ERW pipes buying Turkey

can you please provide us with best price
ERW, seamed, Black Steel pipe shall conforms to ASTM-A-53, Grade-B & wall thickness shall not be less than schedule 40. Pipe size shall be as follows:
Dia 8" 40 rft
Dia 4" 280 rft
Dia 3" 80 rft
Dia 1,5" 140 rft
Dia 1" 40 rft