Light truck bed

摘要

A mining truck bed is totally built of special antiabrasion steel and includes T-shaped bolsters. The bed does not require antiabrasion bed liners, and weighs less than a conventional steel bed equipped with a liner. The special antiabrasion steel has a chemical composition including: carbon 0.18/0.24; manganese 0.75/1.00; phosphorous 0.025 max.; sulfur 0.003 max.; silicon 0.20/0.40; chromium 1.60/1.80; nickel 0.50/0.85; molybdenum 0.20/0.30; titanium 0.01/0.10 min.; boron 0.001 min.; and aluminum 0.015 min.