HG/T20634-2009 Specified steel nut for pipe flange

Standard classification:

Demension standard

Standard system:

National standard(GB)

Shape classification:

Nut

Detailed description:

Nuts used in conjunction with the full threaded studs shall conform to the size of heavy hex nut according to HG/ T20634-2009. (specified nut)

The performance grade shall meet requirement of specified mechanical performance.

Material like CrMo30, 35CrMo, 0Cr18Ni9, 0Cr17Ni12Mo2, A194 8, 8M, A194 7 are applicable; Thread specification: M14~M90*3.