Detailed Product Description Equal TEE AND Reducing TEE Forming Type: 1/2-16 Cold Inner Expand 18-48 Hot Press Forming.Size:Seamless Fittings 1/2-16(DN15-DN400); Welded Fittings1/2-48(DN15-DN1200)Standard:ASME B16.9, MSS SP-43 , DIN 2615,JIS B2313 , GB/T12459, GB/T13401,SH3408,SH3409,HG/T21635 ,HG/T21631Wall Thickness: SCH5S-SCH160Material: 304 304L 321 316 316L Stainless Steel ,Carbon Steel,etc