M6 to M100
Wide Metric & Imperial Range
S31803 & S32205
Dual Grade Certification
25+ Countries
Trusted Global Exporter
EN 10204/3.1
Mill Test Certification
PREN 35+
High Chloride Resistance
Solution Annealed
Ready-to-Install Condition
ASTM & ASME
Standards Compliant Fasteners
Direct Factory Price
No Middleman Markup
Duplex 2205 Fasteners Snapshot
Metric Range
M6 to M100
Imperial Range
1/4″ to 4″
Length
10mm to 400mm
Standard
ASTM A276, A479, DIN 17440
US Standard
ASME SA182 F51
Raw Material
Sweden, Europe, India, Senegal
MTC
EN 10204/3.1B
Environment
Seawater & Sour Gas (H2S)
Thread Type
Full Thread & Half Thread
Finish
Passivated / Pickled Finish
Head Type
Hex Head, Heavy Hex
Temp. Range
-50°C to 300°C
Table of Content
- Duplex 2205 Fasteners Specification
- ASTM A276 Type 2205 Hex Nut Size Chart
- Duplex 2205 Hex Bolt Dimension Chart
- Price List of ASTM A276 UNS S32205 Studs
- Difference Between Duplex 2205 vs Super Duplex 2507
- Duplex 2205 Bolts Weight Chart
- Types of Duplex 2205 Fasteners
- ASTM A276 Type 2205 Hex Nut Applications
- Duplex 2205 Threaded Rod Chemical Composition
- SAF 2205 Duplex Screws Equivalent Grades
- Duplex 2205 Stud Bolts Mechanical Properties
- DSS 2205 Bolt Physical Properties
- Duplex 2205 Fasteners Buyers Query
- ASTM A276 UNS S31803 Hex Bolt Heat Treatment
- Duplex 2205 Washers Density in Kg
- Duplex Steel 2205 Heavy Hex Bolt Strength
- Thread Pitch Selection for WNR 1.4462 Screw
- Duplex 2205 Fasteners Standards
PED Approved DSS 2205 Bolt and Nuts Manufacturer in India
Vision Alloys, established 2015, specializes in industrial fasteners. Manufactures bolts, stud bolts, nuts, and washers reliably. PED approved and CE certified fasteners for safety. Reliable supplier and manufacturer across major global markets. Material traceability records track fasteners from heat to shipment. Serving customers across USA, UK, UAE, and beyond.
Vision Alloys supplies Duplex 2205 fasteners in bulk. Widely used across oil and gas piping systems. DSS 2205 bolts offer excellent strength and corrosion resistance. Used extensively in pulp and paper mill machinery. NABL approved lab reports validate independent testing accuracy. Serving Singapore, Qatar, and Brazil as trusted stockist. Certificate of Origin provided with every export shipment.
Duplex 2205 Washers
- Flat & spring types
- DIN 125 / 127 standard
- High load bearing capacity
Duplex 2205 Coupling Nuts
- Extended hex body length
- Joins two threaded rods
- High tensile duplex grade
Duplex 2205 Stud Bolt
- Full & double end thread
- ASTM A182 / A193 grade
- Flange & vessel joints
Duplex 2205 Fasteners Specification
- M3 – M56
- 3/6″ – 2″
- 3 mm to 200 mm
- Fine
- Coarse
- Cold Forging
- CNC Machined
- Hot Forging
- A
- D
- C
- G
- B
- E
- 1385-1443°C.
- ASTM: A276 |A1049 | A1082
- SM22CR®, SAF® 2205, 22 Chrome Duplex
- Plain, Electric galvanized
- Phosphating, Zinc impregnation
- Oxidation, DACROMET
- CNC Lath
- Thread Rolling
- Making Machines
- 100% Tested Duplex 2205 Bolts with MTC EN 10204 3.1/3.2
- UNR
- UNM
- BSF
- UN8
- BSW
- ACME
- UNF
- UTS
- UNC
- washers
- stud bolt
- bolt
- nuts
- screws
- threaded rod
- hex bolt
- Chisel point
- Sheared end
- Gimlet point
- Semi-cone point
- Cone point
- Half point
- Chamfer end
- Milled end
- Oval
- Torx
- Round
- Pan
- Cross
- Truss
- Hex
- Hexagon washer
- Pan
- Truss
- Hexagon
- Oval
- Socket Cap
- Round
- Flat
- Class 2A (Medium fit)
- 2G
- 5 ONF
- 3G
- 4G
- custom
- 5 CSF
- Class 1A (Loose fit)
- 6G
- Class 3A (Tight fit)
- 5 HF
- 8G
Request For Quote
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Grade & Type Guide
UNS S31803 & S32205 Grade and Type Guide
S31803UNS
65 / 90 ksiYield / Tensile
General Duplex UseCorrosion Use
Duplex 2205 Hex Bolt
M6-M100, ASME B18.2.1
Duplex 2205 Stud Bolt
Continuous or tap-end thread
DSS 2205 Heavy Hex Nut
Flange & piping joints
Duplex 2205 Washer
Load spreading, flat & spring
S32205UNS
65 / 90 ksiYield / Tensile
Tightened N RangeCorrosion Use
Duplex 2205 Hex Bolt
M6-M100, ASME B18.2.1
UNS S32205 Studs
Higher N content, tighter QC
ASTM A276 Type 2205 Hex Nut
High torque flange joints
Duplex 2205 Threaded Rod
Cut lengths, custom coating
1.4462WNR
460 / 640 MPaYield / Tensile
Europe Preferred SpecCorrosion Use
Duplex 2205 Hex Bolt
M6-M100, DIN 931/933
WNR 1.4462 Screw
Machine & set screw options
Duplex 2205 Hex Screws
Panel & equipment mounting
2205 Duplex Set Screws
Cup, cone & flat point
Bar StockProduct Form
65 / 90 ksiYield / Tensile
Machined FastenersCorrosion Use
ASME SA479 Duplex Bolts
M6-M100, machined from bar
Duplex 2205 Stud Bolts
Custom length on request
Duplex 2205 Fasteners Exporter
Bulk export packaging
Duplex 2205 Flange Bolt
Chemical plant piping
Supplier of UNS S31803 Hex Bolt in Various Sizes at Factory Prices in Mumbai
ASTM A276 Type 2205 Hex Nut Size Chart
PMI Certified Duplex 2205 fasteners manufacturer in india, offers various sizes with third party inspection to the USA, Europe, UAE and Australia
| Nut Sizes | (MM) | 2.5 | 2 | 3 | 4 | 6 | 5 | 7 | |
|---|---|---|---|---|---|---|---|---|---|
| Dia of Nut | (MM) | 5 | 4 | 5.5 | 7 | 10 | 8 | 11 | |
| Height of Nut | (MM) | Hex Nuts | 2 | 1.6 | 2.4 | 3.2 | 5 | 4 | 5.5 |
| Jam Nuts | 1.6 | 1.2 | 1.8 | 2.2 | 3.2 | 2.7 | 3.5 | ||
| Nylock Nuts | – | – | 4 | 5 | 6 | 5 | – | ||
| Nut Sizes | (MM) | 10 | 8 | 12 | 14 | 18 | 16 | 20 | |
| Dia of Nut | (MM) | 17 | 13 | 19 | 22 | 27 | 24 | 30 | |
| Height of Nut | (MM) | Hex Nuts | 8 | 6.5 | 10 | 11 | 15 | 13 | 16 |
| Jam Nuts | 5 | 4 | 6 | 7 | 9 | 8 | 10 | ||
| Nylock Nuts | 10 | 8 | 12 | 14 | 18.5 | 16 | 20 |
Duplex 2205 Hex Bolt Dimension Chart
View Duplex 2205 Fasteners Stockist Provides Outstanding Sizes for Bolts
| Nom Size inches (D) | m16 | m10 | m36 | m12 | m14 | m30 | m20 | m42 | |
|---|---|---|---|---|---|---|---|---|---|
| Dia | D (MIN) | 15.73 | 9.78 | 35.61 | 11.73 | 13.73 | 29.67 | 19.67 | 41.38 |
| D (MAX) | 16 | 10 | 36 | 12 | 14 | 30 | 20 | 42 | |
| Head Thickness ASTM A193 | H (MAX) | 10.32 | 6.63 | 23.38 | 7.76 | 9.09 | 19.48 | 12.88 | 26.97 |
| H (MIN) | 9.68 | 6.17 | 21.63 | 4.24 | 8.51 | 17.92 | 12.12 | 25.03 | |
| Across ASTM A193 Corners | C (MAX) | 27.71 | 18.48 | 63.51 | 20.78 | 24.25 | 53.12 | 34.64 | 75.06 |
| C (MIN) | 26.75 | 17.77 | 60.79 | 20.03 | 23.35 | 50.85 | 32.95 | 71.71 | |
| Across ASTM A193 the Flats | F (MAX) | 24 | 17 | 55 | 19 | 22 | 46 | 30 | 65 |
| F (MIN) | 23.67 | 15.73 | 53.8 | 17.73 | 20.67 | 45 | 29.16 | 62.9 | |
| Nom Size inches (D) | m48 | m56 | m64 | m24 | m72 | m80 | m90 | m100 | |
| Dia | D (MIN) | 47.38 | 55.26 | 63.26 | 23.67 | 71.26 | 79.26 | 89.13 | 99.13 |
| D (MAX) | 48 | 56 | 64 | 24 | 72 | 80 | 90 | 90 | |
| Head Thickness ASTM A193 | H (MAX) | 31.07 | 36.2 | 41.32 | 15.44 | 46.45 | 51.58 | 57.74 | 63.9 |
| H (MIN) | 28.93 | 33.8 | 38.68 | 14.56 | 43.55 | 48.42 | 54.26 | 60.1 | |
| Across ASTM A193 Corners | C (MAX) | 86.6 | 98.15 | 109.7 | 41.57 | 121.24 | 132.72 | 150.11 | 167.43 |
| C (MIN) | 82.76 | 93.71 | 104.65 | 39.55 | 115.6 | 126.54 | 143.07 | 159.6 | |
| Across ASTM A193 the Flats | F (MAX) | 75 | 85 | 95 | 36 | 105 | 115 | 130 | 145 |
| F (MIN) | 72.6 | 82.2 | 91.8 | 35 | 101.4 | 111 | 125.5 | 140 |
Price List of ASTM A276 UNS S32205 Studs
$
Price List
Price List of Duplex 2205 Fasteners
Duplex 2205 Fasteners Manufacturer, Buy DSS 2205 Bolts and Studs at Lowest Export Price
CE Approved Stockist of ASTM A276 UNS S31803 / S32205 Screw in Various Finishes, Refer Weight Chart
Grade Comparison
Difference Between Duplex 2205 vs Super Duplex 2507
Standard Duplex Grade
2.5-3.5%
~35
Desalination plants
Chemical processing
Super Duplex Grade
3.0-5.0%
~42
High-chloride seawater
Sour gas service
ISO Certified Duplex 2205 Fasteners Supplier in India with Various Threads and Standards
Duplex 2205 Bolts Weight Chart
| Length in mm | 16 | 25 | 20 | 30 | 40 | 35 | 45 | 55 | 50 | 60 | 70 | 65 | 75 | 90 | 80 | 100 | 120 | 110 | 130 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dia in mm | M 5 | 0.448 | 0.66 | 0.598 | 0.737 | 0.881 | 0.804 | 0.958 | – | 1.03 | – | – | – | – | – | – | – | – | – | – |
| M 6 | 0.743 | 0.897 | 0.812 | 1.01 | 1.23 | 1.12 | 1.34 | 1.56 | 1.45 | 1.67 | 1.89 | 1.781 | 2 | – | 2.111 | – | – | – | – | |
| M 8 | 1.59 | 1.871 | 1.711 | 2.07 | 2.47 | 2.271 | 2.671 | 3.071 | 2.87 | 3.27 | 3.671 | 3.472 | 3.873 | 4.472 | 4.072 | 4.873 | – | – | – | |
| M 10 | 3.211 | 3.66 | 3.411 | 3.912 | 4.533 | 4.223 | 4.84 | 5.464 | 5.155 | 5.774 | 6.394 | 6.083 | 6.702 | 7.634 | 7.013 | 8.251 | 9.506 | 8.881 | 10.101 | |
| M 12 | – | 5.252 | 4.892 | 5.574 | 6.41 | 5.974 | 6.859 | 7.74 | 7.299 | 8.183 | 9.058 | 8.621 | 9.506 | 10.917 | 10 | 11.82 | 13.624 | 12.723 | 14.535 | |
| M 14 | – | 8.17 | – | 9.69 | 10.288 | 10 | 10.504 | 11.628 | 11.261 | 12.255 | 12.987 | 12.626 | 13.228 | 14.925 | 13.889 | 16.34 | 18.797 | 17.73 | 20 | |
| M 16 | – | – | – | 10.707 | 12.107 | 11.416 | 12.821 | 14.409 | 13.624 | 15.244 | 16.835 | 16.026 | 17.606 | 19.841 | 18.248 | 21.459 | 24.631 | 23.041 | 26.316 | |
| M 18 | – | – | – | – | 16.667 | 16.026 | 17.241 | 18.868 | 17.857 | 20 | 22.124 | 21.008 | 23.256 | 26.042 | 24.51 | 27.778 | 32.895 | 31.25 | 34.722 | |
| M 20 | – | – | – | 18.657 | 20.747 | 19.608 | 21.739 | 23.81 | 22.727 | 25.126 | 27.778 | 26.455 | 29.07 | 33.113 | 30.303 | 35.714 | 40.984 | 38.168 | 43.478 | |
| M 22 | – | – | – | – | – | – | – | 30.12 | 28.409 | 32.051 | 35.461 | 34.014 | 39.063 | 41.667 | 40 | 46.296 | 50 | 47.17 | 52.632 | |
| Length in mm | 140 | 160 | 150 | 170 | 190 | 180 | 200 | 240 | 220 | 250 | 280 | 260 | 300 | 340 | 320 | 360 | 400 | 380 | ||
| Dia in mm | M 10 | 10.707 | 11.905 | 11.312 | 12.5 | 13.736 | 13.123 | 14.327 | 16.722 | 15.528 | 17.301 | 19.157 | 17.921 | 20.325 | – | – | – | – | – | |
| M 12 | 15.432 | 17.241 | 16.34 | 18.116 | 19.92 | 19.011 | 20.833 | 24.51 | 22.624 | 25.381 | 28.09 | 26.316 | 29.94 | 33.557 | 31.646 | 35.211 | 39.063 | 37.037 | ||
| M 14 | 20.833 | 24.272 | 22.222 | – | – | 26.882 | 29.586 | – | – | – | – | – | – | – | – | – | – | – | ||
| M 16 | 27.933 | 31.056 | 29.412 | 32.68 | 35.971 | 34.247 | 37.594 | 43.86 | 40.65 | 45.455 | 50.505 | 47.17 | 53.763 | 60.241 | 56.818 | 63.291 | 69.444 | 66.667 | ||
| M 18 | 35.461 | 40.984 | 37.594 | – | – | – | 49.02 | – | – | – | – | – | – | – | – | – | – | – | ||
| M 20 | 46.296 | 50.505 | 48.544 | 53.191 | 58.14 | 55.556 | 60.976 | 71.429 | 65.789 | 74.627 | 81.967 | 76.923 | 87.719 | 98.039 | 92.593 | 104.167 | 113.636 | 108.696 | ||
| M 22 | 55.556 | 61.728 | 58.824 | 64.935 | 70.423 | 67.568 | 73.529 | 84.746 | 79.365 | 87.719 | 98.039 | 90.909 | 104.167 | – | – | – | – | |||
Exporter of WNR 1.4462 Nuts and SAF 2205 Duplex Screws For Oil and Gas Industry as Per ASME B16.5 Standards
Types of Duplex 2205 Fasteners
Check Duplex 2205 Fasteners Stockist Offers a Large Range of Commonly Used Fasteners Types
Duplex 2205 Hex Bolt
- High strength duplex grade
- Chloride & pitting resistant
- ASME B18.2.1 hex head
UNS S32205 Heavy Hex Bolt
- Heavy hex, wide bearing area
- UNS S32205 duplex grade
- High tensile joint strength
ASTM A276 Type 2205 Nuts
- ASTM A276 certified grade
- Hex & heavy hex profiles
- Matched bolt thread fit
SAF 2205 Washers
- SAF 2205 duplex material
- Even load distribution
- Flat & spring types
DIN 1.4462 Screws
- DIN 1.4462 duplex standard
- Machine & self-tap options
- Corrosion resistant finish
DSS 2205 Flat Washers
- Duplex stainless steel 2205
- Precision flat bearing face
- ASME/DIN sizes available
Lean Duplex 2205 Stud Bolts
- Lean duplex 2205 alloy
- Full & double end thread
- Flange & vessel joints
Alloy 2205 Threaded Rod
- Continuous thread rod
- Cut-to-length availability
- High corrosion resistance
Duplex SS 2205 Eye Bolt
- Forged eye for lifting
- Duplex 2205 strength
- Rigging & anchoring use
Duplex Flange Bolt
- Serrated flange under head
- No separate washer needed
- Vibration resistant grip
UNS S31803 U Bolt
- UNS S31803 duplex grade
- Pipe & tube clamping
- Round & square bend types
DSS Square Bolt
- Square head, anti-rotation
- Duplex stainless steel body
- Timber & structural fixing
UNS S32205 Heavy Hex Bolt
- Wide across-flats bearing
- High load piping flanges
- Duplex 2205 base material
2205 Duplex Stainless Steel Set Screws
- Headless, flush-fit design
- Cup, cone & flat point tips
- Locking & positioning use
Applications
ASTM A276 Type 2205 Hex Nut Applications
Oil & Gas
Marine & Shipbuilding
Offshore Platforms
Desalination Plants
Chemical Processing
Pulp & Paper
Power Plant Piping
Pharma Equipment
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Refer Duplex 2205 Threaded Rod and Washers Chemical Composition and Equivalent Grades
Duplex 2205 Threaded Rod Chemical Composition
UNS S31803
Mn2.00
Si1.00
P0.030
S0.020
Cr21.0-23.0
Ni4.5-6.5
Mo2.5-3.5
N0.08-0.20
UNS S32205
Tightened N Range
Mn2.00
Si1.00
P0.030
S0.020
Cr22.0-23.0
Ni4.5-6.5
Mo3.0-3.5
N0.14-0.20
WNR 1.4462
Mn2.00
Si1.00
P0.030
S0.015
Cr21.0-23.0
Ni4.5-6.5
Mo2.5-3.5
N0.10-0.22
PED Approved Duplex 2205 Fasteners Supplier in India for Offshore and Chemical Processing Projects
SAF 2205 Duplex Screws Equivalent Grades
6 standards
5 standards
CE Approved Duplex 2205 Fasteners Manufacturer in India Offer Superior Equivalent Materials
Duplex 2205 Stud Bolts Mechanical Properties
Vision Alloys is Duplex 2205 Fasteners Supplier in India With Exceptional Mechanical Properties
UNS S31803
HRC 31 max
HB 293 max
UNS S32205
HRC 31 max
HB 293 max
WNR 1.4462
HRC 31 max
HB 293 max
PED Approved Duplex 2205 Fasteners Supplier, Offering High Strength for Offshore Applications
DSS 2205 Bolt Physical Properties
Melting Point of Duplex 2205 Fasteners
Thermal & Electrical Constants
Heat Capacity 8.7 BTU/lbm °F
Thermal Conductivity 27.6 BTU/hr•ft °F
Density 7.80 g/cm³
Duplex 2205 Fasteners Buyers Query
Buyer FAQ
Before You Order Duplex 2205 Fasteners
What Is the Minimum Order Quantity?
- No fixed MOQ for stock sizes
- Trial/sample quantity available
- Bulk pricing on project orders
Do You Provide a Mill Test Certificate?
- EN 10204/3.1 MTC with every batch
- Third-party inspection on request
- Chemical & mechanical test reports
How Long Does Delivery Take?
- Stock items dispatch in 2-4 days
- Custom sizes in 2-3 weeks
- Sea & air freight both available
Heat Treatment
ASTM A276 UNS S31803 Hex Bolt Heat Treatment
Working Temp Solution Anneal
1750°F – 2250°F soaking range before water quench.
Forming Temp (Max.) Recommended
600°F maximum limit for cold or warm forming.
Duplex 2205 Washers Density in Kg
DSS 2205 Fasteners Density: 7800 Kg/m3
Strength
Duplex Steel 2205 Heavy Hex Bolt Strength
High Strength
Corrosion Resistant
Enhanced Grade
Corrosion Resistant
Check Duplex 2205 Fasteners Manufacturer in India Provides Best Fasteners With Different Strength Chart
Thread Pitch Selection for WNR 1.4462 Screw
Find Duplex 2205 Fasteners Stockist Provides Best Bolts With Accurate Thread Pitch Selection.
Coarse Thread UNC
Faster assembly, better for corrosion-prone and dirty site conditions.
Fine Thread UNF
Higher tensile strength, ideal for thin-wall flange and precision joints.
Metric Thread M Profile
Standard for European/ASME projects sourcing in mm sizes.
Rolled Thread Cold-Formed
Stronger grain flow, recommended for high-vibration duplex assemblies.
Project Reference
Duplex 2205 Fasteners Client Reference
United Arab Emirates
Offshore Platform Expansion
Saudi Arabia
Seawater Desalination Plant
Germany
Chemical Plant Piping Upgrade
Qatar
LNG Processing Facility
Australia
Mineral Processing Plant
Brazil
Subsea Pipeline Support
Duplex 2205 Fasteners Standards
| Product Form | Governing Standard | Grade Reference |
|---|---|---|
| Bolting Material General | ASTM A276 | Type 2205 |
| European Standard | DIN 17440, EN 10088 | WNR 1.4462 |
| Dimensional Standard | ASME B18.2.1, DIN 931/933 | Hex Bolts & Stud Bolts |
Request For Quote
Request Custom Duplex 2205 Fasteners in Any Grade or Size
Get SAF 2205 Duplex Screws and Set Screws at factory-direct pricing
Find Duplex 2205 Fasteners Ready Stock in Following Locations
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Fast quotes on ASME SA479 Duplex Bolts, Studs and Nuts, worldwide shipping
Customer Reviews
4.5 out of 5 based on 11 reviews on our Google Business Profile
“Great service, very happy with the experience!”
“The quality looks good and matches what we ordered.”
“I’m impressed with the packaging; not a single fastener was damaged.”
FAQs
Duplex 2205 Fasteners
What does “2205” mean in Duplex 2205?
22% Cr, 5% Ni nominal composition.
Can Duplex 2205 fasteners be used in seawater?
Yes – PREN ≥35, strong chloride resistance.
Difference between UNS S31803 and S32205?
S32205 has a tighter Cr/N control range.
Do Duplex 2205 bolts need heat treatment before use?
No – supplied solution annealed, ready to fit.
What is the max service temperature for Duplex 2205?
Up to 300°C continuous service.
Is Duplex 2205 magnetic?
Yes – ferritic-austenitic structure is mildly magnetic.
Which industries use Duplex 2205 fasteners most?
Oil & gas, marine, and desalination plants.
- Vision Alloys is A Manufacturer of Steel Fasteners Company in India
- Dealers and Distributors of Bolting Products in USA, Europe, New Zealand, Algeria, United Kingdom, Morocco, South Africa and Australia, Egypt, Peru, chile, Jordan, Argentina
- Manufacturer and Supplier of Stainless Steel, Nickel Alloy, Titanium, Copper Materials in Mumbai.
- Stockist and Trader of Top Quality High Temperature Alloys for Oil and Gas Industry and Standard & Custom Sizes in EX Stock