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P

P1

Carbon steels

St 33

1.0035

290

10 - 15

15 - 25

P1

Carbon steels

St 37

1.0120

340 - 370

10 - 15

15 - 25

P1

Carbon steels

St 50

1.0531

470 - 610

10 - 15

15 - 25

P1

Carbon steels

St 60 - 2

1.0060

570 - 710

10 - 15

15 - 25

P1

Carbon steels

St 70 - 2

1.0070

670 - 830

10 - 15

15 - 25

P1

Heat-treatable steels

C 45

1.0503

650 - 800

10 - 15

15 - 25

P1

Tool steels

21 MnCr 5

1.2162

720

8 - 10

10 - 15

P1

Free-cutting steels

9 S 20 K

1.0711

360

10 - 15

15 - 25

P1

Free-cutting steels

9 SMnPb 28

1.0718

380

10 - 15

15 - 25

P1

Free-cutting steels

35 SMn 20

1.0726

490 - 610

10 - 15

15 - 25

P1

Hot-Work steels

X 10 CrSi 13

1.4722

690

3 - 5

5 - 8

P1

Cast Steels

GS 45

1.0443

440

10 - 15

15 - 25

P1

Cast Steels

GS 60

1.0553

590

10 - 15

15 - 25

P1

Cast Steels

GS 70

1.0554

685

10 - 15

15 - 25

P1

Case-hardened steels

C 15

1.0401

600 - 800

10 - 15

15 - 25

P1

Case-hardened steels

Ck 15

1.1141

500 - 800

10 - 15

15 - 25

P2

Case-hardened steels

20 MnCr 5

1.7147

1000 - 1300

10 - 15

15 - 25

P2

Case-hardened steels

17 CrNiMo 6

1.6587

1050 - 1350

2 - 5

5 - 10

P2

Heat-treatable steels

C 60

1.0601

800 - 850

10 - 15

15 - 25

P2

Heat-treatable steels

46 Cr 2

1.7003

700 - 850

2 - 5

5 - 10

P2

Heat-treatable steels

25 CrMo 4

1.7218

800 - 950

2 - 5

5 - 10

P2

Tool steels

105 WCr 6

1.2419

8 - 10

10 - 15

P2

Tool steels

X 45 NiCrMo 4

1.2767

850

8 - 10

10 - 15

P2

Tool steels

55 Ni Cr Mo V 6

1.2713

810

8 - 10

10 - 15

P2

Nitriding Steels

31 CrMo 12

1.8515

1000 - 1200

3 - 5

5 - 8

P2

Nitriding Steels

34 CrAlMo 5

1.8505

800 - 950

3 - 5

5 - 8

P2

Nitriding Steels

34 CrAlNi 7

1.8550

850 - 1050

3 - 5

5 - 8

DIN ISO 513 I Schumacher

Material-No.

[N/mm

2

]

bright

I

coated

Cutting Speed v

c

[m/min]

v

c

forming taps = v

c

+ 30-50%

Material Groups

Description

DIN Description

DIN 17 007

Strength

HSS-E /

VHM

Work Piece Material Groups/Cutting Data

8.6