Rail scrap R50, R65 supply from Guinea, FOB term

We have rail scrap R50 and R65 available from Guinea.
All goods sold by the seller are as per the specification below:
ISRI Code: R-50 & R-65 -- The scrap consists of R50-R65 of Rails as R-50 (51.67 kg/m), R-
65 (64.72 kg/m) and Length: Fr, according to INCOTERMS 2000. The goods shall be cut
into pieces of 6-12M lengths.
Chemical Composition
C: 0.54-0.82%
SI: 0.18-0.40%
MN: 0.60-1.05%
S: 0.04% MAX
P: 0.035% MAX
AS: 0.01% MAX OF MASS SHARE
Origin: Republic of Guinea
FOB Africa Port: USD270 per metric ton
Payment: Irrevocable Transferrable Letter of Credit