1.3344 (Germany / DIN) Material Properties

Other designations: , ,
Material group: Ferrous Alloys / Tool steels
Country/Standard: Germany / DIN

Data updates

Latest Update: 2023-10
Total number of updates: 4
Update History:
2021-03 2019-05 2018-09

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Brinell Hardness (HB) 240 — 300 view details
Rockwell Hardness (HR) 48 — 67 view details
Brinell Hardness (HB) 240 — 300 view details
Rockwell Hardness (HR) 48 — 67 view details

Physical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 210 GPa view details
Density 7.72 — 8.1 kg/dm³ view details
Poisson Coefficient 0.27 — 0.3 view details
Modulus of Elasticity 27.6 E+03 — 30.5 E+03 ksi view details
Density 0.279 — 0.293 lb/in³ view details
Poisson Coefficient 0.27 — 0.3 view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
1.15 – 1.25
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
3.8 – 4.5
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 0.40
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
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
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2
CRITERIA
W
VALUE
val1
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UNIT
%
CAS NUMBER
7440-33-7

EN ISO 4957: 2018 / Tool steels

Heat Treatments

  • <b>Soft annealing</b>: Heated slowly at 770-840°C (the upper limit of this temperature range applies to higher alloyed, and the lower limit for lower alloyed high speed steels), held for 2 to 4 hours, slowly cooled in the furnace to 500-600°C, removed from the furnace and placed in a protected place. <br /><br /><b>Hardening</b>: Heated at 1200-1240°C. The temperature of the hot bath should be 500-550°C and must not exceed 580°C during extended use. <br /> When cooling in oil, at about 40-70°C, the samples should be moved slowly and evenly and should not be left in oil until completely cooled, but when they reach 300-200°C. <br /><br /> <b>Tempering</b>: Heated slowly at 540-570°C, held for 1 to 3 hours, depending on the size of the samples. The tempering takes place in a neutral salt bath or in an air circulation furnace.
  • Austenitized at 1200 ± 10°C and quenched. Usual quenching media in practice are air, gas or salt bath. Total heating time of test pieces in a salt bath is 3 min. for hardening and minimum 2 periods of 60 min. each for tempering.<br />Tempered at 560 ± 10°C.