... . O. D. 40 - 1400 mm 3. Application Fluid pipe 4. Production technology ERW Straight Seam Welded Steel Pipe1. Size range: OD: 40mm-1400mm W ... . B, X42, X52, X65, X70, API 5CT J55, N80, L80, ASTM A53 GrA/B, EN10224 L235, L275, L355, etc. 4. Black ...