1. hardened and tempered stainless steel strip. 2. thickness from 0.15mm to 2.5mm 3. wideness from 8mm to 200mm. hardened and tempered stainless steel strip 3cr13 6cr13 .1. cold rolled hardened and tempered treatment.2. thickness from 0.15mm to 2.5mm.3. wideness from 8mm to 200mm.4. hardeness up to 55hrc.5. usage for construction tools, such like trowels and putty knives, and blades hardened and ...