API GR.B steel is standard by API 5L. It is a kind of pipe line steels. The standard API 5L has been translated by Petroleum Standardization Research Institute(PSRI) with the permission of the American Petroleum Institute(API).
API 5L GR.B steel specifies requirements for the manufacture of two product specification levels (PSL 1 and PSL 2) of seamless and welded Steel pipes for use in pipeline transportation systems, in the petroleum and natural gas industries.
API 5L GR.B (PSL 1)
SEAMLESS PIPE |
||||||
|
C |
Mn |
P |
S |
V |
Nb |
Ti |
|
Max, |
max |
max. |
max. |
max. |
max. |
max. |
|
0.28 |
1.20 |
0.030 |
0.030 |
c,d |
c,d |
d |
|
WELDED PIPE |
||||||
|
0.26 |
1.20 |
0.030 |
0.030 |
c,d |
c,d |
d |
c. unless otherwise agreed, the sum of the niobium and vanadium contents shall be ≤0.06%.
d .The sum of the niobium ,vanadium and titanium shall be ≤0.06%.
Besides, 0.50% maximum for copper, 0.50% maximum for nickel, 0.50% maximum for chromium, and 0.15% maximum for molybdenum.
API 5L GR.B steel has the minimum tensile strength of 415MPa, and yield strength range is 245-440MPa.
API 5L GR.B steel price offered by BEBON: we promise we can offer you the qualified API 5L GR.B steel at the competitive price and rapid delivery time. We can also offer API 5L: A,X42,X52,X60,X65,X70. So if you are interested in some items of our materials or need consult for the any technical requirements, please contact us at any time.
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