GB/T9711-2011 L360Q/X52Q PSL2 LSAW pipeline is mainly used in pipes, supports, oil, natural gas, etc., L360Q X52Q PSL2 LSAW pipeline's surface can be galvanized, 3PE, paint, coating oil, steel, drilling or according to customer requirements,can accept chemical composition analysis, mechanical properties, technical performance, visual inspection, water Pressure test, X-ray test, size and visual inspection, nondestructive testing.