China ASME B16.9 Equal Tee Manufacturer: Carbon Steel ASTM A234 WPB Equal Tee, ASME B16.9, SCH 80, 3 Inch X 3 Inch, Painting, Oiled. Product: ASME B16.9 Equal Tee. Material: Carbon Steel. Standards: ASTM A234 WPB, ASME B16.9. Size: 3 Inch X 3 Inch. THK: SCH 80. Finish: Painting, Oiled, etc.