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L2 1.2210

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cold working tool steel Mat.No. 1.2210, DIN 115CrV3, AISI L2 round bar

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Specifications

Designation by Standards

Mat. No.DINENAISI
1.2210115CrV3-L2

Chemical Composition (in weight %)

CSiMnCrMoNiVWOthers
1.170.230.300.65--0.10--

Description:

Low alloyed cold working tool steel.

Applications:

Spiral and tap drills, broaching tools, engraving tools, ejectors, metal saws. 

Physical properties (avarage values) at ambient temperature

Modulus of elasticity [103 x N/mm2]: 210 

Density [g/cm3]: 7.80

Thermal conductivity [W/m.K]: 33.5, 32 (500°C), 31 (700°C)

Electric resistivity [Ohm mm2/m]: 0.33

Specific heat capacity[J/g.K]: 0.46

Coefficient of Linear Thermal Expansion 10ˉ6 °C-1

20-100°C20-200°C20-300°C20-400°C20-500°C
11.812.512.913.513.7

Soft Annealing:

Heat to 710-850°C, cool slowly in furnace. This will produce a maximum Brinell hardness of 223.

Stress Relieving:

Stress relieving to remove machining stresses should be carried out by heating to approx. 650C, holding for 1-2 hours at heat, followed by air cooling. This operation is performed to reduce distortion during heat treatment.

Hardening:

Harden from a temperature of 780-820°C, 800-840°C followed by water or oil quenching. Hardness after quenching is 64-66, 64-66 HRC.

Tempering:

Tempering temperature: 100-400°C.

Tempering Temperature (°C) vs. Hardness (HRC)

100°C200°C300°C400°C450°C
6463595447

Forging:

Hot forming temperature: 1050-850°C. 

Machinability:

No data.

Corrosion Resistance :

This is an alloy steel and it is not corrosion resistant. It will rust unless protected.

ItemDimension (mm)ProcessDelivery condition
Round BarDIA1.0 - 30Cold-drawing / Centerless grindingBright & Anneal
DIA20 - 80PeelingBright & Anneal
DIA 13-180Hot RolledBlack surface & Anneal
DIA 70 - 400Hot RolledBlack surface & Anneal
Flat BarT 3.0-20 X W 20-100Hot RolledBlack surface & Anneal
BlockT 20-200 X 300-800Hot Rolled & Hot ForgedBlack surface /Machine & Anneal
Wire RodDIA 5.5 - 13Hot RolledBlack surface & Anneal
SheetsT1.0 - 2.5Cold RolledBlack surface & Anneal
T 2.5 - 8.0Hot RolledBlack surface & Anneal


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