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International ISO L415 Petroleum and natural gas industries - Steel pipe for pipelines - Technical delivery conditions - Part 1: Pipes of requirement class A and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: L415 / L415
Category Grade Standard Region/Area Standard Content
Metals L415 ISO 3183-1 International Petroleum and natural gas industries - Steel pipe for pipelines - Technical delivery conditions - Part 1: Pipes of requirement class A

Chemical composition(mass fraction)(wt.%) of the L415

Element Min Max Similar
S - 0.0300 -
P - 0.0300 -
Mn - 1.3500 -
C - 0.2600 -

Mechanical Properties of steel grade L415

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
557 (≥) 375 (≥) 11 24 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade L415

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
31 - -     0.21 -  
266 485 - 42.3 212   -  
692 - 12 44.2   124 211

Heat Treatment of steel grade L415

Heat treated : 1288°C - 1463°C

Technological Curves of steel grade L415

Cross Reference Table (Equivalent Grade) of L415

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