S T R U C T U R A L S T E E L S

C O N T E N T SRS 025 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

RS 031 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

RS 045 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

RS 059 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

RS 062 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

→ CHEMICAL COMPOSITION (W%) → PROPERTIES

→ APPLICATION

S T R U C T U R A L S T E E L S

QU

ALIT

Y

Parts which require greater toughness in the automotive and aerospace industries, such as; drive shafts, axles, connecting rods, crankshafts, pins, bolts, etc .

Cr, Mo and Mn low-alloy steel known for its good toughness and torsional strength . The steel has good machining properties .

soft annealing cooling hardness (HB)680-720 °C furnace <241hardening quenching hardness (HRC)820-860 °C oil, water

→ HEAT TREATMENT

C Si Mn Cr Mo Ni0.41 0.20 0.75 1.05 0.23 -

→ W.NR.: 1.7225 (EN ISO 4957)

→ EN / DIN: 42CrMo4

→ AISI: 4142

RS 025

→ DELIVERY CONDITION:

quenched and tempered at 750-1300 N/mm2 depending on the diameter of the bar≤ Φ16mm 1100-1300 N/mm2

≥ Φ17≤40 mm 1000-1200 N/mm2

≥ Φ41≤100 mm 900-1100 N/mm2

≥ Φ101≤160 mm 800-950 N/mm2

≥ Φ161≤250mm 750-900 N/mm2

→ PROCESS: conventional

S T R U C T U R A L S T E E L S

↘ cct↘ tt

DISCLAIMERThe information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other purposes. There is no representation that the recipient of this literature will receive updated editions as the become available.

1 10 1000100 10000 100000

100010010

10

1

1

Time in minutes

Time in hours

Time in seconds

Marks:A - AusteniteK - CarbideP - PerliteM - MartensiteB - Bainite

Tem

pera

ture

in (˚

C)

0

100

200

300

400

500

600

700

800

900

1000

1100

1200

632HV

627HV

572HV

493HV

340HV

245HV

231HV

207HV

V� T = 52,5 °C/sekV� T = 36,2 °C/sek

V� T = 10 °C/sek

V� T = 2,7 °C/sekV� T = 1,3 °C/sek

V� T = 0,17 °C/sekV� T =0,089 °C/sek

V� T = 0,044 °C/sek

AF+P

MsM

B

Ac₁ = 735 °C

Ar₁ = 665 °C

Ac₃ = 800 °C

Ar₃ = 730 °C

Tempering temperature [°C]

Tens

ile st

reng

th a

nd 0

,2%

pro

of st

ress

[N/m

m2 ]

Redu

ction

of a

rea

and

elon

gatio

n [%

]

0 100 200 300 400 500 600 7000 0

200

400

600

800

1000

1200

1400

1600

1800

2000

10

20

30

40

50

60

70

80

90

100

Tensile strength0,2 % proff stressReduction of areaElongation

RS 025

→ CHEMICAL COMPOSITION (W%) → PROPERTIES

→ APPLICATION

S T R U C T U R A L S T E E L S

QU

ALIT

Y

Steel suitable for carburising, cold shrinking . Suitable for the manufacture of gears, shafts, universal joints, etc .

Alloy, special carbon steel.

soft annealing cooling hardness (HB)650-700 °C furnace <207hardening quenching hardness (HRC)860-980 °C oil, water, warm bath

→ HEAT TREATMENT

→ DELIVERY CONDITION: soft annealed with a hardness of <207 HB

→ PROCESS: conventional

C Si Mn Cr Mo Ni0.16 Max 0.40 1.15 0.95 - -

→ W.NR.: 1.7131 (EN ISO 4957)

→ EN / DIN: 16MnCr5

→ AISI: 5115, 5117

RS 031

S T R U C T U R A L S T E E L S

DISCLAIMERThe information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other purposes. There is no representation that the recipient of this literature will receive updated editions as the become available.

RS 031

↘ cct↘ tt

→ CHEMICAL COMPOSITION (W%) → PROPERTIES

→ APPLICATION

S T R U C T U R A L S T E E L S

QU

ALIT

Y

For all types of base plates, tools for plastic processing, cold and hot applications . Hand tools such as knives, axes, hammers, etc.

Suitable for work at higher temperatures . Hardening achieves a harder surface and a tough core.

soft annealing cooling hardness (HB)680-710 °C furnace <207hardening quenching hardness (HRC)820-860 °C oil, water

→ HEAT TREATMENT

→ DELIVERY CONDITION: soft annealed with a hardness of <207 HB

→ PROCESS: conventional

C Si Mn Cr Mo Ni0.45 Max 0.40 0.65 Max. 0.40 Max. 0.10 Max. 0.40

→ W.NR.: 1.1730 (EN ISO 4957)

→ EN / DIN: C45 W

→ AISI:

RS 045

S T R U C T U R A L S T E E L S

↘ cct↘ tt

DISCLAIMERThe information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other purposes. There is no representation that the recipient of this literature will receive updated editions as the become available.

1 10 1000100 10000 100000

100010010

10

1

1

Time in minutes

Time in hours

Time in seconds

Marks:A - AusteniteK - CarbideP - PerliteM - MartensiteB - Bainite

Tem

pera

ture

in (˚

C)

0

100

200

300

400

500

600

700

800

900

1000

1100

1200

509HV

497HV

332HV

258HV

251HV

240HV

234HV

V� T = 42,5 °C/sekV� T = 29,5 °C/sek

V� T = 7,8 °C/sekV� T = 2,1 °C/sek

V� T = 1 °C/sek

V� T =0,14 °C/sek

V� T = 0,042 °C/sek

A

FP

MsM

B

Ac₁ = 720 °CAr₁ = 670 °C

Ac₃ = 790 °C

Ar₃ = 740 °C

Tempering temperature [°C]1000 200 300 400 500 600 700

Hard

ness

in H

RC

40

55

50

60

45

35

30

65

70

RS 045

→ CHEMICAL COMPOSITION (W%) → PROPERTIES

→ APPLICATION

S T R U C T U R A L S T E E L S

QU

ALIT

Y

For springs . Can be quenched and surface hardened . Highly-burdened parts for cars, machines, etc.

Spring steel. Low-alloy, special structural Cr-V steel.

soft annealing cooling hardness (HB)640-720 °C furnace <217hardening quenching hardness (HRC)

820-860 °C oil, water see the scale of discounts

→ HEAT TREATMENT

→ DELIVERY CONDITION: soft annealed with a hardness of <248 HB

→ PROCESS: conventional

C Si Mn Cr V Mo0.51 Max 0.40 0.90 1.05 0.18 -

→ W.NR.: 1.8159 (EN ISO 4957)

→ EN / DIN: 50CrV4

→ AISI: 6145/6150

RS 059

S T R U C T U R A L S T E E L S

↘ cct↘ tt

DISCLAIMERThe information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other purposes. There is no representation that the recipient of this literature will receive updated editions as the become available.

1 10 1000100 10000 100000

100010010

10

1

1

Time in minutes

Time in hours

Time in seconds

Marks:A - AusteniteK - CarbideP - PerliteM - MartensiteB - Bainite

Tem

pera

ture

in (˚

C)

0

100

200

300

400

500

600

700

800

900

1000

1100

1200

724HV

702HV

682HV

404HV

362HV

270HV 260

HV

254HV

V� T = 38,8 °C/sekV� T = 30,4 °C/sek

V� T = 8,3 °C/sekV� T =2,5 °C/sek

V� T = 1,1 °C/sek

V� T =0,15 °C/sekV� T =0,088 °C/sek

V� T = 0,043 °C/sek

A

P

MsM

B

Ac₁ = 728 °C

20 100

100 100 97 40 30

100 100

5060

3

Ar₁ = 660 °C

Ac₃ = 780 °C

Ar₃ = 700 °C

Mikrotrdota HV 0,1

Distance from quenched end in mm0 10 20 30 40 50 60

Hard

ness

in H

RC

20

50

40

60

30

10

0

70

RS 059

→ CHEMICAL COMPOSITION (W%) → PROPERTIES

→ APPLICATION

S T R U C T U R A L S T E E L S

QU

ALIT

Y

For cold application, for tools for plastics . Suitable for polishing, with a tough core and wear-resistant surface .

Case hardening special tool steel . Suitable for carburising . Good polishability .

soft annealing cooling hardness (HB)670-710 °C furnace <217hardening quenching hardness (HRC)850-880 °C oil, water, warm bath

→ HEAT TREATMENT

→ DELIVERY CONDITION: soft annealed with a hardness of <217 HB

→ PROCESS: conventional

C Si Mn Cr Mo Ni0.19 Max 0.40 1.25 1.15 - -

→ W.NR.: 1.2162 (EN ISO 4957)

→ EN / DIN: 21MnCr5

→ AISI: 5120

RS 062

S T R U C T U R A L S T E E L S

↘ cct↘ tt

DISCLAIMERThe information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other purposes. There is no representation that the recipient of this literature will receive updated editions as the become available.

1 10 1000100 10000 100000

100010010

10

1

1

Time in minutes

Time in hours

Time in seconds

Marks:A - AusteniteK - CarbideP - PerliteM - MartensiteB - Bainite

Tem

pera

ture

in (˚

C)

0

100

200

300

400

500

600

700

800

900

1000

1100

1200

396HV

311HV

289HV

251HV

724HV

724HV

724HV

724HV

724HV

724HV

V� T =78 °C/sekV� T = 41 °C/sek

V� T = 34,1 °C/sek

V� T = 8,7 °C/sek

V� T = 2,2 °C/sek

V� T = 0,69 °C/sek

V� T = 0,15 °C/sekV� T = 0,081 °C/sek

V� T = 0,040 °C/sek

V� T = 1,2 °C/sek

A

MsM

B

FAc₁ = 740 °C

50

50

50

40 4040

4040

4040

30

305

60 6070

5520

60 60 60 60

Hardness HV 0,1

P

Ac₃ = 835 °C

Tempering temperature [°C]1000 200 300 400 500 600 700

Hard

ness

in H

RC

40

55

50

60

45

35

30

65

70

RS 062