... pressure reducing alloy steel tee 1)Size:DN6 to DN100 2)Certification:CE, ISO 3)Standard:ISO,GB,DIN,JIS, ... forward to your verification.Details of the goods description:1) Name: high pressure pipe elbow, high pressure ... 316L, 316Ti, 317, 317L, 321, 321H3) Standare: ISO, DIN, JIS B2316, SNSI, SMSI, GB/T12459,GB/T,ASME, ... architectural, transportation, exhaust system high pressure reducing alloy steel tee