Detailed Product Description

Product Name: 4Cr5MoSiV alloy tool steel
Product Type: 4Cr5MoSiV alloy tool steel
Product Brand: free-cutting steel

Detailed description:

Material Name: Alloy tool steel
Grade: 4Cr5MoSiV
Standard: GB / T 1299-2000

Features and application:
Is empty of hot die steel hardened, the introduction of the United States Department of H11 steel. Its performance and service life of steel 3Cr2W8V higher than that. Applicable for aluminum alloy die-casting mold, hot extrusion and perforation with the tools and mandrel, die forging hammer die forging, press forging dies, high-speed precision forging dies and plastic dies, etc.; was also used for aircraft, rockets and other anti - Heat 400 ~ 500 operating temperature of the structural components.

Chemical Composition:
C: 0.33 ~ 0.43
Si: 0.80 ~ 1.20
Mn: 0.20 ~ 0.50
S: ≤ 0.030
P: ≤ 0.030
Cr: 4.75 ~ 5.50
Ni: to allow the residual content of ≤ 0.25
Cu: to allow the residual content of ≤ 0.30
V: 0.30 ~ 0.60
Mo: 1.10 ~ 1.60

Mechanical Properties:
Hardness: Annealing, ≤ 235HB, indentation diameter ≥ 3.95mm

Heat treatment parameters and microstructure:
Standard heat treatment: quenching, 790 ± 15 preheating, 1000 ± 6 (Salt) or 1010 ± 6 (furnaces controlled atmosphere) heating, insulation 5 ~ 15min, air-cooled, 550 ± 6 tempered.

Delivery status: Delivery of steel to annealing.