... 4303) Standard:ASTM A554, ISO9000 4) Product range:a) Round tube and embossed tube : O. D. mm9.5 , ... 24*24 , 25*13 , 25*25 , 28*28 , 30*15 , 30*30 , 30*60 , 36*23 , 36*36 , 38*25 , 38*38 ... HL, 2B, BA7) Term of payment : T / T 30% in advance ,the balance 70% to be paid at delivery .8 ... 4) Southeast Asia 5) Western Europe 13) Export Percentage :30% - 50%14) Polishing :600grit ,400grit ,320grit ,240grit ...