What Is CR100 Heavy-Duty Crane Rail?
CR100 Rail from GNEE Rail is a heavy-duty crane rail manufactured according to JIS standard specifications. With a theoretical weight of 100.2 kg/m, CR100 crane rail features a heavy-duty rail section designed for high wheel loads, improved structural stability, and long-term crane operation. It is widely used in port container terminals, steel mills, shipyards, mining facilities, and other heavy industrial crane runway systems.
drawing of CR100 Crane Rail
Specification of cr100 rail profile
According to JIS E1103-93/JIS E1101-93, CR100 Rail features a rail height of 150 mm, base width of 155 mm, head width of 120 mm, waist thickness of 39 mm, and a nominal weight of 100.20 kg/m. Compared with CR73 Rail, CR100 has a larger cross-section with a wider head, thicker web, and higher weight.
These enhanced dimensions provide greater load-bearing capacity, improved bending resistance, and better stability under heavy wheel loads, making CR100 Rail suitable for heavy-duty crane systems in ports, steel mills, shipyards, and mining facilities. CR73 Rail is generally selected for applications with lower load requirements.
| JIS E1103-93/JIS E 1101-93 | Rail Height (mm) | Base Width | Head Width (mm) | Waist Thickness (mm) | Nominal Weight (kg/m) |
| CR73 | 135.00 | 140.00 | 100.00 | 32.00 | 73.30 |
| CR100 | 150.00 | 155.00 | 120.00 | 39.00 | 100.20 |
material of CR 100 rail
GNEE RAIL manufactures CR100 Rail using U71Mn rail steel, offering high strength, wear resistance, and durability for heavy-duty crane applications. U71Mn features a yield strength of ≥390 MPa, tensile strength of ≥880 MPa, and elongation of ≥9%. Its controlled carbon and manganese composition enhances hardness and impact resistance, ensuring reliable performance in crane runway systems for ports, steel mills, shipyards, and other heavy industrial applications.
| 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 | |||
GNEE Rail supports customized CR100 Rail processing requirements, including rail cutting, drilling, surface treatment, and export packaging. Each CR100 Rail order is supplied with Mill Test Certificates (MTC) and inspection records for material traceability and quality verification. Contact GNEE Rail for CR100 Rail datasheets, technical specifications, and project quotations.
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