... covered two ends, black painting, tied in bundle by steel strip for the convenience of long distance transportationDelivery Detail:within 30 daysP91 ... , 10MoVNb, 12CrMo, 15CrMo, 12Cr2MoISO 9329-2-1997 for high pressure --Chemical fertilizer equipmentASTM A161-94Seamless steel tubesGB9948-8610, 20, 12CrMo, 15CrMo, 1Cr2Mo ...