Portable Webster Hardness Tester for Mild Steel W-B92 Application： A portable instrument which can perform on-site hardness test on soft metals in accordance with American Standard ASTM B647.Used to check the result of heat treatment and determine if the mechanical performace of the workpiece is acceptable.Suitable for testing the hardness of aluminium profiles, tubings,sheets and other shapes.Used for testing the with long or heavy workpieces or assemblies inconvenient to be sent to the labs.Ideal for qualification inspection on the production site. used to test soft steel such as stainless steel, cold-rolled steel sheets, etc. Specification: W-B92 Webster Hardness Tester is used to test stainless steel sheets and cold-rolled steel sheets in the manufacturing plant. Measuring Scope: 0-20HW Resolution: 0.5HW Weight: 0.5kg Application Range: Stainless steel trips,thin cold-rolled steel trips Hardness Range: 50-90HRB Specimen Dimension(mm): Thickness 0.4-6Inner; diameter>10 Standard Package: Tester,Standard hardness block,Calibration wrench,Spare indenter,Small Screwdriver,and Carrying case Optional Accessories: Standard hardness blocks,spare indenter,Calibration wrench,Dial glass and Spare dial head W-B92: used to test soft stainless steel sheets, cold-rolled steel, etc.