15MNNBR cryogenic container board

15MnNbR domestic brands are also known as Q370R, is a container plate * 137 * 8354 * 4042 *

Q370R was released in GB713-2008 standard grades after the old standard grade 15MnNbR

 

Implementation of standards

Appearance standard: GB713-2008

Internal standard: GB713-2008

 

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