What is the optimal material for E-type rail clip fasteners?

Dec 25, 2025 Leave a message

Rail clip is an important part of railway fastening system. The proper heat treatment process is necessary for producing high quality rail clips. A rail clip is an elastic part that connect with track bolt and rail tie plate to fasten steel rails, then a complete railway fastening system is made up, and these devices are all called rail fasteners. There are also other devices like rail clamp, rail spike and rubber rail pad, they can also make up other types of rail fastening systems for fastening steel rail.

 

E-type rail clip can provide durable alignment which can protect the steel rail and the fastenings from high pressure. The materials of e clip is spring steel which make e clip of high strength. There are many types of e clip: E1609, E1809, E1817, E2007, E2009, E2055, etc.

 

rail fastening

 

Model Diameter Material Under Pressure HRC Weight
E1609 Ø 16mm 60Si2MnA ≥950kg 44-48 0.43kg/pc
E1809 Ø 20mm 60Si2MnA ≥950kg 44-48 0.61kg/pc
E1813 Ø 18mm 60Si2MnA ≥950kg 44-48 0.62kg/pc
E2001 Ø 20mm 60Si2MnA ≥950kg 44-48 0.80kg/pc
E2009 Ø 20mm 60Si2MnA ≥950kg 44-48 0.80kg/pc
E2039 Ø 20mm 60Si2MnA ≥950kg 44-48 0.80kg/pc
E2007 Ø 20mm 60Si2MnA ≥950kg 44-48 0.80kg/pc
E2055 Ø 20mm 60Si2MnA ≥950kg 44-48 0.80kg/pc
E2056 Ø 20mm 60Si2MnA ≥950kg 44-48 0.80kg/pc
E2063 Ø 20mm 60Si2MnA ≥950kg 44-48 0.80kg/pc

 

What is the optimal material for E-type rail clip fasteners?

 

The optimal material for E-type rail clips is high-quality forged spring steel, specifically grades like 60Si2MnA, 60Si2CrA, or 38Si7, chosen for their exceptional strength, resilience, and fatigue resistance needed for demanding railway conditions. These alloys offer excellent mechanical properties, ensuring the clips provide durable rail alignment and maintain track stability under heavy loads and harsh environments, with hardness typically around 44-48HRC.

 

rail fasteners

 

Key Material Properties & Grades:


Spring Steel: Essential for elasticity and performance in quenched and tempered states.


60Si2MnA: A common, high-performance silicon-manganese spring steel grade.


60Si2CrA: Another robust option, incorporating chromium for enhanced properties.


38Si7: A standard grade providing the necessary elasticity and strength.

 

Material 60Si2MnA 60Si2CrA 55Si2Mn 38Si7
Chemical composition(%) C:0.56-0.64, Mn:0.60-0.90, Si:1.60-2.00, Cr:≤0.35, P:≤0.03, S:≤0.03 C:0.56-0.64, Mn:0.40-0.70, Si:1.40-1.80,Cr:0.70-1.00 P:≤0.03, S:≤0.03 C:0.52-0.60, Mn:0.60-0.90, Si:1.50-2.00,Cr:≤0.35 P:≤0.03, S:≤0.03 C:0.35-0.42, Mn:0.50-0.80, Si:1.50-1.80, P:≤0.03, S:≤0.03

 

What are the advantages of using e-rail elastic clip?

 

E-rail elastic clips offer advantages like enhanced safety, reduced maintenance, improved passenger comfort, and extended track life by securely fastening rails while absorbing vibrations and shocks, resisting creep, and handling thermal expansion, making them reliable for various applications. Their self-tensioning design and high strength from spring steel ensure lasting integrity, preventing rail movement, distortion, and derailments.

 

rail fasteners

 

GNEE RAIL offer an extensive range of rail clips with optimum quality, these rail clips are designed with high precision and made up of premium grade spring steel. GNEE has been the largest and most competitive production base of rail clip in China after more than 18 years' rail clip producing experience, and have qualification to tender nationally large and medium scaled rail projects. What's more, our rail clip can be customized according to clients' requirements.

 

For more information – Get in touch now!