PRODUCTGRADEEQUIVALENT STANDARDCHEMICAL COMPOSITION (%)SUPPLY CONDITIONAPPLICATIONTYPE OF APPLICATION
AISIDINJISCSiMnCrMoNiVWOth.
Cold Work Steel
1.2826

S4

60MnSiCr4

0.58-0.65

0.8-1.0

0.8-1.2

0.2-0.4

P/0.03, S/0.03

50-60 HRCHeat treatable with a mixture of Mn, Si, Cr, good toughness springiness, wear-resistant suitable for machiinery parts, knifes, blades, hammers, extrusion tools
1.2767

6F7

40NiCrMo4

SKT6

0.4-0.5

0.1-0.4

0.2-0.5

1.2-1.5

0.15-0.35

3.8-4.3

P/0.03, S/0.03

max 285 HBNickel alloyed, good toughness, resistant to impact-pressure-wear suittable for cutting dies, rollers, engraving tools, cold-drawn extrusion tools
1.2510

O1

100MnCrW4

SKS3

0.9–1.05

0.15-0.35

1.0-1.2

0.5-0.7

0.5-0.15

0.5-0.7

P/0.035, S/0.035

max 230 HBOil hardening, composed of Cr-Ti-Mn mixture, good strength, resistant to friction-impact suitable for making extrusion tools, paper-leather-plastic cutting blades
1.2436

D6

X210CrW12

SKD2

2.0-2.3

0.1-0.4

0.3-0.6

11.0-13.0

0.6-0.8

P/0.03, S/0.03

max 255 HBHigh carbon, Cr alloyed, tough, high abrasion resistance suitable for cold-pressed tools, woodworking knives, steel-paper-plastic cutting tools
1.2379

D2 (D2 Mod)

X155CrVMO 12-1

SKD11 (SKD11 Mod), DC53

1.4-1.6

0.35-0.45

0.4

11.0-13.0

1.0

1.0

Al/1.0, P/0.01, S/0.01

max 255 HBHigh chromium alloyed, tough, high abrasion resistance suitable for extrusion molding, rollers, cold stamping, cutting tools, scissors, wood working knives
1.2363

A2

X100CrMoV 5-1

SKD12

0.95-1.05

0.1-0.4

0.4-0.8

4.8-5.5

0.9-1.2

0.15-0.35

P/0.03, S/0.03

max 207 HBAir Hardening, tough, abrasion resistant, can maintain the structure well suitable for making knives, wood-plastic-fiber cold extrusion tools
1.1625

W1-8

C80W1

SK5

0.8-0.9

0.15-0.35

0.15-0.5

<0.3

<0.25

Cu/<0.25

max 207 HBHigh carbon, water hardening “Spring Steel” tough, strong, abrasion resistant, maintain good sharpness suitable for making blades, cutting machines, spare parts
1.7076

5155

55Cr3

SUP9

0.52-0.60

0.15-0.35

0.65-0.95

0.65-0.95

P/0.035, S/0.035

Pre-Hardened 39 HRCMedium carbon, resistant to friction – heat, maintain the structure well suitable for making spring rings, spare parts, machine parts
1.7177

55Cr5

SUP9A

0.56-0.61

0.75-1.0

0.7-0.9

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