... -20mm5.Length6000mm6.Material304,304L, 310S, 321, 321H, 316, TP316L, 316L .etc.7.Typeseamless8.Steel grade 300 series9.surface finishPickling, annealing, manual ... -exchange ,nuclear power station, offshore platform, electric power industry, etc.14.Advantages1.High production ability.2.Reasonable price.3.Excellent ...