1.2210 115CrV3-1

Chemical Composition :

C

Min.Max.

%%

1.101.25

Si0.150.30

Mn0.200.40

0.030

0.030

P

S

Cr0.500.80

V0.070.12

Material Code :

DIN1.2210115CrV3

ASTML2

JISSKS43

GOST11ChF

Properties :

Chromium-vanadium alloyed cold work tool steel with high wear resistance, high edge holding properties, simple heattreatment, good machinability and toughness properties, bright ground and polished according to standard DIN 670 h8.

Applications :

Silver steel for guiding pins, small tools and structural parts in precision mechanics, button-type drills and jagged bits,screw taps, milling cutters, broaching tools, piercing punches, ejector pins, twist drills, punches and taps, surgical inst-ruments, reamers, countersinks, dowels, engraving tools, metal cutting saws, axles and shafts, toothed drills, scrapingtools, gear cutters, mortice, wood chisels, guide rods.

Physical Properties :

Density

:at 20 °C 7,80 kg/dm3

Thermal expansion between:20 °C and... °C, 10-6 m/(mK)100 °C11,8

200 °C12,5

300 °C12,9

400 °C 13,5

500 °C13,7

Thermal conductivity:at 20 °C 32,0 W/(m.K)

Heat Treatment :

Annealing

Hardness after annealingStress relievingHot formingHardening

Quenching media

:710 - 750 °C:Max. 220 HB:Approx. 650 °C:1050 - 850 °C

:780 - 810 °C or 810 - 840 °C

:780 - 810 °C, Water

810 - 840 °C, Oil ( up to 15 mm diameter )

Hardness after quenching: - 66 HRCHardness after tempering:

100 °C HRC

200 °C62 HRC

300 °C57 HRC

400 °C51 HRC

ÖZ ÇELÝK TÝCARET LTD.ÞTÝ.

Heat Treatment Sequence

120011001000900800

Hardening

Temperature, °C700600

Preheat stage

5004003002001000

Time

Cleaning / Hardness test

Air cooling

Cooling in furnace

Tempering to

working hardnessWater, Oil

Stress relieving

Time - Temperature - Transformation Diagram

1200

Austenitizing 800 °C

11001000

666270

Tempering Diagram

Ac

1e

Hardness, HRC900

585042

115CrV3

38

Temperature, °C800700

A + K

600

5

Ac

P100

5090

100

100

100

100100

1b

500

3

Zw

20

40

5

40030020010001SecondsTime

10

Ms

Heat treatment :

3430

790 °C / Water0

100200300400

500600700800

M

8

883

4

847575

1

363322287275

256

230

203

198

Tempering temperature, °C

10

1010000

101

10

1010100

Minutes

1000

Stock Sizes

Round Bars mm

Max.mm

22.533.4.555.566.577.58

Min.mm

1.9862.4862.9863.4823.9824.4824.9825.4825.9826.4786.9787.4787.978

kg/m

0.0240.0380.0550.0750.0980.1240.1530.1850.2210.2590.3000.3450.392

Max.mm

8.599.51010.51111.51212.513141516

Min.mm

8.4788.97.47.97810.47310.97311.47311.97312.47312.97313.97314.97315.973

kg/m

0.4430.4960.5530.6130.6750.7410.8100.8820.9571.0351.2011.3781.568

Max.mm

171819202223242528303235 40

Min.mm

16.97317.97318.96719.96721.96722.96723.96724.96727.96729.96731.96134.96139.961

kg/m

1.7701.9852.2122.4502.9653.2413.5293.8294.8025.5136.2707.5049.802