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43kg Chinese standard U71Mn heavy steel rail
The drawing of profile section:
Materials:
U71Mn | Mechanical property | Chemical composition | |||||||||
Yield strength | Tensile strength | Elongation | Hardness | C | Si | Mn | S | P | |||
MPa | kg/mm² | MPa | kg/mm² | min | HB | ≤ | ≤ | ||||
880min | 9% | 260 | 0.65-0.77 | 0.15-0.35 | 1.10-1.50 | 0.04 |
0.04
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50Mn | Mechanical property | Chemical composition | ||||||||||||
Yield strength | Tensile strength | Elongation | Hardness | C | Si | Mn | S | P | Cr | Ni | Cu | |||
MPa | kg/mm² | MPa | kg/mm² | min | HB | ≤ | ≤ | ≤ | ≤ | ≤ | ||||
40 | 645min | 66 | 13% | 255max | 0.48-0.56 | 0.17-0.37 | 0.70-1.00 | 0.035 | 0.035 | 0.25 | 0.3 | 0.25 |
We can design railroad line as your request, also can build small type mining railway line and crane moving line, also can supply the all workable fasteners.
Heavy Rail
Size: 38kg/m,43kg/m,50kg/m
Length: 12-36m or Other Length Accord Requirement
Material: 50Mn/U71Mn
Standard: GB/T699-1999,GB2585-2007 or Other
Heavy rail | Height (mm) | Bottom width (mm) | Head width (mm) | Middle thickness (mm) | Length (m) | Weight (kg/m) | Standard |
38 | 134 | 114 | 68 | 13 | 12 | 38.73 | GB |
43 | 140 | 114 | 70 | 14.5 | 12 | 44.65 | TB |
50 | 152 | 132 | 70 | 15.5 | 12-25 | 51.51 | TB |
60 | 176 | 150 | 73 | 16.5 | 12-25 | 60.64 | TB |
75 | 192 | 150 | 75 | 20 | 12-25 | 74.41 | TB |
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