Our eternal pursuits are the attitude of “regard the market, regard the custom, regard the science” as well as the theory of “quality the basic, have confidence in the very first and management the advanced” for Manufacturer of Tzm Molybdenum Rod For Temperature Alloy Steel, We invites you and your company to thrive together with us and share a dazzling foreseeable future in world-wide market place.
Our eternal pursuits are the attitude of “regard the market, regard the custom, regard the science” as well as the theory of “quality the basic, have confidence in the very first and management the advanced” for Molybdenum Alloy, Molybdenum Alloy Steel, Tzm Rod, Our staffs are rich in experience and trained strictly, with specialist knowledge, with energy and always respect their customers as the No. 1, and promise to do their best to supply the effective and individual service for customers. The Company pays attention to maintaining and developing the long-term cooperation relationship with the customers. We promise, as your ideal partner, we are going to develop a bright future and enjoy the satisfying fruit together with you, with persisting zeal, endless energy and forward spirit.
TZM rods
Chemical composition:
| Main and minor components | Min.content(%) | ASTM B386 (361) |
| Mo | blance | balance |
| Ti | 0.40-0.55% | 0.40-0.55% |
| Zr | 0.06-0.12% | 0.06-0.12% |
| 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 | 50 |
| W | 300 | - |
| C | 100-400 | 100-400 |
| H | 10 | - |
| N | 10 | 20 |
| O | 500 | 300 |
| 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. 0.50-40.0 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.
| Diameter(mm) | Tensile strength(MPa) | 0.2% Yield Strength(MPa) | Elongation(%) | Hardness(HV 10) |
| 0.50-4.76 | - | - | - | - |
| 4.76-22.20 | ≥790 | ≥690 | ≥18 | |
| 22.20-28.60 | ≥760 | ≥655 | ≥15 | 260-320 |
| 28.60-47.60 | ≥690 | ≥585 | ≥10 | 250-310 |
| 47.60-73.00 | ≥620 | ≥550 | ≥10 | 245-300 |
| 73.00-120.9 | ≥585 | ≥515 | ≥5 | 240-290 |
| 121.0-165 | ≥585 | ≥515 | ≥5 | 220-280 |
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 |