GB Heavy Rail

GB 38kg 43kg 50kg 60kg 70kg Heavy Rail

GB 38kg 43kg 50kg 60kg 70kg Heavy Rail

Specification: GB 38kg 43kg 50kg 60kg 70kg.

Standard:GB2585-2007

Material:50Mn, U71Mn

Length: 12.5m

GB 38kg 43kg 50kg 60kg 70kg Heavy Rail Sketch