YASUGI SPECIALTY STEEL

JAPANESE GERMANY
JAPANESE GERMANY
  • Offerings
  • Products
  • Solutions
  • Processes
  • About us
  • Contact

Materials for tools and cutlery
Searching for

DAC(TM) 40
( Orignal steel )

Chemical composition (%) ( typical )

Std. AISI DIN W-Nr. JIS YSS
Designation - - - - DAC(TM) 40
C - - - - 0.40
Si - - - - 0.50
Mn - - - - 0.50
Ni - - - - -
Cr - - - - 4.30
Mo - - - - 0.70
W - - - - 2.10
V - - - - 0.90
Co - - - - -
others - - - - -

Standard Heat Treatment temperature ( centigrade )

Annealing 820-870 Slow cooling
Quenching 1,020 Oil cooling
Tempering 550 Air-cooling
Delivery hardness ( HBW ) 229 or under
Hardening hardness ( HRC ) 50 over

Application

Extrusion dies, Hot forging die

YSS Recommended Tool Steels

YSS Symbol Features
DAC(TM) Standard grade for general use with good balance of toughness, strength at elevated temperature and with excellent hardenability.
DAC-MAGIC(TM) High performance die steel for die casting with well balanced strength and toughness and strength at elevated temperature. Excellent heat crack and stress corrosion crack resistance.
DAC(TM)10 Excellent heat crack and wear resistance at elevated temperature. Steel for precision die casting and hot press die.
DAC(TM)55 Die casting die steel with excellent heat crack resistance and toughness.
DAC(TM)3 Hot work tool steel with higher toughness than DAC for Al extrusion dies with high hardness or hot forging press dies with good crack resistance.
DAC(TM)40 Al extrusion die steel with higher strength and better softening resistance at elevated temperature than DAC.
YEM(TM)-K Hot work tool steel with higher toughness and strength at elevated temperature than SKD7 for forging die of mass production use such as hot former.
MDC(TM)-K High strength hot work tool steel with higher toughness than SKD8 for high heat load applications such as Cu extrusion and Cu alloy die casting dies.
FDAC(TM) Free cutting hot work tool steel (supplied in prehardened condition) for dies of small production use or dies · associated parts requiring good machinability.
YXR(TM)33 Matrix-type high speed steel with high toughness. Excellent strength and wear resistance at elevated temperature and excellent erosion resistance. Steel for warm · hot precision forging dies and insert pins for die casting.

YSS Properties Comparison Table

YSS Symbol Strength at elevated temperature Softening resistance Toughness Wear resistance Hardenability
DAC(TM) C C A C A
DAC-MAGIC(TM) B B A+ B A
DAC(TM)10 B B A B A
DAC(TM)55 B- B- A+ B- A
DAC(TM)3 C+ C+ A+ C+ A+
DAC(TM)40 B+ B+ B+ B+ B+
YEM(TM)-K A- A- B A- A-
MDC(TM)-K A A C A B
FDAC(TM) C C C C -
DM D D A++ D B
YXR(TM)33 A+ A+ C A+ B
YSS(TM)
  • YXM(TM) 1
  • YXM(TM) 4
  • YXM(TM) 27
  • YXM(TM) 42
  • YXM(TM) 60
  • YXR(TM) 3
  • YXR(TM) 33
  • YXR(TM) 7
  • XVC(TM) 5
  • YHX(TM) 2
  • HAP(TM) 10
  • HAP(TM) 40
  • HAP(TM) 50
  • HAP(TM) 72
  • HAP(TM) 5R
  • DAC(TM)
  • DAC-MAGIC(TM)
  • DAC(TM) 10
  • DAC(TM) 55
  • DAC(TM) 3
  • DAC(TM) 40
  • YEM(TM)-K
  • MDC(TM)-K
  • FDAC(TM)
  • DM
  • SA 1
  • YHA(TM)
  • YHB(TM) 2
  • YMB(TM) 1
  • YSM(TM)
  • YCK(TM) 2
  • YCB(TM) 1
  • SLD(TM)
  • SLD-MAGIC(TM)
  • SLD(TM) 8
  • SLD(TM) 10
  • ARK(TM) 1
  • ACD(TM) 8
  • CRD(TM)
  • ACD(TM) 37
  • SGT(TM)
  • YCS(TM) 3
  • HMD(TM) 5
  • CENA 1(TM)
  • CENA(TM)-V
  • HI-PM MAGIC
  • HI-PM PRO
  • HI-PM 1
  • HI-PM 7
  • HI-PM 31
  • HI-PM 38
  • HI-PM 38S
  • PSL(TM)
  • YAG(TM)
  • HI-PM 75
  • HI-PM 77
  • ZCD(TM)-M
  • ZDP(TM) 4
  • Shirogami 1
  • Shirogami 2
  • Shirogami 3
  • Shirogami Nokozai
  • Kigami 2
  • Aogami 1
  • Aogami 2
  • Aogami Super
  • KK
  • GIN(TM) 1
  • GIN(TM) 3
  • GIN(TM) 5
  • ATS(TM) 34
  • ZDP(TM) 189
AISI
  • M2
  • M42
  • T1
  • H13
  • H10
  • H19
  • L6
  • O7
  • D2
  • D3
  • O1
  • W5
  • P21
  • P20
  • 420F
  • 630
DIN
  • HS6-5-2
  • HS2-9-1-8
  • HS10-4-3-10
  • HS18-0-1
  • X40CrMoV5-1
  • 32CrMoV12-28
  • 55NiCrMoV6
  • X153CrMoV12
  • X210Cr12
  • 100MnCrW4
  • X153CrMoV12
  • X30Cr13
  • X5CrNiCuNb16-4
W-Nr.
  • 1.3343
  • 1.3247
  • 1.3207
  • 1.3355
  • 1.2344
  • 1.2365
  • 1.2713
  • 1.2379
  • 1.2080
  • 1.2510
  • 1.2330
  • 1.2379
  • 1.4028
  • 1.4542
JIS
  • SKH51
  • SKH55
  • SKH59
  • SKH57
  • SKH2
  • SKH40
  • SKD61
  • SKD7
  • SKD8
  • SKT4
  • SKS2
  • SKS7
  • SKD11
  • SKD1
  • SKS3
  • SKS93
  • SUS420J2
  • SUS630
Applications
  • High speed steel
  • Hot work tool steel
  • Cold work tool steel
  • Plastic mold steel
  • Cutlery steel

COPYRIGHT © Proterial, Ltd. ALL RIGHTS RESERVED.