1.Desc.:Large diameter stainless steel saemless pipe 2.Grade:304,304L,304N, ... customer's reqestments.Inspection:products analysisMechanical tests, hydrostatic or nondestructive test, hardness test,Intergranular corrosion testDelivery Time:45~60 days ,according to ... products,please feel free to contact to us,thank you. Large Diameter Stainless Steel Seamless Tube