Alloy Square Bar, cold-drowing, Size:4*4--200*200 the material:20Cr,40Cr,35CrMo,42CrMo,38CrMoAl widespread in machine,medica Alloy Square Bar1,Surface finish: annealed2,Process method: cold drawn / bright annealed3,Size:4*4mm--200*200mm4.Material: 20Cr,40Cr,35CrMo,42CrMo,38CrMoAl etcPls send your tetailed requiry to us ,we will quote a comptitive price for you! 40Cr Alloy Square Bar