Materials applied for expanded metals include carbon steel, stainless steel, nickel, aluminum, titanium, copper and other metals. Finish treatment of expanded metal can be hot-dipped galvanized, electro galvanized or plain steel.
Heavy expanded metal figures:
 Long way of mesh: 25-200mm 
 Short way of mesh: 11-100mm 
 Thickness: 0.5-8mm 
 Expanded metal mesh at length from 300-6000mm and width from 200-2000mm
Application:
 Heavy expanded metal can be used as step mesh of oil tanks, working platform, corridor and walking road for heavy model equipment, boiler, petroleum and mine well, automobile vehicles, big ships. Also serve as reinforcing bar in construction, railway and bridges.
Heavy Type Hexagonal Shaped Expanded Metal, also known as Tortoise-shaped expanded metal, is a heavy-type expanded metal, reinforced compared with the regular diamond shaped expanded metal products.
                                                          
Expanded Metal Grating is a heavy-duty typed expanded metal, made of steel plate which is slit and expanded in a cold-drawing operation.  Designed especially for use as a lightweight open steel flooring, is ideal for flooring, catwalks, platforms and stair treads, where principal use is for light storage and foot traffic.  Its low cost and light weight, combined with high strength, make for a  most economical construction.