A heavy hex nut made of alloy steel, manufactured in accordance with ASTM Standard A194 Grade 2H.
Used for high-temperature and high-pressure conditions.
Heavy hex nuts are slightly larger and thicker than standard (finished) hex nuts. There are numerous grades and the heavy pattern is typically used for large diameter and high strength bolts.
Diameter:
M27 to M64 up to 1200 MM in Length
Duplex & Super Duplex :
UNS31803,S32750.
Diameter:
M27 to M64 up to 1200 MM in Length
Hastelloy:
Hastelloy C-276, Hastelloy C-22.
Diameter:
M27 to M64 up to 1200 MM in Length
Exotics:
904L, A-286, Alloy20, Alloy50, NitronicAlloys50, Titanium.
Diameter:
M27 to M64 up to 1200 MM in Length
Nickel Alloys :
Inconel600, 601, 625, 718, 750, 800/800H, 825, 925, Monel 400, 405, K-500 & Nickel 200.
Diameter:
M27 to M64 up to 1200 MM in Length