Duplex2205 stainless steel hex nut heavy hex nut ASME B18.2.2
ASTM A479 Duplex Steel UNS S31803 Nuts have excellent general corrosion resistance in a variety of aggressive chemicals including seawater and industrial acids. The microstructure of ASME SA 479 Duplex Steel UNS S32205 Hex Nuts consists of a mixture of austenitic and ferritic phases. Therefore, it exhibits the properties of austenitic and ferritic stainless steels.
Type “Stud Bolt
Hex Bolt £¨full thread£¬partial thread)
Thread Rod
U-Bolt U
Hex Socket Cap Screw
Hex Nut
Flat Washer
Spring Washer ”
Size DIN£ºStud Bolt £ºM6~M100 £¬Hex Bolt £ºM6~M64
ASME£ºStud Bolt£º1/4″~5″£¬ Hex Bolt £º1/2″~2 1/2″
Finish Cold galvanizing ,Hot-dip Galvanizing ,PTFE ,Zinc Nickel ,Black coating ,Plain
Producing Standard ASME £ºASME B18.2.1
ASME B18.2.2
ASME B18.22.1 Plain Washer
DIN£ºDIN931 Hex Bolt with partial thread
DIN 933 Hex Bolt with full thread
DIN 912 Hex Socket Cap Screw
DIN 934 Hex Nut
DIN 125 Plain Washer
DIN127 Spring Washer
DIN 975 Threaded Rods
DIN 976 Stud Bolts
DN 3570 U-Bolt
Material Grade Duplex Steel 2205 /S31803 ,S32750/2507 ,S32778