|
Name
|
Rail Screw Spike
|
|
Type
|
Ss5.-150
|
V20-135
|
|
Ss8-140
|
V23-115
|
|
Ss8-150
|
V23-135
|
|
Ss8-160
|
V23-155
|
|
Ss23-160
|
V23-215
|
|
Ss25.-165
|
V26-115
|
|
Ss35.-161
|
|
|
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
|
ISO898-1, UIC864-1, and NF F500-50
|
