API 5L grade B (L245) chemical composition, tensile properties and OD wall thickness tolerances
API 5L Pipe Grade: L245 or Grade B (PSL1) Chemical composition: C: ≤0.28(seamless) ≤0.26(welded) Mn:≤1.20 P:≤0.030 S: ≤0.030 Cu:≤0.50 Ni:≤0.50 Cr:≤0.50 Mo:≤0.15 *Unless otherwise agreed,V+Nb:≤0.06 *V+Nb+Ti: ≤0.15