NO.291-4
Detailed Product Description
1.American standard:
Material: ASTM A-197
Dimension: ASME B16.39
Galvanization:ASTM A153
Threads:ANSI B1.20.1
Size:1/8 to 4
2. Hot dipped galvaznized using the first class zinc,normal black and shinning black.
3.. excellent raw materials
4. leakage test one by one
5. precise angles
6. good antirust property
7. strong package