... 2.Quality assured,shipment prompt. 90 degree stainless steel elbows Features:1) Type: butt welded and seamless pipe fitting2) ... ,GB/T 13401,SH3408,SH3409,HG/T21635,HG/T21631.5) Material: 304,TP304,316L,TP316L, 321,310S6) Our products are corrosion ...