Hubei Changyi Special Materials Technology Co., Ltd.

CY-D2 ESR

High-quality cold work die steel (roll blank)

Production Process Flow: EF+LF+VD+ESR+Forging+Heat Treatment

Chemical Composition (%):

C

SI

Mn

Cr

Mo

V

Co

P

S

Cu

Ni

1.40/1.60

≤0.60

≤ 0.60

11.0/13.0

0.80/1.10

0.75/0.95

Technical negotiation

≤0.025

≤0.010