PR309 Rail Clips
PR309 Rail Clips is part of the PR series, is also known as the PR 309 Tension Clamp or PR 309 Fastening Clip. It is designed to securely fasten rails to the track base or concrete ties, providing stability, alignment, and safety by maintaining the correct rail gauge and preventing rail movement. GNEE Rail is a premier supplier of rail fasteners, specializing in rail clips, spikes, fish plates, steel rails, and more. We offer a complete range of services, from research and development to design, manufacturing, installation, and after-sales support. With advanced technical expertise and state-of-the-art production equipment, we ensure that all our products are of the highest quality. Our products are trusted by railway bureaus, material plants, engineering departments, steel mills, coking plants, local railways, and mining operations across the country. We also offer customized solutions to fit your needs. Contact us to learn more.
PR309 Rail Clips specification
Type: PR309A Rail Clip
Brand: GNEE rail
Materials: 60Si2Mn, 60Si2Cr, 55SiMn, 38Si7
Hardness HRC 42-47
Fatigue life 3-5 million cycles
Surface: Plain Oiled, Oxygen Black, Zinc Plated, Hot Dip Galvanized, Dacro coating
Standard: GB/T 1222, DIN 17221
Application: Rail fastening system
PR309 Rail Clips material specification
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Name |
Elastic Rail Clip PR309 |
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Type |
E clip (e1809, e2006,e2007,e2009,etc) |
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Skl clip (skl1,skl3,skl12,skl14) |
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Or the type by customers' drawings |
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Material |
60Si2MnA |
60Si2CrA |
55Si2Mn |
38Si7 |
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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 |
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Hardness |
For e clip: 44-48HRC For skl clip: 42-47HRC |
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Fatigue life |
for Dia.18 is 3 millions cycles without breaking for Dia.20 is 5 millions cycles without breaking |
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Surface |
plain (oiled), Oxide black, color painting, HDG, Zinc Plating... |
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Standard refers |
DIN17221, BS970, GB/T1222 |
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