Line Pipes 3 1/2" Grade L80 API-5CT PSL2

No, you're not. You're inviting others in the engineering community to do your Google search for you, otherwise you'd have done it by now.

Try here:

http://www.bikudo.com/product_search/details/32937/seamless_line_pipe_api_5l_psl1_and_psl2.html

I found this:

Product Description
Specification: API SPEC 5L PSL1 PSL2

Grade: B, X42, X46, X52, X53, X60, X65, X70

Size: From 1/4" to 28", OD from 13. 7 mm to 711. 2 mm

Schedule: SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS

Length: 5. 8 meters for 20' container, 6 meters to 12 meters for 40' container

Packing: In bundles, Varnish coating, Ends can be beveled or square cut, End capped.

The pipes can be 3PE coated.

In case you have any other questions, please email me to linepipechina at gmail dot com, I will be very glad to reply you as soon as possible