Heavy Plain Steel Crane Rail With Precision rolling Raw material
Steel Crane Rail QU100 Chinese Standard U71Mn Railway Heavy Part
Commercial Name: Steel Rail
Brand: SUYU
Supplier: Shanghai Suyu Railway Material Co.,ltd.
Technical Parameter Table of Rail
|
Standard: YB/T5055-93 |
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|
Size |
Dimension(mm) |
Weight |
Material |
Length (m) |
|||
|
Head(mm) |
Height(mm) |
Bottom(mm) |
Web(mm) |
||||
|
QU 70 |
70 |
120 |
120 |
28 |
52.8 |
U71Mn |
12 |
|
QU 80 |
80 |
130 |
130 |
32 |
63.69 |
U71Mn |
12 |
|
QU 100 |
100 |
150 |
150 |
38 |
88.96 |
U71Mn |
12 |
|
QU 120 |
120 |
170 |
170 |
44 |
118.1 |
U71Mn |
12 |
Technical Parameter Table of Material
| Material | Chemical composition | Mechanical Properity | ||||||
| C | Si | Mn | P (max) | S (max) | Tensile strength | Elongation | Hardness | |
| % | % | % | % | % | Mpa | % | HB | |
| U71Mn | 0.65-0.76 | 0.15-0.35 | 1.1-1.4 | 0.04 | 0.04 | ≥880 | ≥9 | 240-270 |
Drawing
The Process Flow Chart of Steel Rolling And Quality Control
- Raw material
- Heating
- High-pressure water dephosphorization
- Primary rolling
- High-pressure wind dephosphorization
- Precision rolling
- Saw cutting
