Railway high tensile oval neck black oxide fish bolts 8.8 with nut
Railway high tensile oval neck black oxide fish bolts 8.8,10.9 with nut
Fish bolts are used to fasten rail ends together at a joint. The sizes of fish bolts are varying with the requirements of the section of rail. The proper diameter and length of the track bolt can be determined by checking the applicable railway standard.
Grade : 4.6.4.8.5.6.8.8.10.9.12.9
| 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 | |||
| STANDARD REFERS | UIC 864-2 | |||
Packing
We are a leading and reputed manufacturer of qualified railway fasteners in China since 2003, with it's headquarter in Shanghai and factory in KunShan city. We are qualified supplier of Kazakhstan Railway, Zambia Railway, Thailand Railway, Indonesia Railway, American Railway, Canada Railway etc, supplying all kinds of railway material to them for years. We can produce according to international standards like ASTM, DIN, BS, JIS, AS, NF, ISO, GB. Besides, we have our own high standard R&D department, willing to develop all kinds of non-standard products according to customers' drawings or samples.
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