DIN 536-1 A55 Crane Rail
DIN 536 A55 Crane Rail is a European-standard hot-rolled flat-bottom crane rail designed for medium-duty crane runway systems. It is manufactured according to DIN 536-1:1991 and features a compact profile with a 65 mm rail height, 150 mm base width, and 31.80 kg/m nominal weight.
| Type of Rail | Dimensions mm | Weight(Kg/m) | |||
| Rail height | Bottom Width | Head Width | Web Thickness | ||
| A45 | 55 | 125 | 45 | 24 | 22.1 |
| A55 | 65 | 150 | 55 | 31 | 31.8 |
| A65 | 75 | 175 | 65 | 38 | 43.1 |
| A75 | 85 | 200 | 75 | 45 | 56.2 |
| A100 | 95 | 200 | 100 | 60 | 74.3 |
| A120 | 105 | 220 | 120 | 72 | 100 |
| A150 | 150 | 220 | 150 | 80 | 150.3 |
The wide base design provides stable load distribution and helps reduce contact stress between the rail and supporting structure. The low-profile geometry makes A55 rail suitable for applications where installation height is limited while reliable crane wheel guidance and operational stability are required.
GNEE RAIL supplies DIN 536 A55 crane rails with EN 10204 3.1 Mill Test Certificates (MTC), dimensional inspection records, and export-standard packaging. Matching rail fastening components, cutting, drilling, and customized processing services are available according to project requirements.
Why Choose GNEE RAIL A55 Crane Rails?
- Material Traceability: Heat numbers, mill tags, and batch records are provided for full product traceability.
- DIN Compliance: Manufactured according to DIN 536-1:1991 and available with EN 10204 3.1 MTC.
- Custom Processing: Cutting, drilling, and end machining are available based on project drawings.
- Export Supply: Anti-corrosion packaging and export-standard loading support reliable global delivery.
DIN 536 A55 Crane Rail Material Grades
According to DIN 536-1, crane rail steel grades are classified by minimum ultimate tensile strength :
DIN536 chemical composition analysis
| Grade | Standard | C | Si | Mn | P | S | V |
| 690 | DIN536-1 Min | 0.4 | – | 0.8 | – | – | – |
| Max | 0.6 | 0.35 | 1.2 | 0.045 | 0.045 | – | |
| 880 | DIN536-1 Min | 0.6 | – | 0.8 | – | – | – |
| Max | 0.8 | 0.5 | 1.3 | 0.045 | 0.045 | – |
The strength requirements
| Grade | Minimum yield(Mpa) | Minimum UTS(Mpa) | Hardness(HBN) |
| 690 | 355 | 690 | 204 |
| 880 | 440 | 880 | 260 |
Material Options Supplied by GNEE RAIL
50Mn Steel (Medium-Duty Applications)
| 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 | ≤ | ≤ | ≤ | ≤ | ≤ | ||||
| ≥645 | 13% | 0.48-0.56 | 0.17-0.37 | 0.70-1.00 | 0.035 | 0.035 | 0.25 | 0.25 | 0.25 | |||||
U71Mn Steel (Heavy-Duty Applications)
| 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 | 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 | |
Request Material Recommendation
GNEE RAIL can also supply A55 crane rails in alternative steel grades according to project requirements, supporting customized solutions for different load conditions, operating environments, and technical standards.
Compatible Rail Fastening Systems & Accessories for A55 Crane Rail
GNEE RAIL supplies compatible fastening components designed for DIN 536 A55 crane rail systems, including:
- Rail Clips: Weldable or bolted rail clips provide secure rail fixation while allowing controlled thermal expansion.
- Rail Pads: Elastic rubber rail pads reduce vibration, distribute wheel loads, and protect the rail-support interface.
- Fishplates & Joint Bars: High-strength joint bars and track bolts enable reliable rail connections for non-welded installations.
- Sole Plates & Bed Plates: Machined steel baseplates support A55 rail installation on concrete foundations or steel structures.
Request A55 Fastening System Support
Frequently Asked Questions
Q1: What is the weight of DIN 536 A55 crane rail?
A: The theoretical weight of DIN 536 A55 crane rail is 31.80 kg/m (approximately 21.37 lbs/ft).
Q2: What are the standard lengths of A55 crane rails?
A: Standard supply lengths are 10 m and 12 m. GNEE RAIL can provide customized cutting lengths according to project requirements and container loading plans.
Q3: Which material grade is suitable for A55 crane rail?
A: Grade 690 is suitable for general crane applications. Grade 880 or U71Mn is recommended for heavy-duty operations, high wheel loads, and abrasive environments requiring higher wear resistance.
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