JPH0129861B2 - - Google Patents

Info

Publication number

JPH0129861B2

JPH0129861B2 JP25724085A JP25724085A JPH0129861B2 JP H0129861 B2 JPH0129861 B2 JP H0129861B2 JP 25724085 A JP25724085 A JP 25724085A JP 25724085 A JP25724085 A JP 25724085A JP H0129861 B2 JPH0129861 B2 JP H0129861B2

Authority

JP

Japan

Prior art keywords

steel

inclusions

machinability

mold

molds

Prior art date

1985-11-16

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired

Links

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• 229910000831 Steel Inorganic materials 0.000 claims description 39
• 239000010959 steel Substances 0.000 claims description 39
• UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 16
• 229910052748 manganese Inorganic materials 0.000 claims description 3
• 229910052721 tungsten Inorganic materials 0.000 claims description 3
• 229910052804 chromium Inorganic materials 0.000 claims description 2
• 229910052742 iron Inorganic materials 0.000 claims description 2
• 229910052750 molybdenum Inorganic materials 0.000 claims description 2
• 229910052720 vanadium Inorganic materials 0.000 claims description 2
• 230000000694 effects Effects 0.000 description 8
• 230000007423 decrease Effects 0.000 description 7
• 238000005242 forging Methods 0.000 description 6
• 239000000203 mixture Substances 0.000 description 4
• 239000000523 sample Substances 0.000 description 4
• 229910045601 alloy Inorganic materials 0.000 description 3
• 239000000956 alloy Substances 0.000 description 3
• 238000009826 distribution Methods 0.000 description 3
• 238000002844 melting Methods 0.000 description 3
• 230000008018 melting Effects 0.000 description 3
• 238000000465 moulding Methods 0.000 description 3
• 238000005728 strengthening Methods 0.000 description 3
• XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
• 238000009863 impact test Methods 0.000 description 2
• 229910052738 indium Inorganic materials 0.000 description 2
• 239000000463 material Substances 0.000 description 2
• 238000010137 moulding (plastic) Methods 0.000 description 2
• 229910001214 P-type tool steel Inorganic materials 0.000 description 1
• 230000002411 adverse Effects 0.000 description 1
• 238000005275 alloying Methods 0.000 description 1
• 229910052786 argon Inorganic materials 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 230000003749 cleanliness Effects 0.000 description 1
• 230000000052 comparative effect Effects 0.000 description 1
• 238000005336 cracking Methods 0.000 description 1
• 230000006866 deterioration Effects 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 239000007789 gas Substances 0.000 description 1
• 238000010438 heat treatment Methods 0.000 description 1
• 238000002347 injection Methods 0.000 description 1
• 239000007924 injection Substances 0.000 description 1
• 238000001746 injection moulding Methods 0.000 description 1
• 229910052745 lead Inorganic materials 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 239000011159 matrix material Substances 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 230000003647 oxidation Effects 0.000 description 1
• 238000007254 oxidation reaction Methods 0.000 description 1
• 230000001590 oxidative effect Effects 0.000 description 1
• 238000005498 polishing Methods 0.000 description 1
• 238000005096 rolling process Methods 0.000 description 1
• 229920006395 saturated elastomer Polymers 0.000 description 1
• 230000001568 sexual effect Effects 0.000 description 1
• 238000003756 stirring Methods 0.000 description 1
• 238000005496 tempering Methods 0.000 description 1
• 238000009849 vacuum degassing Methods 0.000 description 1