Tee (Equal, Reducing) Describe: Tee (Equal, Reducing) Manufacture Standard: ASME/ANSI B16.9 DIN2615 GB12459 (Seamless), GB/T13401 (Welded) SH3408 (Seamless), SH3409 (Welded) TypeEqual, ReducingRaw MaterialSeamless pipe, Welded pipe, Steel sheet, Forging (High pressure)Manufacture ProcessExtrusion moulding, Hot pressing, Cold-machining,Hot-machining, Welded, Heat treatment