... 4DIN1629345#ASTM A1045CK45 416MnA210CSt52.4DIN1629St52DIN1629537Mn5J55 Note1PackingStandard export sea-worthy packing2PaymentT/T and L/C at sight3ApplicationStructure transport gas and oil, ... so on. StandardGradeSpecificationsGB10#,20#,45#,16MnO.D.:1/2"-20"W.T.:SCH10-XXSLength:5-12mBSQ195,Q235,Q215,Q345ASTMA283-D,A135-A ... 5CTJ-55,K-55,N-80OD:4.5"-13.375"W.T.:0.205"-0.514"Length:R1,R2,R3Thread:Plain end ...