CSN 19 191 Tool steels

Material group: Ferrous Alloys / Tool steels
Country / Standard: Czech Republic / CSN

Data updates

Latest Update: 2023-04
Total number of updates: 2
Update History
2018-06

This material has 15 properties — only a subset is shown here.

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CSN 19 191 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.95 – 1.09
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 0.15
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.20 – 0.35
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
P
VALUE
val1
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UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3

CSN 41 9191: 1967 / Carbon steel 19 191

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CSN 19 191 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.72 — 8 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 15 properties — only a subset is shown here.

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CSN 19 191 Heat Treatments

  • Forging at 1000 to 800°C, slowly cooling in still air or better, for example, in dry ash.
    Normalization at 790 to 810°C, cooling in air.
    Soft annealing at 680 to 710°C, heating for several hours (by piece size), usually 4 hours and slowly cooling in the oven.
    Annealing to reduce stress at 600 to 650°C, 1 to 2 hours to warm up and slowly cool in the oven.
    Hardening:
    a) in water at 750 to 770°C, smaller and formally complex objects.
    b) in water at 760 to 790°C, large and simple-looking objects.
    Larger objects can be varnished by means of a wing, shaped more complex objects prone to calving cracks polished. c) in oil at 790 to 820°C, thin objects under 3 mm. After hardening in the oil, the cross-sectional area of the oil that is drilled reaches a hardness of about 62 HRC. Cross sections thicker than 3 mm when hardened into oil have a turbid layer irregular and are softer on the surface
    Tempering:
    at 100 to 250°C, cool in the air or in the water. The degree of tempering is governed by the required hardness and toughness of the tool.

CSN 19 191 Mechanical Properties

Temperature

PROPERTY / VALUE
Brinell Hardness (HB)
≤ 200
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Rockwell Hardness (HR)
≥ 64
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Vickers Hardness (HV)
≥ 813
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  • -Cross References
  • 7Composition
  • 3Mechanical Properties
  • 3Physical Properties
  • 2Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • -Total Suppliers