Audited Supplier
Ruding Rail offers a wide range of springs for freight wagon, passenger coach and locomotives, such as railway bogie springs, railway air brake cylinder springs, bogie suspension springs, coupler system buffer springs, etc.
All of our railway springs are AAR compliant.
We can customize train springs according to customers' requirements and specifications.
Specificaitons:
| Spring Type | Outside Diameter | Solid Height | Free Height | Capacity (lbs) | Scrap Free Height | Weight (lbs) |
| Side Spring | 3.50 | 6.56 | 10.75 | 4108 | 10.00 | 8.08 |
| Side Spring | 5.50 | 6.56 | 10.81 | 8642 | 10.00 | 19.53 |
| Primary Suspension Load Spring | 2.94 | 6.63 | 8.25 | 5386 | 7.94 | 7.03 |
| Primary Suspension Load Spring | 5.50 | 6.63 | 8.25 | 15959 | 7.94 | 23.76 |
| Primary Suspension Load Spring | 3.25 | 6.56 | 9.06 | 4299 | 8.63 | 7.66 |
| Primary Suspension Load Spring | 5.50 | 6.56 | 9.06 | 10721 | 8.63 | 21.33 |
| Primary Suspension Load Spring | 3.38 | 6.56 | 9.63 | 3433 | 9.06 | 7.75 |
| Primary Suspension Load Spring | 5.50 | 6.56 | 9.63 | 9128 | 9.06 | 20.24 |
| Primary Suspension Load Spring | 3.38 | 6.56 | 10.31 | 4204 | 9.63 | 7.82 |
| Primary Suspension Load Spring | 5.50 | 6.56 | 10.25 | 8266 | 9.63 | 19.6 |
| Primary Suspension Load Spring | 3.44 | 6.56 | 9.94 | 4707 | 9.31 | 8.28 |
| Primary Suspension Load Spring | 2.00 | 5.69 | 9.00 | 1536 | 8.38 | 2.5 |
Production Process:
spring load test--winding--Mechanical testing platform--Fix--Smoothing process--spraying process--heat treatment--at treatment process--packing--shipping
1. OEM and customized service.
2. Full machining, primer coating, surface treatment.
3. Complete material testing process.
4. Quality control
1.Are you the manufacuturer or trade company ?
We are the manufacturer for producing train wheel and railway parts.
And we have owned trading company to do the International Business, So that :
1)-We can supply good service with professional international trade experience.
2)-The price is much more competitive.
2.Q: How about your delivery time?
A: Generally, it will take 7-30 days after receiving your advance payment. The specific delivery time depends on the items, transportation ways and the quantity of your order.
3.Q: Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings.
4.Q: Do you test all your goods before delivery?
A: Yes, we have 100% Ultrasonic test, Magnetic test or Liquid Penetration test before delivery
5.Q: How do you make our business long-term and good relationship?
A: (1) We keep good quality and competitive price to ensure our customers benefit ;
(2) We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
If you have any questions, pls feel free to contact us.
