Welded Pipe American Piping distributes an extensive selection of welded pipe, including Electric Resistance Welded (ERW) and Double Submerged Arc Welded (DSAW) carbon steel pipe along with their respective flanges and fittings. We also carry A000 Grade B, A000 Grades 0 & 0 spiral weld pipe, and A000 chrome moly pipe. carbon steel Butt weld pipe fitting 00 degree elbow Seamless Carbon Steel Butt Weld Fittings and Welded Carbon Steel Butt Weld Fittings to ASME / ASTM SA / A000 WPB, DIN 0.0000, ANSI B00.0, ANSI B00.00, JIS B0000, JIS B0000, annealed and quenched, beveled ends to ANSI B00.00, hardness to NACE MR0000 - latest edition, IC to ASTM A000E and PMI tested, certificate to EN00000/0.0. carbon steel Butt weld pipe fitting 00 degree elbow Seamless Carbon Steel Butt Weld Fittings and Welded Carbon Steel Butt Weld Fittings to ASME / ASTM SA / A000 WPB, DIN 0.0000, ANSI B00.0, ANSI B00.00, JIS B0000, JIS B0000, annealed and quenched, beveled ends to ANSI B00.00, hardness to NACE MR0000 - latest edition, IC to ASTM A000E and PMI tested, certificate to EN00000/0.0.