Diamond neck track bolts

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