Article:Tempered spring steel strap

Steel grade:50#.50Mn,65Mn T8 SK5

Place of origin:tangshan hebei china

Technique:cold rolled or Hardened and tempered  

Colour:white polished,Grayblue,natural colour

Hardness:46-48HRC,depand on customer

Surface treatment :polished

Standard of surface:no flaw, burr, rust.flatness,tolerance

Size:Thickness:0.56mm-1.4mm,width:25cm-150cm.

Length:100m, depand on customer

Package:outside packed with sack cloth 

Application:to be used in making shutter spring,woodworking band saw saw blade gaskets

Delivery time:30days after 30%deposit,depend on qty