Intended for the construction of valves as well as parts that are to be used for high-temperature service, the A182 F53 Bolts are deemed as a well invested component. This is because the alloy can not only resist general corrosion but they exhibit excellent mechanical properties, which are a result of the duality noticed in their microstructure.

A182 F53 Bolts

Per details given in the ASTM A182 specification, the ASTM A182 Gr F53 screws are to be hot worked following which these forgings need to be cooled to a specific temperature before heat treatment is to be performed on them. This heat treatment conducted on the Super duplex F53 threaded rod is to be in accordance with certain parameters for instance - heat treatment type, austenitizing or solution temperature, along with cooling media, and quenching requirements as well.

Apart from the chemistry of the ASTM A182 F53 uns s32750 Hex Bolt, the material used to manufacture them are to conform to the requirements with regards to the mechanical properties. The mechanical properties of the F53 super duplex Nut such as tensile strength, yield strength, elongation, Brinell hardness are tested to check their conformance to the ASTM A182 specification. Apart from having very high mechanical strength, the UNS S32750 F53 Stud exhibits good resistance to localized corrosion as well as to stress related corrosion cracking.

Chemical Element of UNS S32750 F53 Stud

Chemical In Percentage
Molybdenum, Mo 3 -
Nickel, Ni 6 -
Phosphorous, P 0.035 Max
Chromium, Cr 24 - 26
Silicon, Si 0.8 Max
Carbon, C 0.03 max
Sulfur, S 0.015 Max
Manganese, Mn 1.2 Max
Iron, Fe Balance
Copper, Cu Balance
Nitrogen, N 0.3

Super Duplex F53 threaded rod Mechanical Strength Table

Gr. Tensile Strength
(MPa) min
Yield Strength
0.2% Proof (MPa) min
(% in 50mm)
Rockwell C (HR C)
Alloy F53 110 80 15 28 max

A182 F53 Bolts material specification

Sizing 3/6 inch upto 2 inch | M3 – M56
Standard ASTM A182/ ASME SA182
Lengths M02 to M152.4