... E X52, GRADE E X56, GRADE E X60Delivery condition: R, NSize range: OD NPS 2 1/2 TO NPS ... PSLSteel grade DeliveryconditionC maxSi maxMn maxP maxS maxPSL1B(L245)R,N0.28--1.20 0.030 0.030 X42( ... 40 1.20 0.0250.015X42R(L290R)X42N(L290N)R,N0.240.40 1.20 0.0250.015X46N( ... N0.240.40 1.20 0.0250.015Note: R: As-rolled; N: normalizing rolled, normalizing formed MECHANICAL PROPERTIESPSLSteel gradeYieldstrengthMin(Mpa ...