AH32/DH32 Seamless steel pipe
  
AH36/DH36 Seamless steel pipe
  
ABS Rules for Classification of Ships
  
DNV-GL Rules for Classification of Ships
  
LR Rules for Classification of Ships
  
BV Rules for Classification of Ships
  
KR Rules for Classification of Ships
  
NK Rules for Classification of Ships
  
CCS Rules for Classification of Ships
  
  
  
  
  
  
  
  
  

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