Detailed Product Description EQUAL AND REDUCING TEE: Carbon steel, stainless steel, alloy steelDN(mm)End ODSize of center to head faceSeries ASeries B15-150021.9-152418-122025-1118MaterialA234 WPB;A283 ;A105;A53;A106;API 5L,st52 Standard: ANSI,DIN ,ISO ,GB,JIS,BS