E155 (European Union / EN) Material Properties

Other designations:
Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: European Union / EN

Data updates

Latest Update: 2016-05
Total number of updates: 2
Update History:
2014-05

Mechanical Properties

Temperature

≤ 0°C
0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 130 MPa view details
Tensile Strength 260 — 410 MPa view details
Elongation, A 6 % view details
Impact Energy val1
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J view details
Impact Energy val1
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J view details
Yield Strength, Rp0.2 18.9 ksi view details
Tensile Strength 37.7 — 59.5 ksi view details
Elongation, A 6 % view details
Impact Energy val1
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ft·lb view details
Impact Energy val1
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ft·lb view details

Physical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 210 GPa view details
Density 7.67 — 7.86 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 0.277 — 0.284 lb/in³ view details
Poisson Coefficient 0.27 — 0.3 view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.11
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
≤ 0.70
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
P
VALUE
≤ 0.045
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

EN 10296-1: 2003 / Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 1: Non-alloy and alloy steel tubes

Heat Treatments

  • Welded and cold sized (+CR1) - Normally not heat treated, but suitable for final annealing. After annealing or normalizing, the resulting mechanical properties meet the requirements specified for the delivery condition +A or +N, respectively.<br> Welded and cold sized (+CR2) - Not intended for heat treatment after the welding and sizing. If further heat treatment is applied, the resulting mechanical properties may be outside the specified requirements.
  • Welded and cold sized (+CR1) - Normally not heat treated after welding and sizing, but suitable for final annealing or normalizing. After annealing or normalizing, the resulting mechanical properties do not necessarily have to meet the requirements specified for the delivery condition +A or +N.<br>Soft annealed (+A) - After welding and sizing the tubes are annealed in a controlled atmosphere.<br>Normalized (+N) - After welding and sizing the tubes are normalized in a controlled atmosphere.