We retain bettering and perfecting our merchandise and service. At the same time, we do the job actively to do research and improvement for Professional China Tzm Materials, As an expert specialized with this field, we have been committed to solving any problem of significant temperature protection for users.
We retain bettering and perfecting our merchandise and service. At the same time, we do the job actively to do research and improvement for Tzm, As an experienced manufacturer we also accept customized order and we could make it the same as your picture or sample specification. The main goal of our company is to live a satisfactory memory to all the customers, and establish a long term business relationship with buyers and users all over the world.
Chemical composition:
| Main and minor components | Min.content(%) | ASTM B386 (361) |
| Mo | Balance | 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 | 100 |
| W | 300 | - |
| C | 100-400 | 100-400- |
| H | 10 | - |
| N | 10 | 20 |
| O | 500 | 300 |
| Cd | 5 | - |
| Hg | 1 | - |
| Pb | 5 | - |
Dimensions and tolerances:
| Cold rolled sheets | |||
| Thickness(mm) | Thickness tolerace(±mm) | Maximal width(mm) | Width tolerace(±mm) |
| 0.30-0.50 | 0.028 | 300 | 1.0 |
| Hot rolled sheets | |||
| Thickness(mm) | Thickness tolerace(±mm) | Maximal width(mm) | Width tolerace(±mm) |
| 0.50-0.60 | 0.06 | 850 | 1.6 |
| 0.60-1.00 | 0.08 | 850 | 1.6 |
| 1.00-1.50 | 0.13 | 850 | 2.0 |
| 1.50-2.00 | 0.15 | 850 | 2.0 |
| 2.00-3.60 | 0.18 | 850 | 2.0 |
| 3.60-50.0 | 5% | 1000 | 2.0 |
Length tolerance:
The length tolerance for all dimension is maximal +5/-0 mm.
Flatness: max. 4 % (measuring procedure on the basis of ASTM B 386)
Density: ≥ 10.1 g/cm³
Vickers Hardness: 220-320 HV
Tensile Test:
| Thickness (mm) | Tensile StrengthMin. (MPa) | 0.2% Yield strengtMin.(MPa) | ElongationMin.(%) |
| 0.30-1.00 | 700 | 600 | 5 |
| 1.00-2.50 | 700 | 600 | 10 |
| 2.50-5.00 | 700 | 600 | 12 |
| 5.00-20.00 | 650 | 600 | 10 |
| 20.00-50.00 | 550 | 470 | 5 |
Appearance: The material will be of uniform quality, free from foreign mater, splits and fractures. Bed sheet (not trimmed) may have small edge cracks.
Surface defedts are assessed in the frame of visual inspection.
Surface condition: pickled.