1.High quality raw material 2.Strictly quality control system 3.Guarantee delivery time

1.We are directly forging factory 2.High quality raw material 3.Strictly quality control system 4.Guarantee delivery time

 We ZYGZ company can forge many kinds of  forgings, such as drilling tools,steel round bars, shafts, rollers, moulds and so on. We professional and believable manufactory.  

1. We pruchase steel ingot from Chinese well known and qualified steel factory

2.Melting process: EAF + LF +VD

3.Each product can be traceable. QC die-stamp the exclusive serial No. on both ends of the raw material, and perform inspection after each producing processing and keep the record acc. to QMS.

4.We are manufactory and we have skilled production team ande technology tem.

5.We do professional inspection after each process and also we accept third party inspection.

  

4330V Chemical Component
Chemical	C	Si	Mn	P,S	Cr	Mo	Ni	V	Cu	Al
4330V	0.29-0.36	0.15-0.30	0.50-0.65	≤0.015	0.90-1.10	0.45-0.65	2.20-2.50	0.05-0.15	≤0.20	≤0.040