Steel square can be made of steel of various grades:
carbon - St3, St20, St35; St45
low alloyed - Steel 40X, Steel 40XH;
high-alloyed - 08 18 10; 40XH2MA; 38XH3MA; 14 17�?2 and others high-speed - U7; U7A; U8A
Supplier: Products made of steel, iron, stainless steel plates,
stainless steel checkered plate, carbon steel plates, stainless steel bars, pvd coating stainless steel sheet, hot rolled carbon steel round bars, galvanized steel plates, mild steel round bars, color coated corrugated sheet, galvanized roofing sheets, ms square bars