tunnel bolt for the tunnel construction
0.5~0.8 USD
| Min. Order: | 1000 Piece/Pieces |
|---|---|
| Trade Term: | FOB |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 1000000 |
| Place of Origin: | Jiangsu |
Company Profile
| Location: | Suzhou, Jiangsu, China (Mainland) |
|---|---|
| Business Type: | Manufacturer |
| Main Products: | Dog Spike, Rail Bolt, Railway Fastener, Clip Bolt, Rail Clip Bolt |
Product Detail
| Means of Transport: | Ocean |
|---|---|
| Production Capacity: | 1000000 |
| Packing: | gunny bags+wooden pallets |
| Delivery Date: | 20 days |
Product Description
Name | railway tunnel bolt with square flange and round thread | |||
curve bolt, or the type by customers' drawings | ||||
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 | Cold bending: 90 degree without crack | Cold bending: 90 degree without crack | Cold bending: 90 degree without crack | |
Surface | plain (oiled), Oxide black, Zinc, HDG, wax, bitumen, Dacromet, Sherardizing | |||
Standard refers | UIC864-2 | |||
