Standard: API SPEC 5L.
Application: Transport the gas, water and oil in oil and nature gas industry .
Standerd Product Specification Level Steel Grade Chemical Composition
C Mn P S Si V Nb Ti CEpcm
API5L PSL1 L210 or A ≤0.22 ≤0.90 ≤0.30 ≤0.30 — — — — ≤0.25
L245 or B ≤0.28 ≤1.20 ≤0.30 ≤0.30 — — — — ≤0.25
L290 or x42 ≤0.28 ≤1.30 ≤0.30 ≤0.30 — — — — ≤0.25
L320 or x46 ≤0.28 ≤1.40 ≤0.30 ≤0.30 — — — — ≤0.25
L360 or x52 ≤0.28 ≤1.40 ≤0.30 ≤0.30 — — — — ≤0.25
L390 or x 56 ≤0.28 ≤1.40 ≤0.30 ≤0.30 — — — — ≤0.25
L415 or x 60 ≤0.28 ≤1.40 ≤0.30 ≤0.30 — — — — ≤0.25
Note: c: The sum of the columbium [niobium], and vanadium contents shall not exceed 0.06% except that, by agreement between the purchaser and the manufacturer, an alternative maximum may be established.
Application: Transport the gas, water and oil in oil and nature gas industry .
Standerd Product Specification Level Steel Grade Chemical Composition
C Mn P S Si V Nb Ti CEpcm
API5L PSL1 L210 or A ≤0.22 ≤0.90 ≤0.30 ≤0.30 — — — — ≤0.25
L245 or B ≤0.28 ≤1.20 ≤0.30 ≤0.30 — — — — ≤0.25
L290 or x42 ≤0.28 ≤1.30 ≤0.30 ≤0.30 — — — — ≤0.25
L320 or x46 ≤0.28 ≤1.40 ≤0.30 ≤0.30 — — — — ≤0.25
L360 or x52 ≤0.28 ≤1.40 ≤0.30 ≤0.30 — — — — ≤0.25
L390 or x 56 ≤0.28 ≤1.40 ≤0.30 ≤0.30 — — — — ≤0.25
L415 or x 60 ≤0.28 ≤1.40 ≤0.30 ≤0.30 — — — — ≤0.25
Note: c: The sum of the columbium [niobium], and vanadium contents shall not exceed 0.06% except that, by agreement between the purchaser and the manufacturer, an alternative maximum may be established.