Zhongbo Railway Fastening co.,Ltd can supply the railroad products with track bolts, hook bolts, hex bolts, oval neck bolts, diamond neck bolts and square bolts.We manufacture these products according to Standard AREMA, UIC, DIN, BS, GOST, NF, JIS, GB/TB, AS or required specification from clients.F......
Item | Cup head oval neck fish bolt | |||
Type | Cup head oval neck fish bolt | |||
Square head fish bolt | ||||
Bitish standard track bolt | ||||
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 | AS, BS 64, DIN, AREMA/SAE,NF,JIS |