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Our company insists all along the quality policy of “product good quality is base of enterprise survival; buyer fulfillment will be the staring point and ending of an company; persistent improvement is eternal pursuit of staff” and also the consistent purpose of “reputation very first, shopper first” for Galvanized Aluminium Steel Sheet, Galvanized Steel Plate For Roofing, Galvanized Steel Sheet List, Our main objectives are to provide our customers worldwide with good quality, competitive price, satisfied delivery and excellent services. Customer satisfaction is our main goal. We welcome you to visit our showroom and office. We’re looking forward to establish business relation with you.
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.