Super Duplex UNS S31254 Nuts are made from one of the most robust materials designed to withstand even the most challenging conditions. They are made from super duplex stainless steel that is highly durable, corrosion-resistant, and incredibly strong. With superior resistance to crevice corrosion and pitting, these nuts are perfect for use in harsh marine environments or high-pressure applications. Super Duplex Steel UNS S31254 Nuts is a type of high-performance fastener for use in extreme environments. They are highly corrosion-resistant and can withstand temperatures up to 900°F (482°C).
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Super Duplex Steel S31254 Hex Head Nuts are used in many industries because they are solid and durable. They are commonly found in oil & gas production operations because they can handle high temperatures and pressures. They are also used extensively in marine applications due to their superior corrosion resistance. Other industries that use these nuts include aerospace engineering, automotive manufacturing, electronics production, medical device manufacturing, and much more.
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The main benefit of using Super Duplex Steel F44 Lock Nuts is their superior strength. These fasteners have excellent tensile strength up to 85 ksi (580 MPa). That means they can handle heavy loads without breaking or becoming damaged over time. Furthermore, these fasteners have excellent fatigue resistance. They won’t stretch or break under repeated cyclic loading conditions. These fasteners also have superior corrosion resistance. They won’t rust even when exposed to harsh chemicals or salty sea air. We also manufacture Super Duplex UNS S31254 Bolts, Super Duplex UNS S31254 Washers, etc.
Super Duplex WNR 1.4547 Eye Nuts give superior tensile strength up to 85 ksi (580 MPa), excellent fatigue resistance so they won’t stretch or break under repeated cyclic loading conditions, and superb corrosion resistance so they won’t rust even when exposed to harsh chemicals or salty sea air. Different types of products are available, such as Duplex Steel UNS S32205 Tubes, Stainless Steel 904L Round Bars, etc.

Super Duplex Steel S31254 Nuts
Super duplex UNS S31254 nuts come in a variety of shapes and sizes. Some common types include hex nuts, locknuts, flange nuts, and coupling nuts. The most popular type is the hex nut because it can be used for a wide range of applications. It has six sides and is easy to install with either hand or power tools.
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What are super Duplex UNS S31254 Nuts and are composed of what?
Super Duplex UNS S31254 nuts are high-performance fasteners that are designed for use in aggressive environments. They are composed of a super duplex stainless steel alloy that contains high levels of chromium, molybdenum, & nitrogen, with smaller amounts of other elements such as nickel, copper, and tungsten. This alloy is known for its excellent corrosion resistance and high strength.
Are Super Duplex UNS S31254 Nuts Corrosion resistant?
Yes, Super Duplex UNS S31254 nuts are highly corrosion-resistant due to their composition of chromium, molybdenum, and nitrogen. These nuts are designed for use in aggressive environments where corrosion resistance is critical. The high chromium and molybdenum content in the alloy provide excellent resistance to corrosion & pitting, while the addition of nitrogen enhances the strength and corrosion resistance of the material.
What are the applications of super Duplex UNS S31254 Nuts?
Super Duplex UNS S31254 nuts are often used in aggressive environments such as seawater systems, chemical processing, and offshore oil & gas production. These nuts are also utilized in heat exchangers, pressure vessels, and other equipment where corrosion resistance and durability are crucial. In addition, Super Duplex UNS S31254 nuts can be used in construction & infrastructure projects where high strength and resistance to corrosion are required.
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UNS S31254 Super Duplex Steel Nuts Specification
Standard ASTM A182, A479 / ASME SA182, SA479
Grade UNS S31254 F44
Dimensions DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Threads Configuration ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Size M6-M100
Type Cold Forged, Hot Forged, Bar Stock Machined, Bar Stock Milling
Length 3 mm to 200 mm
Get QuoteUNS S31254 Super Duplex Steel F44 Nuts Equivalent Indian Standard
Grade | UNS | WERKSTOFF NR. |
Alloy 254 | S31254 | 1.4547 |
ASTM A182 / ASME SA182 Super Duplex Steel Gr F44 UNS S31254 Nuts Chemical Composition
Grade | C | Ni | Si | N | S | Mn | P | Cr | FE | Ce | |
S31254 | Min | - | 17.5 | - | 0.18 | - | - | - | 19.5 | Balance | 0.03 |
Max | 0.02 | 18.5 | 0.08 | 0.22 | 0.01 | 1.00 | 0.03 | 20.5 | 0.08 |
ASTM A479 / ASME A479 Super Duplex Steel UNS S31254 F44 Nuts Mechanical Properties
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
Rockwell B (HR B) max | Brinell (HB) max | ||||
S31254 | 650 | 300 | 35 | 50 | 270 |
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