YSS Hot Working Tool Steels
YSS Hot Working Tool Steels
YSS Hot Working Tool Steels
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HOT WORKING TOOL<br />
STEELS<br />
1
Chemical compositions of <strong>YSS</strong> hot work tool steels<br />
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DAC<br />
DAC-MAGIC<br />
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DAC10<br />
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DAC55<br />
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DAC3<br />
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DAC40<br />
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YEM-K<br />
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HOT WORKING TOOL STEELS<br />
MDC-K<br />
FDAC<br />
DM<br />
YXR33<br />
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Toughness of Isoropy DAC<br />
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Isotropy DAC<br />
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2
Applications of <strong>YSS</strong> hot work tool steels<br />
HOT WORKING TOOL STEELS<br />
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DAC<br />
DAC-MAGICDAC10<br />
FDAC3842HRC<br />
DAC55<br />
DACFDAC3842HRC<br />
MDC-K<br />
DAC<br />
−<br />
−<br />
YXR33<br />
DAC<br />
AHD32<br />
DAC<br />
DAC3DAC40<br />
DAC,MDC-K<br />
HRD105660HS<br />
DM<br />
DACDAC3<br />
DM<br />
DAC<br />
DAC<br />
DAC3<br />
DAC<br />
YEM-K<br />
DAC,DAC3<br />
YEM-K<br />
HRD204651HS HRD105660HS<br />
HRD20<br />
DAC<br />
DAC3YAG3006975HS<br />
DAC<br />
DAC3<br />
DAC<br />
DAC3<br />
DAC,DAC3<br />
HRD105660HS<br />
DMDAC<br />
DAC3<br />
DAC<br />
DAC3<br />
DAC<br />
YEM-K<br />
DAC<br />
DAC3<br />
DAC,DAC3<br />
HRD105660HS<br />
DMDAC<br />
DAC3<br />
DMDAC<br />
DAC3<br />
DACDAC3<br />
YEM-K, MDC-K<br />
DAC<br />
DAC3<br />
DM<br />
MDC-K<br />
YXR3YXR33<br />
YEM-K<br />
MDC-K<br />
DAC<br />
YEM-K<br />
DACDM<br />
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HI-PM38<br />
ZHD11, SUS310S<br />
YXM1<br />
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3
Types and features of <strong>YSS</strong> hot work tool steels<br />
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DAC<br />
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DAC-MAGIC<br />
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DAC10<br />
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HOT WORKING TOOL STEELS<br />
DAC55<br />
DAC3<br />
DAC40<br />
YEM-K<br />
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MDC-K<br />
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FDAC<br />
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DM<br />
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YXR33<br />
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4
Characteristics of <strong>YSS</strong> hot work tool steels<br />
Characteristics of hot work tool steels<br />
SKD8<br />
YXR33<br />
MDC-K<br />
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HOT WORKING TOOL STEELS<br />
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Grade<br />
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SKD5<br />
SKD4<br />
FDAC<br />
Comparison of properties<br />
Strength at elevated<br />
temperature<br />
SKD7<br />
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YEM-K<br />
DAC40<br />
DAC10<br />
DAC<br />
(SKD61)<br />
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DAC-MAGIC<br />
DAC55<br />
DAC3<br />
DM<br />
(SKT4)<br />
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Softening resistance Toughness Wear resistance Hardenability<br />
DAC<br />
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DAC-MAGIC<br />
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DAC10<br />
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DAC55<br />
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DAC3<br />
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DAC40<br />
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YEM-K<br />
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MDC-K<br />
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FDAC<br />
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DM<br />
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YXR33<br />
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5
Properties of <strong>YSS</strong> hot work steels<br />
<strong>Hot</strong> forging die wear mechanism<br />
"microstructure" and influencing<br />
factors.<br />
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HOT WORKING TOOL STEELS<br />
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DAC<br />
48HRC<br />
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DAC3<br />
51HRC<br />
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YEM-K<br />
50HRC<br />
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YXR33<br />
57HRC<br />
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6
Properties of <strong>YSS</strong> hot work steels<br />
Tensile strength at elevated temperature<br />
Tempering parameter<br />
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HOT WORKING TOOL STEELS<br />
Charpy impact value at room temperature<br />
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Quenching speed vs charpy I-value<br />
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Transition property of charpy impact value<br />
Fatigue strangth (Rotating bending fatigue test by<br />
Ono method)<br />
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7
Standard heat treatment conditions for<br />
<strong>YSS</strong> hot work tool steels<br />
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DAC<br />
MAX<br />
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Air cool (Oil quench)<br />
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Air cool<br />
Min<br />
Slow cooling<br />
DAC-MAGIC<br />
MAX<br />
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Air cool (Oil quench)<br />
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Air cool<br />
Min<br />
Slow cooling<br />
DAC10<br />
MAX<br />
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Oil quench (Air cool)<br />
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Air cool<br />
Min<br />
Slow cooling<br />
DAC55<br />
MAX<br />
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Oil quench (Air cool)<br />
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Air cool<br />
Min<br />
Slow cooling<br />
DAC3<br />
MAX<br />
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Air cool (Oil quench)<br />
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Air cool<br />
Min<br />
Slow cooling<br />
HOT WORKING TOOL STEELS<br />
DAC40<br />
YEM-K<br />
MDC-K<br />
FDAC<br />
DM<br />
YXR33<br />
MAX<br />
MAX<br />
MAX<br />
Quenching and tempering time of <strong>YSS</strong> die steels<br />
1.Holding time at quenching<br />
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Prehardened steel (Delivery in hardened condition)<br />
MAX<br />
MAX<br />
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Oil quench<br />
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Oil quench (Air cool)<br />
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Oil quench<br />
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Oil quench<br />
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Oil quench<br />
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Air cool<br />
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Air cool<br />
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Air cool<br />
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Air cool<br />
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Air cool<br />
Min<br />
Min<br />
Min<br />
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Min<br />
Min<br />
Slow cooling<br />
Slow cooling<br />
Slow cooling<br />
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Slow cooling<br />
Slow cooling<br />
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2.Holding time at tempering<br />
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8
Quenched and tempered hardness curve<br />
DAC<br />
DAC-MAGIC<br />
DAC10<br />
DAC55<br />
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HOT WORKING TOOL STEELS<br />
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DAC3<br />
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DAC40<br />
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YEM-K<br />
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MDC-K<br />
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DM<br />
YXR33<br />
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9
Guide for selecting <strong>YSS</strong> die materials (Example)<br />
<strong>Hot</strong> forging dies<br />
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DAC<br />
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MDC-K<br />
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YXR33<br />
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DAC<br />
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YEM-K<br />
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MDC-K<br />
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YXR33<br />
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DAC<br />
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Extrusion dies<br />
HOT WORKING TOOL STEELS<br />
DAC<br />
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Comparison of various nitrided layers<br />
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TYPE A<br />
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TYPE B<br />
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TYPE C<br />
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TYPE D<br />
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DAC40<br />
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DAC3<br />
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10
Sulfuration nitriding for hot work die<br />
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The Hint-S is a surface treatment technique<br />
developed by Hitachi Metals which improves<br />
significantly wear and erosion resistance of a<br />
die by forming both sulfides and nitrides on<br />
its surface.<br />
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HOT WORKING TOOL STEELS<br />
Simulation test of hot galling resistance<br />
(On forging die)<br />
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Data sheet<br />
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Simulation test of erosion resistance<br />
(On casting die)<br />
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DAC<br />
DAC-MAGIC<br />
DAC10<br />
DAC55<br />
DAC3<br />
DM<br />
YXR33<br />
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DAC<br />
DAC-MAGIC<br />
DAC10<br />
DAC55<br />
DAC3<br />
DM<br />
YXR33<br />
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DAC<br />
DAC-MAGIC<br />
DAC10<br />
DAC55<br />
DAC3<br />
DM<br />
YXR33<br />
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11
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