Nota: Gracias a la Universidad nacional experimental y a la Ing. Patricia l. Aular por la infromacion globalizada sobre fundición.
High carbon tool steel
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AISI Code
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AISI Designation
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Type of Tool steel
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W
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W1 to W7
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High carbon water hardening steel
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W1 A - 1B
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Carbon
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W2 - W3
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Carbon Vanadium
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W4 - W5
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Carbon Chromium
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W7
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Carbon Chromium Vanadium
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Cold work tool steel
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A
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A2 - A10
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Air hardening, Medium alloys
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D
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D2 - D7
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High carbon, high chromium
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O
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O1 - O7
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Oil hardening, Low carbon
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Hot work tool steel
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H
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H 10, H11, H12, H13
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Chromium, Molybdenum
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H14, H16, H19, H23
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Chromium, Tungsten
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H20, H21, H22, H24, H25, H26
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Tungsten
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H15, H41, H42, H43
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Molybdenum
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High speed tool steel ( Molybdenum )
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M
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M1, M7, M10
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Molybdenum
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M30, M33, M34, M42, M43, M46, M47
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Molybdenum, Cobalt
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M2, M3, M4
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Molybdenum, Tungsten
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M6, M15, M35, M36< M41, M44, M45
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Molybdenum, Tungsten, Cobalt
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High speed tool steel (Tungsten )
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T
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T1, T2, T3, T7, T9
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Tungsten
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T4, T5, T6, T8, T15
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Tungsten, cobalt
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Special tool steel
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F
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F1
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High carbon, low alloys
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F2, F3
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Tungsten
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L
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L1, L3, L7
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Carbon > 0.65%, Chromium
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L2
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Carbon <0.65%, Chromium
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L6
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Carbon > 0.65%, Nickel
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S
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S1, S3
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Tungsten
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S2, S4, S5, S6
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Silicon
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S7
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Chromium
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P
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P1- P21
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Low carbon mold steel
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