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4.2 Anchors |
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4.2.1 End plate and cylindrical anchor shall be in 0Cr13．
4.2.2 Y‐anchor,V‐anchor,S‐anchor andΩ‐anchor shall be in 0Cr18Ni9．
4.2.3 Dual‐layer ring anchor(including stud bolt)should be in 0Cr13 or 0Cr18Ni9,and single‐layer ring anchor shall comply with the following requirements:
1 0Cr13 shall be used when the equipment shell is in carbon steel or Cr‐Mo steel;
2 0Cr18Ni9 shall be used when the equipment shell is in stainless steel．
4.2.4 Hexmesh used for double layer lining shall be in 0Cr13,and hexmesh used for single layer lining shall comply with the following requirements:
1 0Cr13 shall be used when the equipment shell is in carbon steel or Cr‐Mo steel;
2 0Cr18Ni9 shall be used when the equipment shell is in stainless steel．
4.2.5 When in 0Cr13,anchors shall be supplied in annealed condition with hardness no larger than 180 HB ．