SKL Elastic Rail Clips Clamp Oxide Black / Galvanize 60Si2Mn for Railway System
Commercial Name: Other steel materials for railway tramway tracks
Brand: SUYU
Supplier: Shanghai Suyu Railway Material Co.,ltd.
Address: Room 1737, Building 15, No. 201 Jinxiang Road, Pudong, Shanghai China 201206
HS Code: 73029 09000
Drawing
Rail fastening system
- Sleeve
- Rail pad
- Insulator
- Clamp
- Screw spike
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: spring steel
- 60Si2MnA
- 60Si2CrA
- 55Si2Mn
- 38Si7
Technical Parameter Table of Material
| 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 | |||
