Tube Specification	Size(inch)	OD(mm)	ickness(mm)
SMS 1145	1"	25.8	1.2
SMS 1145	1.5"	38.0	1.2
SMS 1145	2"	51.0	1.2
SMS 1145	2.5"	63.5	1.6
SMS 1145	3"	76.1	1.6
SMS 1145	4"	104.0	2.0
SMS 1145 (EB)	4"	101.6	2.0