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Duplex Steel Hex Nuts Supplier

A Duplex steel hex nut refers to a hexagonal-shaped nut made from duplex stainless steel. Duplex stainless steel is a type of stainless steel alloy that combines the desirable properties of both austenitic and ferritic stainless steel. It offers excellent corrosion resistance, high strength, and good weldability.

For reliable and corrosion-resistant fastening solutions, trust us as your dedicated Duplex Steel Hex Nuts Supplier.

As an experienced Duplex Steel Hex Nuts Manufacturer, we specialize in producing high-quality hex nuts from Duplex steel, ensuring exceptional strength and resilience for various industrial applications.

Hex nuts, also known as hexagon nuts or hexagonal nuts, have six flat sides and are designed to be used with bolts or threaded rods to secure and fasten components together. They are widely used in various industries, including construction, manufacturing, automotive, and engineering.

Duplex steel hex nuts are specifically made from duplex stainless steel to provide enhanced strength, corrosion resistance, and durability compared to standard carbon steel or austenitic stainless steel nuts. They are commonly used in applications where high mechanical strength and resistance to pitting, crevice corrosion, and stress corrosion cracking are required.

When selecting a duplex steel hex nut, it’s important to consider the specific grade of duplex stainless steel required for the application, as different grades offer varying levels of corrosion resistance and mechanical properties. Common grades of duplex stainless steel include 2205 (S32205), 2507 (S32750), etc.

These nuts are commonly used in environments where high mechanical strength and excellent corrosion resistance are required, such as marine applications, offshore structures, chemical processing plants, and oil and gas industries.
Duplex Steel Hex Nuts are available in various sizes and thread configurations to accommodate different bolt or threaded rod diameters. It’s important to select the appropriate nut size and thread pitch that matches the corresponding bolt or threaded rod for a secure and proper fit.
When using Duplex Steel Hex Nuts, it’s crucial to follow industry standards and proper installation techniques to ensure optimal performance and reliability.

Are Duplex Steel Hex Nuts reusable?

Duplex Steel Hex Nuts can be reusable, depending on their condition after removal. The nuts can be reused if they are in good condition, free from damage or deformities, and meet the required specifications. It is important to carefully inspect the nuts before reuse to ensure their integrity and performance.

Can Duplex Steel Hex Nuts withstand high temperatures?

Yes, Duplex Steel Hex Nuts can withstand high temperatures. Duplex stainless steel exhibits good thermal stability & can maintain its mechanical properties at elevated temperatures. It is essential to consider the specific grade of Duplex stainless steel and its temperature limits to ensure it meets the requirements of the intended application.

Are Duplex Steel Hex Nuts available in different sizes?

Yes, Duplex Steel Hex Nuts are available in various sizes to accommodate different bolt diameters also they are manufactured in standard sizes that conform to industry standards, ensuring compatibility with commonly used bolts.

Specification For Duplex Steel Hex Nuts

Standard ASTM A479 / ASME SA479
Size M02 to M33
Diameter 1/2″ up to 4″
Length: 3 mm to 200 mm
Types Heavy Hex Nuts, Hex Flange Nuts, Hex Jam Nut, Hex Coupling Nut, Heavy Duty Hex Nuts
Dimensions ASME B18.2.2 Heavy Hex Nuts, ASME B18.2.4.6M Metric Heavy Hex Nuts
DIN Standard DIN 934, DIN 985, DIN 936, DIN 929, DIN 1587, DIN 439
Threads METRIC, BSW, UNC, UNF, BSF or as required
Nuts Forming Hot Forged Nuts & Cold Forged Nuts
UTS – Unified Thread Standard UNC, UNF, NPT, UNS, UNEF, NPTF
Certification Dual Certified As per ASTM & ASME Codes
Duplex Steel Hex Bolts

Equivalent Grades Of Duplex Steel Hex Nuts

STANDARD WERKSTOFF NR. UNS
Duplex 2205 1.4462 S31803 / S32205

Duplex Steel Hex nut Dimensions

Hex Nut Dimensions (ANSI/ASME B18.2.2)

Nominal or Basic Major Diameter of Thread

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Width Across Flats (F)

Width Across Corners (G) Thickness of Hex Nuts (H) 
Basic Max Min  Max  Min Basic  Max Min 
1/4 0.2500 7/16 .438 .428 .505 .488 7/32 0.226 0.212
5/16 0.3125 1/2 .500 .489 .577 .557 17/64 0.273 0.258
3/8 0.3750 9/16 .562 .551 .650 .628 21/64 0.337 0.320
7/16 0.4375 11/16 .688 .675 .794 .768 3/8 0.385 0.365
1/2 0.5000 3/4 .750 .736 .866 .840 7/16 0.448 0.427
9/16 0.5625 7/8 .875 .861 1.010 .982 31/64 0.496 0.473
5/8 0.6250 15/16 .938 .922 1.083 1.051 35/64 0.559 0.535
3/4 0.7500 1-1/8 1.125 1.088 1.299 1.240 41/64 0.665 0.617
7/8 0.8750 1-5/16 1.312 1.269 1.516 1.447 3/4 0.776 0.724
1 1.0000 1-1/2 1.500 1.450 1.732 1.653 55/64 0.887 0.831
1-1/8 1.1250 1-11/16 1.688 1.631 1.949 1.859 31/32 0.999 0.939
1-1/4 1.2500 1-7/8 1.875 1.812 2.165 2.066 1-1/16 1.094 1.030
1-3/8 1.3750 2-1/16 2.062 1.994 2.382 2.273 1-11/64 1.206 1.138
1-1/2 1.5000 2-1/4 2.250 2.175 2.598 2.480 1-9/32 1.317 1.245
1-5/8 1.6250 2-7/16 2.438 2.356 2.815 2.686 1-25/64 1.429 1.353
1-3/4 1.7500 2-5/8 2.625 2.538 3.031 2.893 1-1/2 1.540 1.460
2 2.000  3 3.000 2.900 3.464 3.306 1-23/32 1.763 1.675
2-1/4 2.2500 3-3/8 3.375 3.263 3.897 3.719 1-15/16 1.986 1.890
2-1/2 2.5000 3-3/4 3.750 3.625 4.330 4.133 2-5/32 2.209 2.105
2-3/4 2.7500 4-1/8 4.125 3.988 4.763 4.456 2-3/8 2.431 2.319
3 3.000 4-1/2 4.500 4.350 5.196 4.959 2-19/32 2.654 2.534

Duplex Steel Hex Nuts Weight Chart

Size Weight
M1 0.030
M1.2 0.054
M1.4 0.063
M1.6 0.076
M2 0.142
M2.5 0.280
M3 0.384
M3.5 0.514
M4 0.81
M5 1.23
M6 2.50
M7 3.12
M8 5.20
M10 11.6
M12 17.3
M14 25.0
M16 33.3
M18 49.4
M20 64.4
M22 79
M24 110
M27 165
M30 223
M33 288
M36 393
M39 502
M42 652
M45 800
M48 977
M52 1220
M56 1420
M60 1690
M64 1980
M68 2300
M72 2670
M76 3040
M80 3440
M85 3930
M90 4930
M100 6820

Various Types of Duplex Steel Hex Nuts

Hex Nylock Nut

Duplex Hex Nylock Nut

Heavy Hex Nuts

Duplex Heavy Hex Nuts

Hex Dome Nuts

Duplex Hex Dome Nuts

Hex Flange Nuts

Duplex Hex Flange Nuts

Hex Coupling Nuts

Duplex Hex Coupling Nuts

Hex Lock Nuts

Duplex Hex Lock Nuts

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If you require any further information, Please do not hesitate to contact us.

Ready Stock Of Duplex Steel Hex Nuts

  • Duplex Steel F51 Hex Nuts
  • Duplex Steel S32205 Hex Nut 
  • Duplex Steel Hex Cup Nuts
  • ASME SA479 Duplex Steel Hex Nuts
  • SAF 2205 Hexagonal Nuts
  • Duplex Steel Large Hex Nuts
  • Duplex Steel Industrial Hex Nuts
  • S31803 Duplex Steel Hex Machine Nuts
  • Duplex Steel 2205 Hexagon Flange Nut
  • DSS S31803 Hexagon Dome Cap Nuts
  • Duplex Steel 1.4462 Hexagon Nut
  • Duplex Stainless Steel 2205 Hexagon Lock Nut
  • Duplex Steel F60 Hex Nuts
  • Duplex Steel 2205 Hex Nut 
  • DSS S32205 Hex Nuts 
  • Duplex S31803 Hexagon Thin Nuts
  • S32205 Duplex Steel Hex Nuts
  • Duplex Stainless Steel Castle Hex Nuts
  • Duplex 1.4462 Heavy Hex Nuts
  • Duplex Steel Hex Nuts 
  • Duplex Stainless Steel Heavy Duty Hex Nuts
  • Duplex Steel S31803 Hex Nut 
  • ASTM A479 Duplex UNS S32205 Hex Nuts
  • Duplex Stainless Steel S31803 Hex Nuts
Oil and Gas Industry
Power Generation Industry
Chemical Industry
Food Processing Industry

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Singapore, Lithuania, Azerbaijan, Egypt, Mexico, Norway, United States, Philippines, Jordan, Algeria, Oman, Sweden, Kenya, Spain, Ireland, Bolivia, Iraq, Belarus, Venezuela, Turkey., United Arab Emirates, Yemen, Qatar, Finland, Nigeria, New Zealand, Vietnam, Japan, Malaysia, Zimbabwe, Estonia, Portugal, Russia, Libya, Tibet, Saudi Arabia, Gabon, Nepal, Peru, Austria, France, Lahore, China, Puerto Rico, Morocco, Ukraine, Italy, Pakistan, South Korea, Lebanon, Costa Rica, Czech Republic, Indonesia, Slovakia, Israel, Thailand, Brazil, Argentina, Ghana, Tunisia, Serbia, Namibia, Bangladesh, Afghanistan, Algiera, Switzerland, India, Romania, Belgium, Bhutan, Kazakhstan, South Africa, Kuwait, Colombia, Hungary, Trinidad & Tobago, columbia, Chile, Germany, Netherlands, Sri Lanka, Bahrain, Australia, Angola, Greece, Croatia, Taiwan, Poland, Ecuador, Mongolia, Iran, Hong Kong, United Kingdom, Denmark, Canada, Macau, Gambia, Bulgaria.

Cities We Supply

Jamshedpur, Nagpur, Thane, Faridabad, Navi Mumbai, Pune, Chennai, mumbai, Ahmedabad, Bhopal, Howrah, Kanpur, Noida, Bengaluru, Gurgaon, Hyderabad, Secunderabad, New Delhi, Jaipur, Visakhapatnam, Nashik, Haryana, Ludhiana, Surat, Rajkot, Kolkata, Ernakulam , Ranchi, Indore, Thiruvananthapuram, Pimpri-Chinchwad, Chandigarh.