1.Item:seamless stainless steel reducer 2.Standard:ASTM,JIS,DIN,EN,GB 3.Size: ... "-48" WT: SCH5-160, XS, XXS, STD 1. Item: Stainless steel reducer2. Type: Seamless and welded3. Standard: ASTM, JIS, DIN, EN, GB, KS ... , etc4. Material: 310S, 309S, 316, 316L, 317, 317L, 321, 347, 347H, 304 ...