KNOCKOUT

THE COMPETITION

INTRODUCING

DH2FMODIF IED H-13PREHARDENED 37-41 HRC

FEATURES:• Prehardened to 37-41 HRC. No additional heat treating required.

Suited for complex molds and dies susceptible to deformation.• Good machinability• Reduced manufacturing time due to no additional heat treating.• DH2F has better wear resistance than H-13 at like hardness.

Quality Characteristics III cont’d

• An example of tool life offace milling cutter

• An example of tool life ofHSS drill bit

MACHINABILITY

Corporate Office: Lindquist Steels, Inc. 1050 Woodend RoadStratford, CT 06615

800-243-9637 • FAX: 203-386-0132

DH2F is distributed byLindquist Steels, Inc.,

a Daido partner company

200

100

50

30

Tool life T (min)

30 50 70100 200105

VBmax

Cut

ting

spee

d V

(m

/min

)

Cut

ting

spee

d V

(m

/min

) 200

100

30

20

Cutting length L (m/m)

50 70100 300 500 100305

• Cutting parametersTool material Tool shape Cutting fluid Feed Cut

Face milling center M20 NP-100R None 0.075mm/tooth 1.5mm 66-165 80w x 50T x 200l 40 VBmax=0.3mm

Drill bit M2 None 0.1mm/rev 30mm deep hole 20-40 80w x 50T x 200l 40 Tool erosion

Cutting speed Test piece size Hardness Tool life(m/min) (mm) (HRC) and point

10mm dia.tapered-shank drill a = 118”

• DH2F (modified (H13) Prehardened) • H-13 (40 HRC)CHIP SHAPE

www.lindquiststeels.com

Daido Steel Limited and Lindquist Steels, Inc. shall not be held responsible for damage caused by misunderstanding or improper use of the technical information con-tained in this brochure. The contents of this brochure may be subject to change without notice. Please inquire for the latest information. No portion of this brochure may be reproduced without the express permission of Daido Steel Limited and International Mold Steel, Inc.

ParametersTool

CUTTING PARAMETERS:Tool : M2, 10 mm dia., tapered-shank drill a=118˚Feed : 0.10mm/revHole depth : 30 mm

Cutting speed : 25m/minTest piece hardness : 40HRCTest piece size (mm) : 100 x 200 x 300

DAIDO STEEL

APPLICATIONS:• Plastic Molds• Zinc Diecasting Dies• Short Run Aluminum

Die Casting Dies• Plunger Tips, Sprue

Bushings• Die Plate Strippers• Dies for Aluminum

Extrusions• Pattern’s and Core Boxes• Others

Lindquist Steels, Inc. 1950 Old Dunbar Road

West Columbia, SC 29172800-845-7052 • FAX: 803-794-6658

Corporate Office: Lindquist Steels, Inc. 1050 Woodend RoadStratford, CT 06615

800-243-9637 • FAX: 203-386-0132

www.lindquiststeels.com

Lindquist Steels, Inc. 1950 Old Dunbar Road

West Columbia, SC 29172800-845-7052 • FAX: 803-794-6658

www.imsteel.com

DH2Flsi 10/2/06 9:57 AM Page 1

Chemical Composition

Quality Characteristics II

Quality Characteristics III

RT 100 200 300 400 500 600 700

160(1569)

120(1179)

80(785)

40(392)

0

600

400

200

90

70

50

30

10(98)

6(59)

2(19.6)

�

Test temperature (C˚)

Hard

ness

(HV)

T

ensil

e stre

ngth

and

yield

poi

nt k

gf/m

m2 (M

Pa)

Char

py im

pact

ener

gy k

gf •

m/cm

2 (J/

cm 2 )

Elon

gatio

n an

d re

ducti

on o

f are

a (%

)

Hardness

Quality Characteristics I

• Average Coefficient of Thermal Expansion for DH2F

COEFFICIENT OF THERMAL EXPANSION

MECHANICAL PROPERTIES

Spec. 20-100˚C 20-200˚C 20-300˚C 20-400˚C 20-500˚C 20-600˚C 20-700˚C

DH2F 8.9 10.8 11.9 12.6 13.1 13.7 13.9

( x 10-6/˚C )

8

7

6

5

4

3

2

1

0DH2F 37/41

HRCPX5-29/33 HRC High Hard P20

34/38 HRCV44 42/46 HRC

MACHINING CHARACTERISTICS

CHEMICAL COMPOSITION (%)

MATERIAL HARDNESS C S Si MN CR MO V AISI GRADE

DH2F 37-41 HRC .32 – .42 .12 – .15 <1.50 <1.5 4.50 – 5.50 1.00 – 1.50 .40 – 1.20 H-13= =

GENERAL CHEMISTRY

MATERIALS / MOLD LIFE

Fremax-45 4140 HT (28-32 HRC)

P20 (28-32 HRC)

PX5 (29-33 HRC)

DH2F (37-41 HRC)

NAK 55(38-42HRC)

S-7(52-54HRC)

H-13 (48-52 HRC)

DC53 (60-63 HRC)

6

5

4

3

2

1

0Sho

rtLo

ng

Mac

hina

bilit

y

DH2Flsi 10/2/06 9:57 AM Page 3

Chemical Composition

Quality Characteristics II

Quality Characteristics III

RT 100 200 300 400 500 600 700

160(1569)

120(1179)

80(785)

40(392)

0

600

400

200

90

70

50

30

10(98)

6(59)

2(19.6)

�

Test temperature (C˚)

Hard

ness

(HV)

T

ensil

e stre

ngth

and

yield

poi

nt k

gf/m

m2 (M

Pa)

Char

py im

pact

ener

gy k

gf •

m/cm

2 (J/

cm 2 )

Elon

gatio

n an

d re

ducti

on o

f are

a (%

)

Hardness

Quality Characteristics I

• Average Coefficient of Thermal Expansion for DH2F

COEFFICIENT OF THERMAL EXPANSION

MECHANICAL PROPERTIES

Spec. 20-100˚C 20-200˚C 20-300˚C 20-400˚C 20-500˚C 20-600˚C 20-700˚C

DH2F 8.9 10.8 11.9 12.6 13.1 13.7 13.9

( x 10-6/˚C )

8

7

6

5

4

3

2

1

0DH2F 37/41

HRCPX5-29/33 HRC High Hard P20

34/38 HRCV44 42/46 HRC

MACHINING CHARACTERISTICS

CHEMICAL COMPOSITION (%)

MATERIAL HARDNESS C S Si MN CR MO V AISI GRADE

DH2F 37-41 HRC .32 – .42 .12 – .15 <1.50 <1.5 4.50 – 5.50 1.00 – 1.50 .40 – 1.20 H-13= =

GENERAL CHEMISTRY

MATERIALS / MOLD LIFE

Fremax-45 4140 HT (28-32 HRC)

P20 (28-32 HRC)

PX5 (29-33 HRC)

DH2F (37-41 HRC)

NAK 55(38-42HRC)

S-7(52-54HRC)

H-13 (48-52 HRC)

DC53 (60-63 HRC)

6

5

4

3

2

1

0Sho

rtLo

ng

Mac

hina

bilit

y

DH2Flsi 10/2/06 9:57 AM Page 3

KNOCKOUT

THE COMPETITION

INTRODUCING

DH2FMODIF IED H-13PREHARDENED 37-41 HRC

FEATURES:• Prehardened to 37-41 HRC. No additional heat treating required.

Suited for complex molds and dies susceptible to deformation.• Good machinability• Reduced manufacturing time due to no additional heat treating.• DH2F has better wear resistance than H-13 at like hardness.

Quality Characteristics III cont’d

• An example of tool life offace milling cutter

• An example of tool life ofHSS drill bit

MACHINABILITY

Corporate Office: Lindquist Steels, Inc. 1050 Woodend RoadStratford, CT 06615

800-243-9637 • FAX: 203-386-0132

DH2F is distributed byLindquist Steels, Inc.,

a Daido partner company

200

100

50

30

Tool life T (min)

30 50 70100 200105

VBmax

Cut

ting

spee

d V

(m

/min

)

Cut

ting

spee

d V

(m

/min

) 200

100

30

20

Cutting length L (m/m)

50 70100 300 500 100305

• Cutting parametersTool material Tool shape Cutting fluid Feed Cut

Face milling center M20 NP-100R None 0.075mm/tooth 1.5mm 66-165 80w x 50T x 200l 40 VBmax=0.3mm

Drill bit M2 None 0.1mm/rev 30mm deep hole 20-40 80w x 50T x 200l 40 Tool erosion

Cutting speed Test piece size Hardness Tool life(m/min) (mm) (HRC) and point

10mm dia.tapered-shank drill a = 118”

• DH2F (modified (H13) Prehardened) • H-13 (40 HRC)CHIP SHAPE

www.lindquiststeels.com

Daido Steel Limited and Lindquist Steels, Inc. shall not be held responsible for damage caused by misunderstanding or improper use of the technical information con-tained in this brochure. The contents of this brochure may be subject to change without notice. Please inquire for the latest information. No portion of this brochure may be reproduced without the express permission of Daido Steel Limited and International Mold Steel, Inc.

ParametersTool

CUTTING PARAMETERS:Tool : M2, 10 mm dia., tapered-shank drill a=118˚Feed : 0.10mm/revHole depth : 30 mm

Cutting speed : 25m/minTest piece hardness : 40HRCTest piece size (mm) : 100 x 200 x 300

DAIDO STEEL

APPLICATIONS:• Plastic Molds• Zinc Diecasting Dies• Short Run Aluminum

Die Casting Dies• Plunger Tips, Sprue

Bushings• Die Plate Strippers• Dies for Aluminum

Extrusions• Pattern’s and Core Boxes• Others

Lindquist Steels, Inc. 1950 Old Dunbar Road

West Columbia, SC 29172800-845-7052 • FAX: 803-794-6658

Corporate Office: Lindquist Steels, Inc. 1050 Woodend RoadStratford, CT 06615

800-243-9637 • FAX: 203-386-0132

www.lindquiststeels.com

Lindquist Steels, Inc. 1950 Old Dunbar Road

West Columbia, SC 29172800-845-7052 • FAX: 803-794-6658

www.imsteel.com

DH2Flsi 10/2/06 9:57 AM Page 1