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Work Hardening
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Kladex H6-O/G/S 

C

Mn

0.10

6.0

Si

0.50

Cr

19.0

Ni

9.00

Fe

Balance

Hardness

180HB-200HB (as welded)
400HB-450HB(work hardened) 

Classification

EN 14700 T Fe10 200/50 CKPRZ 

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Kladex H14-O/G     

C

Mn

1.00

14.0

Si

0.50

Cr

-

Ni

-

Fe

Balance

Hardness

200HB-220HB (as welded)
400HB-440HB (work hardened) 

Classification

EN 14700 T Fe9 200/50 KNP

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Kladex H15-O 

C

Mn

1.00

15.0

Si

0.50

Cr

3.50

Ni

1.00

Fe

Balance

Hardness

200HB-240HB (as welded)
400HB-440HB (work hardened) 

Classification

EN 14700 T Fe9 250/50 KNP 

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Kladex H16-O/G/S 

C

Mn

0.40

16.0

Si

0.50

Cr

14.0

Ni

-

Fe

Balance

Hardness

210HB-250HB (as welded)
400HB-460HB (work hardened) 

Classification

EN 14700 T Fe9 250/50 CKNPR 

Low and Medium Alloys
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Kladex L25-O/G/S

C

Mn

Si

Cr

Ni

Mo

W

V

Fe

0.10

1.50

0.70

1.50

-

0.20

-

-

Balance

Hardness

250 HB

Classification

EN 14700 T Fe1 250 P

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Kladex L28-S

C

Mn

Si

Cr

Ni

Mo

W

V

Fe

0.06

1.10

0.50

1.00

1.80

0.40

-

-

Balance

Hardness

250-270 HB

Classification

EN 14700 T Fe1 250 P

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Kladex L35-O/G/S

C

Mn

Si

Cr

Ni

Mo

W

V

Fe

0.15

1.50

0.70

2.00

-

0.20

-

-

Balance

Hardness

350 HB

Classification

EN 14700 T Fe1 350 P

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Kladex L40-O/G/S

C

Mn

Si

Cr

Ni

Mo

W

V

Fe

0.20

2.00

0.80

3.00

-

-

-

-

Balance

Hardness

390-400 HB

Classification

EN 14700 T Fe1 400 P

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Kladex L45-O/G/S

C

Mn

Si

Cr

Ni

Mo

W

V

Fe

0.40

1.50

0.70

2.50

-

0.50

-

-

Balance

Hardness

450 HB

Classification

EN 14700 T Fe1 45 P

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Kladex L55-O/G/S

C

Mn

Si

Cr

Ni

Mo

W

V

Fe

0.50

1.50

2.50

8.50

-

-

-

-

Balance

Hardness

55 HRC

Classification

EN 14700 T Fe2 55 GSP

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Kladex L60-O

C

Mn

Si

Cr

Ni

Mo

W

V

Fe

0.50

1.20

0.70

6.00

-

0.70

-

-

Balance

Hardness

55-60 HRC

Classification

EN 14700 T Fe2 55 GSP

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Kladex L55-O/G/S

C

Mn

Si

Cr

Ni

Mo

W

V

Fe

0.50

1.30

1.30

5.60

-

1.30

1.30

0.30

Balance

Hardness

57-62 HRC

Classification

EN 14700 T Fe2 55 GSP

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Kladex L65-G

C

Mn

Si

Cr

Ni

Mo

W

V

Fe

0.50

1.30

1.30

5.60

-

1.30

1.30

0.30

Balance

Hardness

57-62 HRC

Classification

EN 14700 T Fe2 55 GSP

Tool Steels
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Kladex T34-G

C

Mn

0.10

1.25

Si

1.40

Cr

2.10

Mo

9.00

W

-

Ni

-

Co

-

V

-

Fe

Balance

Hardness

32-36 HRC

Classification

EN 14700 TFe1

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Kladex T41-O/G/S

C

Mn

0.15

0.40

Si

0.70

Cr

14.5

Mo

2.50

W

-

Ni

0.50

Co

12.5

V

-

Fe

Balance

Hardness

40-47 HRC

Classification

EN 14700 T ZFe3 45 CRTZ

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Kladex T44-O/G/S

C

Mn

0.25

2.00

Si

0.80

Cr

6.50

Mo

1.50

W

1.50

Ni

-

Co

-

V

-

Fe

Balance

Hardness

42-45 HRC

Classification

EN 14700 TFe3 45 SPT

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Kladex T48-G

C

Mn

0.14

0.90

Si

0.60

Cr

10.0

Mo

2.20

W

1.50

Ni

1.60

Co

-

V

0.05

Fe

Balance

Hardness

46-49 HRC

Classification

EN 14700 T ZFe3

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Kladex T51-S

C

Mn

0.30

1.20

Si

0.50

Cr

3.00

Mo

-

W

9.00

Ni

-

Co

-

V

0.40

Fe

Balance

Hardness

50-55 HRC

Classification

EN 14700 TFe3 50 STZ

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Kladex T52-S

C

Mn

0.40

1.20

Si

0.60

Cr

6.00

Mo

1.30

W

0.90

Ni

-

Co

-

V

1.30

Fe

Balance

Hardness

52-57 HRC

Classification

EN 14700 T ZFe3

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Kladex T54-O/G/S

C

Mn

0.50

2.00

Si

0.80

Cr

6.50

Mo

1.50

W

1.50

Ni

-

Co

-

V

-

Fe

Balance

Hardness

52-58 HRC

Classification

EN 14700 T Fe3 55 GST

Anti-Abraison
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Kladex W5-O

C

Mn

5.00

1.00

Si

0.80

Cr

19.0

Mo

-

W

-

Ni

-

B

-

Nb

-

V

Ti

-

-

Fe

Balance

Hardness

58-60 HRC

Classification

EN 14700 T ZFe14 60 GC

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Kladex W10-O

C

Mn

5.00

1.50

Si

1.50

Cr

27.0

Mo

-

W

-

Ni

-

B

-

Nb

-

V

Ti

-

-

Fe

Balance

Hardness

57-60 HRC

Classification

EN 14700 T Fe15 60 GCZ

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Kladex W18-O

C

Mn

3.00

1.50

Si

1.20

Cr

8.00

Mo

1.00

W

-

Ni

-

B

-

Nb

-

V

Ti

-

-

Fe

Balance

Hardness

49-54 HRC

Classification

EN 14700 T ZFe6

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Kladex W20-O

C

Mn

5.00

0.50

Si

1.20

Cr

27.0

Mo

1.20

W

-

Ni

-

B

-

Nb

-

V

Ti

-

-

Fe

Balance

Hardness