Alleima® 4L7 Tube and pipe, seamless

Datasheet updated

2022-06-30 12:19
(supersedes all previous editions)

Alleima® 4L7 is a carbon steel used for composite tubes.

Standards

  • ASTM: Grade A-1
  • EN Number: 1.0425
  • EN Name: P265GH
  • W.Nr.: 1.0405
  • DIN: St 45.8
  • SS: 1435

Product standards

  • ASTM A210
  • EN 10216-2
  • DIN 17175 (withdrawn)
  • SS 14 1435 (withdrawn)

Chemical composition (nominal)

Chemical composition (nominal) %
C Si Mn P S
≤0.20 0.3 0.7 ≤0.025 ≤0.020

4L7 is a component in composite tube.

Chemical composition (nominal) %

C Si Mn P S Cr Ni Mo Others
≤0.20 0.3 0.7 ≤0.025 ≤0.020 - - - -

4L7 is a component in composite tube.

Physical properties

Thermal conductivity
Temperature, °C W/m °C Temperature, °F Btu/ft h °F
20 46 68 26.5
100 48 200 27.5
300 46 600 26.5
500 42 900 24.5


Thermal expansion, mean values in temperature range (x10-6)
Temperature, °C Per °C Temperature, °F Per °F
30-100 12.3 86-200 6.8
30-200 12.8 86-400 7.1
30-300 13.5 86-600 7.5
30-400 14.0 86-800 7.8
30-500 14.3 86-1000 8.0

Disclaimer: Recommendations are for guidance only, and the suitability of a material for a specific application can be confirmed only when we know the actual service conditions. Continuous development may necessitate changes in technical data without notice. This datasheet is only valid for Alleima materials.