35# 45# 40Cr Lag Bolt Railway Sleeper Screws Track Spikes NF F500-50
ZhongYue railroad spike, track spikes, screw spikes for railway
1. Introduce:A rail screw spike, also called sleeper screw, rail screw or lag bolt, is a medium or large metal screw used to fasten a rail base plate or rail. Such spikes are always fastened into holes bored into the tie sleeper, sometimes together with imbedded plastic dowels, popularly used for rails with wooden sleepers, especially in America and Canada.
2. Specification:
| Material | ||||
| Grade | 4.6 | 5.6 | 8.8 | 10.9 |
| Material | Q235 | 35# | 45# | 40Cr |
| Mechanical properties | Tensile strength: ≥400Mpa | Tensile strength:≥500Mpa | Tensile strength:≥800Mpa | Tensile strength:≥1000Mpa |
| Yield strength:≥240Mpa | Yield strength:≥300Mpa | Yield strength:≥640Mpa | Yield strength:≥900Mpa | |
| Elongation:≥22% | Elongation:≥20% | Elongation:≥12% | Elongation:≥9% | |
| Cold bending: 90 degree without crack | ||||
| Surface | plain (oiled), Oxide black, Zinc, HDG, wax, bitumen, Dacromet, Sherardizing |
|||
3. Advantage:
We are a leading and reputed manufacturer of qualified railway products in China since 2013, have got the production license of China’s Railway Ministry on railway products. We supply to Thailand Railway, Indonesia Railway, Zambia Railway, American Railway etc for years. We can customize your product with ASTM, DIN, BS, JIS, AS, NF, ISO and GB standard, competitive price available.
4. Order Hints:
MOQ: based on your product
Delivery time:Within 30days after order confirmed
Shipment: sea freight
Payment term: T/T 30% deposit, balance before shipment; LC
5. Our product range:
6. Photos for Reference
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.