KS D 3566 / Carbon Steel Tubes for General Structural Purposes Outside Diameter Wall Thickness Weight Area Moment of inertia Section modulus Radius of

1. Product Information With optimal molding technology and ERW(Electric Resistance Welding) method, the pipe with outside diameter less than 92.mm High strength, extremely thick(up to T/OD=25%, Sch.160) steel pipes -> Replaced by seamless steel pipes Eddy Current Testing(ECT), non-destructive testing guarantees weld ability -> API J-55

1. Product Information With optimal molding technology and ERW(Electric Resistance Welding) method, the pipe with outside diameter less than 92.mm High strength, extremely thick(up to T/OD=25%, Sch.160) steel pipes -> Replaced by seamless steel pipes Eddy Current Testing(ECT), non-destructive testing guarantees weld ability -> API J-55

1. Product Information With optimal molding technology and ERW(Electric Resistance Welding) method, the pipe with outside diameter less than 92.mm High strength, extremely thick(up to T/OD=25%, Sch.160) steel pipes -> Replaced by seamless steel pipes Eddy Current Testing(ECT), non-destructive testing guarantees weld ability -> API J-55

1. Product Information With optimal molding technology and ERW(Electric Resistance Welding) method, the pipe with outside diameter less than 92.mm High strength, extremely thick(up to T/OD=25%, Sch.160) steel pipes -> Replaced by seamless steel pipes Eddy Current Testing(ECT), non-destructive testing guarantees weld ability -> API J-55

1. Product Information With optimal molding technology and ERW(Electric Resistance Welding) method, the pipe with outside diameter less than 92.mm High strength, extremely thick(up to T/OD=25%, Sch.160) steel pipes -> Replaced by seamless steel pipes Eddy Current Testing(ECT), non-destructive testing guarantees weld ability -> API J-55