"H" beams

I am looking for the item above to supply in a particular site.
Take note of the following.
1 the quantity i need is 40
2The H beam length is 60M or 20"
3Highest centre web = 30.48mm or 12" or 1ft
4Thickness of centre web =8mm or 5/16"
5Thickness of bottom /Top web 6.4mm or 5/8"
6 Width bottom/Top web152.4mm or 6"
7Must be made of Medium Carbon Steel conformed to Lloyd Tested standards
8Must have certificate of conformation
Kindly send us your Quotation.Your prices should include shipp