Seamless or Welded Fittings Types: ELBOW, TEES, REDUCERS, CAPS, SPLIT TEE, Y TEE, BARRED TEE, STUB ENDS. ETC. Specifications and Steel Grade: •CARBON STEEL: ASTM A234 WPB, WPC; ASTM A420 WPL9, WPL3, WPL6, WPHY-42, WPHY-46, WPHY-52, WPHY-60, WPHY-65, WPHY-70, •ALLOY STEEL: ASTM A234 WP1, WP11, WP12, WP22, WP5, WP9, WP91 •STAINLESS STEEL: ASTM A403 WP304/304L, WP316/316L, WP321, WP347 Size Range: •Carbon Steel: From ½" up to 96" •Stainless Steel (Seamless): From ½ up to 24" •Stainless Steel (Welded): From 26" up to 72" Schedule: •Carbon & Alloy Steel: SCH STD, XS, XXS, SCH 10 ~ SCH 160 and special thickness •Stainless Steel: SCH 5S, 10S, 40S, 80S and special thickness Size Range: •Seamless Series: OD: 10.3 - 830 mm; Thickness: 1.7 - 70 mm •Welded Series: OD: 10 - 2600 mm; Thickness: 3 - 30 mm