W2Mo9Cr4VCo8 High speed tool steel Quotation

W2Mo9Cr4VCo8 is the representative steel grade of tungsten-molybdenum-based high-carbon cobalt-containing super-hard high-speed steel. W2Mo9Cr4VCo8 High speed tool steel has high room temperature hardness (up to 70HRC)，high temperature hardness, high red hardness, and easy grinding and sharpness.

Features apply of W2Mo9Cr4VCo8

W2Mo9Cr4VCo8 is suitable for making all kinds of high-precision and complex tools, such as forming cutters and precision broaches. It can also be used as various high-hardness cutter heads and blades.

W2Mo9Cr4VCo8 Chemical Composition

C: 1.05~1.15 (permissible deviation: ±0.01)
Si: 0.15~0.65 (permissible deviation: ±0.05)
Mn: 0.15~0.40 (permissible deviation: +0.04)
S: ≤0.030
P: ≤0.030
Cr: 3.50~4.25 (permissible deviation: ±0.05)
Ni: Allowable residual content ≤ 0.30
Cu: Allowable residual content ≤ 0.25
V: 0.95~1.35 (permissible deviation: ±0.05)
Mo: 9.00~10.00 (permissible deviation: size ≤6, ±0.05; size >6, ±0.10)
W: 1.15~1.85 (permissible deviation: size ≤10, ±0.10; >10, ±0.20)
Co: 7.75~8.75 (permissible deviation: ±0.15)

Mechanical properties of W2Mo9Cr4VCo8 steel

Delivery hardness: (other processing methods) ≤ 285HB; (annealing) ≤ 269HB.
Sample heat treatment system and quenching and tempering hardness: ≥66HRC

W2Mo9Cr4VCo8 High speed steel Microstructure

Heat treatment specification: quenching, preheating at 730~840°C, heating at 1170~1190°C (salt bath furnace) or 1180~1200°C (box furnace), oil cooling, tempering at 530~550°C for 3 times, each time 2h.

Delivery status W2Mo9Cr4VCo8 tool steel

Hot-rolled, forged, and cold-drawn steel bars are delivered in an annealed condition, and hot-rolled, forged steel bars are processed by annealing and other processing methods (peeling, light drawing, polishing, polishing, etc.).