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Nut ministry standard nnterprise standard foreign standard

February 16, 2024

HG 20613-97 Fasteners for steel pipe flanges (American system)

HG 20634-97 Fasteners for steel pipe flanges (European system)

SHJ404-88 Sinopec standard (fasteners for pipe flanges)

HGJ 75-91 Chemical Machinery Department Standard (nut)

GD0534 Ministry of Water Resources and Electric Power Standard (thick hexagonal nut)

GD0535 Ministry of Water Resources and Electric Power Standard (hexagonal nut)

H17-67 Chemical Machinery Department Standard (nut)

JB 2770-79 Mechanical Department Standard (Pg160-320kg/cm2 joint nut)

JB 2775-79 Mechanical Department Standard (Pg160-320kg/cm2 nut)

JB 2954-81 Mechanical Department Standard (technical conditions for turbine hood nuts)

SY15-76 Shanghai Pressure Vessel Factory Standard (high pressure hexagonal nut)

DIN2510/5-74 German standard (nut)

DIN2510/6-74 German standard (long nut)

ASME/ASNIB18.2.2 American Standard (nut)