hardness
below20HRC for annealed, 29-50HRC for hardened and tempered process
Application
building tool,hand tool,garden tool, roller shutter
Length
strip or coil or sheet
Technique
hardened and tempered or annealed
Steel Grade
ck50,ck55,ck60,ck67,ck70,ck75
Surface Treatment
blue,yellow,polished,or unpolished