DIN St 44-2 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: Germany / DIN

Data updates

Latest Update: 2020-03
Total number of updates: 4
Update History
2019-02 2018-12 2015-10

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DIN St 44-2 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.2100
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
≤ 1.5000
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
N
VALUE
≤ 0.0090
UNIT
%
CAS NUMBER
7727-37-9; 17778-88-0
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

Bright steel made from structural steel; technical delivery conditions, DIN 1652-2

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DIN St 44-2 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.67 — 7.86 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 2624 properties — only a subset is shown here.

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DIN St 44-2 Heat Treatments

  • Welded and sized (BKM) - Bright drawn, no heat treatment after welding and sizing; Annealed (GBK) - After sizing, the tubes are annealed in a controlled atmosphere or under vacuum; Normalized (NBK) - The tubes are heat treated above the upper transformation point in a controlled atmosphere or under vacuum.

DIN St 44-2 Mechanical Properties


Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
235 MPa
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Tensile Strength
390 — 890 MPa
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Elongation, A
5 %
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Impact Energy
val1
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J
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