welded equal tee-all kinds of standards 1) Type:equal tee and reducing tee 2) Material: ... -WPB 3) Size: 1/2"-48" Name :welded equal tee-all kinds of standards1.Type: con reducer,ecc reducer,seamless or welded2.Size ... .Application:Prtroleum, chemical, power, gas,metallurgy,construction6.Surface treatment:Black paint, varnish, rust-proof oil, hot galv. Standard:ASME,JIS,DIN ...