1. Standard: DIN; GB, GOST, AISI, etc.
2. Certification: ISO9001, Form E, Form A, CO
3.Report: Material Report; Hardness Report; UT/MT Report; Dimensions checking report; Mechanical Property Test Report
Medium Carbon Steel: 35#, 45#, 50#
Alloy Steel:40CrNiMo, 35SiMn, 42CrMo, 35CrMo
Cast Iron: HT250,QT400
DIN GB ISO JIS BA ANSI
Integral Quenching,Carburizing Quenching ,Tempering ,
Be widely used in all kinds of transmission, speed changing, rotation and
A: We are factory.
A: Generally it is 30~45 days. or it is according to quantity and technical requirement
A: Yes, we could offer the sample.But it is not for free.