factory Outlets for Molybdenum Connecting Threaded Rod
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We support our purchasers with ideal good quality merchandise and superior level provider. Becoming the specialist manufacturer in this sector, we have now acquired prosperous practical experience in producing and managing for Molybdenum Connecting Rod, Molybdenum Rod, Molybdenum Threaded Rod, Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
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 |