SAE4140 forged steel round bars

Material:SAE4140 Finish:Forged Size:diameter 200mm Usage:use for many kinds of machines for factories. 1.About ourproducts: 1)The bars ars with UT,standard as SEP 1921 C/C CLASS or ASTM-338 or other standard as your require. 2)Both black surface with peeled and bright surface with machined. 3)Q+T as your require 2.About our company: 1)Experience:We have about 6 years experience of doing export. 2)Market:South America,South-east Asia,Europer and so on.