Increased Energy Security: Pipelines are a reliable and efficient way to transport energy resources, such as Oil and natural gas, from one location to another. This helps to ensure that energy resources are available when and where they are needed, providing increased energy security for countries and regions

Pipelines are a great way to ensure energy security. They provide a reliable and efficient way to transport Oil and natural gas from one place to another, so that energy resources are always available when and where they’re needed. This helps to ensure that countries and regions have access to the energy they need, providing increased energy security.

Chemical Composition, Mass Fraction (%)
Grade   C Mn Mo Cr Ni Cu P S Si
  Type min max min max min max min max max max max max max
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
H40 0.03
J55 0.03
K55 0.03
N80 1 0.03 0.03
N80 Q 0.03 0.03
R95 0.45 c 1.9 0.03 0.03 0.45
L80 1 0.43 a 1.9 0.25 0.35 0.03 0.03 0.45
L80 9Cr 0.15 0.3 0.6 0.9 1.1 8 10 0.5 0.25 0.02 0.03 1
L80 13Cr 0.15 0.22 0.25 1 12 14 0.5 0.25 0.02 0.03 1
C90 1 0.35 1.2 0.25 b 0.85 1.5 0.99 0.02 0.03
T95 1 0.35 1.2 0.25 b 0.85 0.4 1.5 0.99 0.02 0.03
C110 0.35 1.2 0.25 1 0.4 1.5 0.99 0.02 0.03
P110 e 0.030 e 0.030 e
Q125 1 0.35   1.35 0.85 1.5 0.99 0.02 0.01
NOTE Elements shown shall be reported in product analysis.
a The carbon content for L80 may be increased up to 0.50 % maximum if the product is Oil-quenched or polymer-quenched.
b The molybdenum content for Grade C90 Type 1 has no minimum tolerance if the wall thickness is less than 17.78 mm.
c The carbon content for R95 may be increased up to 0.55 % maximum if the product is Oil-quenched.
d The molybdenum content for T95 Type 1 may be decreased to 0.15 % minimum if the wall thickness is less than 17.78 mm.
e For EW Grade P110, the phosphorus content shall be 0.020 % maximum and the sulfur content 0.010 % maximum.

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