Hubei Changyi Special Materials Technology Co., Ltd.

CY-136 ESR

Pre-hardened and tempered plastic mold steel

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

Chemical composition (%):

C

SI

Mn

Cr

Mo

Ni

V

P

S

0.35/0.40

0.90/1.10

0.40/0.60

13.0/14.0

0.25/0.45

0.25/0.40

0.15/0.25

≤ 0.025

≤0.010

 

Main characteristics: Better corrosion resistance than 1.2083, good machinability, good quenching stability and hardenability, high wear resistance. Low deformation rate, and additionally, high polishing performance and surface finish.

Main applications: Corrosion-resistant materials, such as PVC production molds, wear-resistant and filler molds, thermosetting plastic extrusion molds, long-life molds, such as disposable tableware, as well as the production of optical product components and medical device supplies.

Purity: Complies with ASTM E45 Method A: A sulfide, B oxide, C silicate ≤ 1.0, D spherical oxide ≤ 2 standards, and DIN 5062-K1 ≤ 10 standards, or customized according to customer standards.

Microstructure: Meet the requirements of GB/T1299-2014 standard and GB/T 13298-2015 qualification standard.

Gas content: [H] ≤ 1.5ppm, [O] ≤ 25ppm,

Specifications and Dimensions: Round bars ranging from φ100 to φ600, with module thicknesses from 100mm to 500mm, and widths up to 1000mm, or produced according to customer's standard dimensions.

Heat treatment: Softening annealing at 760℃-800℃, with Brinell hardness HB≤241,

Pre-hardening and tempering treatment: Quenching at 1000℃-1030℃, tempering at 250℃-570℃, with a hardness of HRC50-55. Special requirements can be adjusted according to customer needs.

 

HRC curve graph                    CCT graph