Made tool steel: W2Mo9Cr4VCo8
Standard: GB / T 9943-1988
● Features and application:
W2Mo9Cr4VCo8 for the high-carbon cobalt-tungsten-molybdenum high-speed steel on behalf of super-hard steel with high hardness at room temperature (up to 70HRC) and high hardness, high red hardness, easy grinding, sharp, etc., but the high price of cobalt you. W2Mo9Cr4VCo8 production of high precision and complex application tools, such as milling cutter, precision broaches, also used a variety of high hardness blade, blades, etc..
● Chemical Composition:
Carbon C: 1.05 ~ 1.15 (tolerance: ± 0.01)
Si Si: 0.15 ~ 0.65 (tolerance: ± 0.05)
Manganese Mn: 0.15 ~ 0.40 (tolerance: +0.04)
Sulfur S: ≤ 0.030
Phosphorus P: ≤ 0.030
Chromium Cr: 3.50 ~ 4.25 (tolerance: ± 0.05)
Ni: to allow the residual content of ≤ 0.30
Copper Cu: to allow the residual content of ≤ 0.25
Vanadium V: 0.95 ~ 1.35 (tolerance: ± 0.05)
Mo Mo: 9.00 ~ 10.00 (Tolerance: Dimensions ≤ 6, ± 0.05; size> 6, ± 0.10)
Tungsten W: 1.15 ~ 1.85 (tolerance: size ≤ 10, ± 0.10;> 10, ± 0.20)
Cobalt Co: 7.75 ~ 8.75 (tolerance: ± 0.15)
● Mechanical Properties:
Hardness: the hardness of delivery: (other processing methods) ≤ 285HB; (annealing) ≤ 269HB. Quenching and tempering heat treatment system and the sample hardness: ≥ 66HRC
● Heat treatment and microstructure specifications:
Standard heat treatment: quenching, 730 ~ 840 ℃ preheating, 1170 ~ 1190 ℃ (salt bath) or 1180 ~ 1200 ℃ (box-type furnace) heating, oil cooling, 530 ~ 550 ℃ tempering 3 times, each time 2h.
● Delivery status: hot-rolled, forged, annealed cold-drawn steel bars in the state of delivery, hot-rolled, forged steel bar to annealing + other processing methods (peeling, light pull, grinding or polishing, etc.) after the delivery process .
Standard: GB / T 9943-1988
● Features and application:
W2Mo9Cr4VCo8 for the high-carbon cobalt-tungsten-molybdenum high-speed steel on behalf of super-hard steel with high hardness at room temperature (up to 70HRC) and high hardness, high red hardness, easy grinding, sharp, etc., but the high price of cobalt you. W2Mo9Cr4VCo8 production of high precision and complex application tools, such as milling cutter, precision broaches, also used a variety of high hardness blade, blades, etc..
● Chemical Composition:
Carbon C: 1.05 ~ 1.15 (tolerance: ± 0.01)
Si Si: 0.15 ~ 0.65 (tolerance: ± 0.05)
Manganese Mn: 0.15 ~ 0.40 (tolerance: +0.04)
Sulfur S: ≤ 0.030
Phosphorus P: ≤ 0.030
Chromium Cr: 3.50 ~ 4.25 (tolerance: ± 0.05)
Ni: to allow the residual content of ≤ 0.30
Copper Cu: to allow the residual content of ≤ 0.25
Vanadium V: 0.95 ~ 1.35 (tolerance: ± 0.05)
Mo Mo: 9.00 ~ 10.00 (Tolerance: Dimensions ≤ 6, ± 0.05; size> 6, ± 0.10)
Tungsten W: 1.15 ~ 1.85 (tolerance: size ≤ 10, ± 0.10;> 10, ± 0.20)
Cobalt Co: 7.75 ~ 8.75 (tolerance: ± 0.15)
● Mechanical Properties:
Hardness: the hardness of delivery: (other processing methods) ≤ 285HB; (annealing) ≤ 269HB. Quenching and tempering heat treatment system and the sample hardness: ≥ 66HRC
● Heat treatment and microstructure specifications:
Standard heat treatment: quenching, 730 ~ 840 ℃ preheating, 1170 ~ 1190 ℃ (salt bath) or 1180 ~ 1200 ℃ (box-type furnace) heating, oil cooling, 530 ~ 550 ℃ tempering 3 times, each time 2h.
● Delivery status: hot-rolled, forged, annealed cold-drawn steel bars in the state of delivery, hot-rolled, forged steel bar to annealing + other processing methods (peeling, light pull, grinding or polishing, etc.) after the delivery process .
