
SKL14 Railway Fastening System
One set of SKL14 including:
A) 4 units of Tension clamp SKL14
B) 4 units of Screw Spike Ss8 24*160
C) 4 units of Insulator Wfp14
D) 4 units of Plastic dowel Sdu9 24*165
E) 2 unit of Rail Pad
F) 4 units of Flat Washer ULS7
Technical Parameters
Part name | Type | Material | Finish | Remark |
SKL14 tension clip | Dia. 13mm | 60Si2MnA | Plain oiled, color painting, or the other required ones. | Hardness: 42-47HRC Fatigue test: When the clip spring deflection reaches 9.1mm and the swing deflection is 1.42mm, the fatigue life will be 5 millions cycles without breaking. Standard: DIN17221, GB/T1222 |
Ss35 screw spike | M24×150mm M24 ×160mm M24×180mm | Grade 4.6: Q235 Grade 5.6: 35# Grade 8.8: 45# | Plain oiled, black oxide, galvanized, hot dip galvanized, Dacromet and sherardized | Standard: ISO898-1, UIC864-1 and NF F500-50 |
Plain washer | Uls7 | Q235 | Plain oiled, black oxide, galvanized, hot dip galvanized, Dacromet and sherardized | Standard: EN10025, EN10139 |
Plastic dowel | For different sizes of screw spike | HDPE, Reinforced Nylon 66 (PA66) | Black, blue, yellow, green or other color | For insert into concrete sleeper |
Guide plate | UIC54, UIC60, 50kg rail, 60kg rail, and other sizes as ordered | Reinforced Nylon 66 (PA66) | Black, blue, yellow, green or other color | Different designs are available. |
Rail pad | UIC54,UIC60, and size as ordered | EVA, or rubber | Black, blue, yellow, green or other color |
Produce Process
Clip Production Process | |
1 | raw material |
2 | shearing |
3 | heating to forging temperature (950-1000 degrees celsius) |
4 | forming |
5 | hardening |
6 | tempering below 350 degrees celsius |
7 | inspection |
8 | packing |
Material Choice for SKL14 tension clamp: spring steel
Other SKL Series' Technical Parameter
SKL Series | SKL1 | SKL3 | SKL12 | SKL14 |
Material | 60Si2MnA | 60Si2CrA | 55Si2Mn | 38Si7 |
Chemical composition(%) | C:0.56-0.64, | C:0.56-0.64, | C:0.52-0.60, | C:0.35-0.42, |
Mn:0.60-0.90, | Mn:0.40-0.70, | Mn:0.60-0.90, | Mn:0.50-0.80, | |
Si:1.60-2.00, | Si:1.40-1.80, | Si:1.50-2.00, | Si:1.50-1.80, | |
Cr:≤0.35, | Cr:0.70-1.00 | Cr:≤0.35 | ||
P:≤0.03, | P:≤0.03, | P:≤0.03, | P:≤0.03, | |
S:≤0.03 | S:≤0.03 | S:≤0.03 | S:≤0.03 | |
Hardness | 42-47HRC | |||
Fatigue life | for Dia.18 is 3 millions cycles without breaking | |||
for Dia.20 is 5 millions cycles without breaking |
Surface Treatment
Inspection machine
Package
Application
Other Types
Same series | SKL1 |
SKL2 | |
SKL3 | |
SKL12 | |
SKL14 | |
General series | E type |
Nabla type | |
KP / KPO type | |
Special series | PR type |
Deenik type | |
Russian type | |
Fats clip | |
Gauge lock clip |
Sale Range
Quotation necessity
Suzhou Zhongyue Railway Material Co.,Ltd.
Founded in 2013, located at No.199 Huanlou Road, development zone Kunshan city, we Suzhou Zhongyue Railway Material Co., Ltd. Is a leading and reputed manufacturer of qualified railway fasteners in China.
We are certified by ISO 9001:2008. We have a complete set of
inspection equipments to strictly control the quality of each
production procedure and make sure all the products reach the
international standards and customers’ requirements.
ZY team is composed of high professional senior engineers,
professional technicians and a group of highly experienced
operation workers, this is the strong guarantee of our products
quality. We have our own R&D team, after-sales service team and
quality-assurance team with the most advance technology and
management concepts.
With advanced technology, comprehensive testing facilities,
excellent management team and powerful processing capacity, our
products have been exported worldwide. After many times of
inspections by BV, SGS,ABS etc, our products have been well
recognized by our customers. We are qualified supplier of
Kazakhstan Railway, Thailand Railway, Zambia Railway, Indonesia
Railway, Malaysia Railway, Sweden Railway, New Zealand Railway,
American Railway, Canada Railway etc, supplying all kinds of
railway material to them for many years without any quality
complaint.
We not only can produce according to International standards,
customers’ drawings and samples, but also can provide design
proposal by our own high standard R&D department.
With the principles of quality first and customers first, ZY Rail
enjoys bulk popularity and high reputation at home and abroad,
while having many customers all over the world. With powerful
strength and broad vision, ZY rail is moving towards
internationalization of enterprises.