ASTM A 53 Grade A/B ASTM A 106 Grade B BS/ 3059/68/ Part I / CDS / ST - 33 BS/ 3059/68/ Part I / HFS / ST - 33 ASTM 210 A-1 / DIN 17175 / ST 35 - 8 BS / 3059 / 1976 / Part I ERW - 320 BS / 3059 / 1976 / Part I CEW - 320 ASTM 335-P-1,P-5,P-11,P-22,P-9 ASTM 213 T-11,T-22 ASTM 209 T-1 DIN 17135 Grade 3 15 MO3 ASTM 200 P- 4, P5, P11, P22, P- 7, P - 9 ASTM 199 ( P - 4, P5, P11, P22, P - 7, P - 9
