CrWMn mold steel

CrWMn mold steel

It is commonly used for making moldsHigh carbonAlloy tool steel.

CrWMnChemical composition of steelw/%

carbonC：0.90～1.05

siliconSi：≤0.40

manganeseMn：0.80～1.10

sulfurS：≤0.03

phosphorusP：≤0.03

chromiumCr：0.90～1.20

nickelNi: Allow residual content≤0.25

copperCu: Allow residual content≤0.30

tungstenW：1.20～1.60

performance

supply

Supply varieties: hot-rolled materials, forged materialscold drawingMaterials, cold drawn steel wire, silver shiny steel wirehot-rolled steel plateandcold-rolled steel sheet.

hardness207 -255HBW.

mechanical properties

Hardness: annealed,255～207HB, indentation diameter3.8～4.2mmQuenching,≥62HRC

Heat treatment specifications and metallographic structure:

Heat treatment specification: Quenching, eight hundred～830℃Oil cold.

Delivery status：Steel is usedAnnealing stateDelivery.

It is a commonly used high carbon alloy tool steel for making molds.

Chemical composition of CrWMn steel w/%

Carbon C: 0.90-1.05

硅 Si：≤0.40

Manganese Mn: 0.80-1.10

Sulfur S: ≤ 0.03

Phosphorus P: ≤ 0.03

Chromium Cr: 0.90-1.20

Nickel Ni: allowable residual content ≤ 0.25

Copper Cu: allowable residual content ≤ 0.30

Tungsten W: 1.20-1.60

performance

supply

Supply varieties: hot-rolled materials, forged materials, cold drawn materials, cold drawn steel wires, silver bright steel wires, hot-rolled steel plates, and cold-rolled steel plates.

Hardness 207-255HBW.

mechanical properties

Hardness: annealed, 255-207HB, indentation diameter 3.8-4.2mm; quenched, ≥ 62HRC

Heat treatment specifications and metallographic structure:

Heat treatment specification: Quenching, oil cooling at 800-830 ℃.

Delivery status: Steel is delivered in annealed state.

CrWMn mold steel