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.