CR73 steel Rail
The CR73 rail is a specialized heavy-duty crane rail designed for high-load crane runways used by gantry cranes, steel mill cranes, stacker reclaimers, and port material handling equipment. Manufactured in accordance with applicable Japanese Industrial Standards (JIS), the CR73 profile features a 140 mm rail head, a 100 mm base, and a nominal weight of 73.30 kg/m, providing stable wheel contact and reliable performance under high axle loads.
CR73 Rail Dimension：
| Model | DIMENSION | Weight | Material | Length | |||
| A(mm) | B(mm) | C(mm) | t(mm) | (KG/M) | (m/PC) | ||
| CR 73 | 100 | 135 | 140 | 32 | 73.3 | U71Mn | 10-12 |
Rail CR73 Drawing：
Commonly manufactured from U71Mn carbon-manganese steel, the CR73 rail offers the strength and wear resistance required to withstand repeated heavy wheel loading while reducing rail wear and maintenance requirements. It is widely used in ports, steel plants, mining operations, and other industrial facilities where long-term durability and dependable crane operation are critical.
GNEE RAIL supplies CR73 crane rails for ports, steel plants, mining operations, and other heavy-duty industrial projects. In addition to standard rail lengths, we offer custom cutting, drilling, matching fastening systems, Mill Test Certificates (MTCs), and export-ready packaging to simplify international procurement and ensure reliable project delivery.
| Mechanical Property | Chemical Composition (%) | |||||||||||||
| U71Mn | Yield strength | Tensile strength | Elongation | Hardness | C | Si | Mn | S | P | Cr | Ni | Cu | ||
| MPa | kg/mm² | MPa | kg/mm² | min | HBW | |||||||||
| ≥390 | ≥40 | ≥880 | 9% | 0.65-0.76 | 0.15-0.35 | 1.10-1.40 | ≤0.030 | ≤0.030 | ≤0.250 | ≤0.250 | ≤0.250 | |||
Tell us your application, required dimensions, or project specifications. Our team will recommend a suitable CR73 rail solution and provide a quotation based on your requirements.
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