DN	OD Outside Diameter		ASTM A36 GR. A Round Steel Pipe
			SCH10S	STD SCH40
MM	INCH	MM	(mm)	(mm)
15	1/2”	21. 3	2. 11	2. 77
20	3/4”	26. 7	2. 11	2. 87
25	1”	33. 4	2. 77	3. 38
32	1-1/4”	42. 2	2. 77	3. 56
40	1-1/2”	48. 3	2. 77	3. 68
50	2”	60. 3	2. 77	3. 91
65	2-1/2”	73	3. 05	5. 16
80	3”	88. 9	3. 05	5. 49
100	4”	114. 3	3. 05	6. 02
125	5”	141. 3	3. 4	6. 55
150	6”	168. 3	3. 4	7. 11
200	8”	219. 1	3. 76	8. 18

Pressure test, Flaw detection, Eddy current testing, Hydro static testing or Ultrasonic examination and also with chemical and physical property inspectionExpress (Sample Delivery), Air, Rail, Land, Sea shipping (FCL or LCL or Bulk)Q: Are u a manufacturer? A: Yes, we are seamless steel tube manufacturer locates in liaocheng city, Shandong province China Q: Can I have a trial order only several tons? A: Of course. We can ship the cargo for u with LCL serivece. (Less container load) Q: Do u have payment superiority? A: For big order, 30-90 days L/C can be acceptable. Q: If sample free? A: Sample free, but the buyer pays for the freight.