MRS87B Crane Rail
The MRS87B crane rail—also known as CR175 or TR87—is a heavy-duty rail profile engineered for industrial crane applications. Weighing 86.8 kg/m with equal base and height dimensions of 152.4 mm, it complies with both AISI and ASTM standards. Its wide base and thick web deliver excellent load distribution and wear resistance, ensuring reliable performance in steel mills, ports, warehouses, and mining sites. Widely adopted across the Americas, the MRS87B rail provides stable, long-lasting support for demanding crane operations.
MRS87B Rail Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Rail Size | MRS87B / CR175 /TR87 | Rail Type | Crane Rail |
| Standard | ASTM A759 | Material | U71Mn, 900A |
| Rail Height | 152.4 mm | Head Width | 107.95 mm |
| Bottom Width | 152.4 mm | Web Thickness | 38.10 mm |
| Weight | 86.80 kg/m, 175lb/yd | Length | 12-24 m or customized |
For custom lengths or higher-strength materials, please contact our team for tailored production solutions.
MRS78B CR175 Rail Material Strength
| U71Mn | 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 | ≤ | ≤ | ≤ | ≤ | ≤ | ||||
| ≥880 | 9% | 0.65-0.76 | 0.15-0.35 | 1.10-1.40 | 0.03 | 0.03 | 0.25 | 0.25 | 0.25 | |||||
| 900A | Mechanical Property | Chemical Composition(%) | |||||||||
| Yield strength | Tensile strength | Elongation | Hardness | C | Si | Mn | S | P | |||
| MPa | kg/mm² | MPa | kg/mm² | min | HB | ≤ | ≤ | ||||
| — | — | 880-1030 | — | 10% | — | 0.60-0.80 | 0.10-0.50 | 0.80-1.30 | 0.040 | 0.040 | |
MRS87B Crane Rail Application
The MRS87B crane rail (CR175/TR87) is designed to handle extreme loads and continuous operation, making it a preferred choice for heavy industrial environments. Its robust profile provides excellent stability, wear resistance, and long service life in demanding applications.
Steel Mills – Supports ladle cranes and overhead cranes for continuous, high-capacity steel handling. Its strength and durability reduce downtime in critical production processes.
Ports & Terminals – Provides stable rail guidance for gantry cranes in container handling and bulk cargo operations. The wide base ensures safe movement even under fluctuating coastal conditions.
Warehouses & Logistics – Ensures smooth crane movement for heavy material storage and distribution centers. Reliable rail performance improves efficiency and lowers maintenance costs.
Mining Operations – Withstands harsh environments and heavy-duty cycles in ore handling and transport systems. Its wear resistance extends service life despite abrasive and dusty conditions.
MRS87B CR175 Rail Customization Services
We provide custom CR175 rail solutions, including specific lengths, drilled holes, bends, surface treatments, and end machining to match your project needs.
Why Choose US
ASTM MRS87B Rail for sale
Standards Compliance – Manufactured to AISI & ASTM requirements, ensuring strength, safety, and reliability.
Proven Performance – Widely applied in steel mills, ports, warehouses, and mining operations across the Americas.
Custom Processing – Available in tailored lengths with drilling, cutting, welding, and protective coatings.
Durable & Efficient – Heavy-duty profile provides excellent load distribution and wear resistance, reducing maintenance costs.
Secure Logistics – Rails are packaged and shipped with care for safe, on-time delivery worldwide.
Expert Support – Technical team available to assist with rail selection, installation, and ongoing maintenance.
MRS87B Crane Rail Shipment Showcase



Each batch of MRS87B (CR175/TR87) crane rails is carefully processed, packaged, and inspected before dispatch. From steel mills to ports and mining sites, our rails are shipped worldwide with reliable logistics support, ensuring customers receive products on time and in perfect condition.
Partner with Glory Rail for dependable supply and proven delivery capability.