 | ≥15 | |
| 3.18-10.30 | ≥515 | ≥380 | ≥15 | |
| 10.32-22.20 | ≥620 | ≥515 | ≥18 | 230-280 |
| 22.20-28.60 | ≥585 | ≥480 | ≥15 | 225-270 |
| 28.60-47.60 | ≥515 | ≥450 | ≥10 | 215-260 |
| 47.60-73.00 | ≥480 | ≥415 | ≥10 | 210-250 |
| 73.00-88.90 | ≥450 | ≥380 | ≥10 | 205-240 |
| 89.00-120.9 | ≥450 | ≥380 | ≥5 | 200-240 |
| 121.0-164.9 | ≥450 | ≥380 | ≥5 | 180-240 |
| 165.0 | ≥450 | ≥380 | ≥- | 180-240 |
Surface condition:
| Surface： | Cleaned | Ground | Turned |
| φ0.50-165mm | φ0.50-50.00mm | φ≥40.00mm | |
| Roughness | Diameter (mm) | Ra (μm) Ground | Ra (μm) Turned |
| ≤2.50 | ≤0.80 | - | |
| 2.5-50.0 | ≤1.00 | - | |
| ≥40.0 | - | ≤3.2 |
