Duplex 31803 Round Bar Supplier
Multinox Inc — Duplex Strength, Lean Price — ASTM A276 Duplex 31803 Round Bars Certified to UNS S31803, Stocked & Shipped Worldwide.
Multinox Inc Is the leading Manufacturer and Supplier of Duplex Steel UNS S31803 Bright Bars. These are made using Chromium, Molybdenum and Steel Alloys and can withstand a high concentration of sour gas air. Our Duplex Steel S31803 Bright Bars Plates both have a high demand in the international market.
Our manufacturing center equipped with the most skilled and diligent workforce has manufactured Duplex Steel UNS S31803 Round Bars and Duplex Steel UNS S31803 Square Bars based on the demands of the petrochemical and pipework industry. They offer high malleability and resistance towards climatic causes of metal degradation. Our Duplex Steel S31803 Round Bars comply with national and international standards and are revamped every quarterly.
Some varieties of the bars we manufacture and export are S31803 Duplex Steel Forged Bars and S31803 Duplex Steel Rectangular Bars they guarantee high durability to any erosion in the long term. Our products are designed as per the demand of the international market and refined in their properties for optimal usage. Duplex Steel S31803 Hex Bar is our best seller in the Duplex Steel UNS S31803 Bright Bars catalog of products. Our Duplex Steel UNS S31803 Flat Bars have its widest application in the oil industry due to its high-temperature resistance
With high index of hardness and applications in the industrial boilers and heat exchangers industry our Duplex Steel S31803 Hollow Bars make it the most high in demand product throughout the year. To add on to all these properties, our products are the most economically priced and buyer oriented. Our manufacturing and supplying chain of Duplex Steel UNS S31803 Bright Round Bars is world renowned. We are even the world leading fabricators who supply premium quality Duplex Steel S31803 Hot Rolled Bars.
We at Multinox Inc keep ready for sale stock of Duplex Steel UNS S31803 Bright Bars at a most competitive market price. Please call us today to request a free quote!
Available Forms & Types
Most Common
Round Bars
Cold drawn, centreless ground & polished. Used in shafts, fasteners, machined components.
- OD: 4mm to 500mm
- Bright / Polish / Black finish
- Length: 1–6 metres
Precision
Hex Bars
Across-flat 18mm–57mm. Ideal for bolt, nut & valve body machining applications.
- 18mm – 57mm A/F
- Cold drawn condition
- Non-magnetic grade
Structural
Square Bars
Used in structural fabrication, tooling and engineering. Custom sizes available.
- 18mm – 47mm
- Bright / Rough Turned
- Custom sizes on request
Wide Range
Flat Bars
Width ½" to 10", thickness 2mm to 150mm. Sheared & edged or hot-rolled condition.
- Width: ½" to 10"
- Thickness: 2–150mm
- Custom width available
Hollow
Hollow Bars
Seamless hollow bar for bushings, sleeves & valve bodies. Saves machining time.
- OD: 4mm to 100mm
- Various wall thickness
- Centreless ground
High Strength
Forged Bars
Hot forged for superior grain structure. Heavy-duty industrial and aerospace use.
- 15mm to 300mm
- Ultrasonic tested
- Rough turned finish
ASTM A276 Duplex 31803 Round Bar — Specifications
Duplex 31803 Round Bars are supplied solution-annealed per ASTM A276 — every heat certified with full ferrite count and mechanical reports.
| Product Name | Duplex UNS S31803 Round Bar |
| Grade | UNS S31803 / Duplex 2205 |
| Specifications | ASTM A276, ASTM A479, ASTM A182 F51 |
| Standards | ASME SA276, ASME SA479 |
| Diameter | 5 mm to 500 mm |
| Length | 1 Meter to 6 Meter, Cut Length |
| Finish | Black, Bright, Peeled, Polish, Centerless Ground |
| Forms | Round, Square, Hex, Flat, Forged Bar |
| Condition | Hot Rolled, Cold Drawn, Annealed & Pickled |
| Inspection | PMI Test, Ultrasonic Test, Third Party Inspection |
| Mill Test Certificate | EN 10204 3.1 / 3.2 |
Chemical Composition of UNS S31803 Round Bar
Chromium, molybdenum and nitrogen combine inside Duplex 31803 Round Bars to fight corrosion from chloride, acid and alkaline sides together.
C
0.030 max
Carbon
Mn
2.00 max
Manganese
Si
1.00 max
Silicon
P
0.030 max
Phosphorus
S
0.020 max
Sulphur
Cr
22.00 – 23.00%
Chromium
Ni
4.50 – 6.50%
Nickel
Mo
3.00 – 3.50%
Molybdenum
N
0.14 – 0.20%
Nitrogen
Fe
Balance
Iron
WNR 1.4462 Round Bar Equivalent Grades
Duplex 31803 Round Bars hold documented identities across American, German, European and ISO standards — procurement flows without barriers.
UNS
S31803
UNS
WNR
1.4462
Werkstoff No.
EN
X2CrNiMoN22-5-3
European Standard
ISO
X2CrNiMoN22-5-3
ISO Standard
AFNOR
Z3 CND 22-05 Az
French Standard
check Mechanical Properties of ISO X2CrNiMoN22-5-3 Round Bar
Duplex 31803 Round Bars deliver roughly double the yield strength of 304/316 — thinner parts, lighter designs, same load capacity.
ISO X2CrNiMoN22-5-3 Round Bar Weight Chart
| Diameter (mm) | Weight (kg/m) |
|---|---|
| 6 | 0.22 |
| 8 | 0.39 |
| 10 | 0.62 |
| 12 | 0.89 |
| 16 | 1.58 |
| 20 | 2.47 |
| 25 | 3.85 |
| 30 | 5.55 |
| 40 | 9.87 |
| 50 | 15.42 |
| 60 | 22.20 |
| 75 | 34.68 |
| 100 | 61.65 |
check Size Range of EN X2CrNiMoN22-5-3 Round Bar
| Product Form | Available Size |
|---|---|
| Round Bar | 3 – 800 mm Diameter |
| Hex Bar | 2 – 100 mm A/F |
| Square Bar | 4 – 100 mm |
| Flat Bar | Thickness: 2 – 100 mm, Width: 10 – 500 mm |
| Angle Bar | 3 × 20 × 20 mm to 12 × 100 × 100 mm |
| Channel Bar | 80 × 40 mm to 150 × 75 mm |
| Rectangular Bar | 33 × 30 mm to 295 × 1066 mm |
| Hollow Bar | 32 mm OD × 16 mm ID to 250 mm OD × 200 mm ID |
| Billet | 1/2" to 495 mm Diameter |
| Length | 1–6 Meters, Custom Cut Lengths |
Recent ASTM A276 Duplex 31803 Round Bar Export Deliveries
🇸🇦
Saudi Aramco Total
Al Jubail, Saudi Arabia
30mm Diameter Bright Bars, Duplex 31803
Delivered in 7 days
🇺🇸
Hess Corporation
New York City, USA
UNS S31803 Peeled Bars, 55mm Diameter
Delivered in 14 days
🇬🇧
Shell PLC
London, United Kingdom
EN X2CrNiMoN22-5-3 Polished Bars, 25mm Diameter
Delivered in 14 days
🇦🇪
ADNOC
Abu Dhabi, UAE
Cold Drawn Bars, 18mm Diameter, Duplex 31803
Delivered in 5 days
🇿🇦
Sasol Limited
Johannesburg, South Africa
100–200mm Diameter Hot Rolled Bars, Duplex 31803
Delivered in 21 days
🇩🇪
BASF SE
Ludwigshafen, Germany
WNR 1.4462 Turned Bars, 40–90mm Diameter
Delivered in 18 days
Availability of ASTM A276 Duplex 31803 Round Bar
| Duplex 31803 Bright Round Bar | UNS S31803 Black Round Bar |
| WNR 1.4462 Polished Round Bar | EN X2CrNiMoN22-5-3 Peeled Round Bar |
| ASTM A276 Duplex 31803 Turned Round Bar | ISO X2CrNiMoN22-5-3 Ground Round Bar |
| UNS S31803 Hot Rolled Round Bar | WNR 1.4462 Cold Drawn Round Bar |
| EN X2CrNiMoN22-5-3 Bright Round Bar | ASTM A276 Duplex 31803 Black Round Bar |
| Duplex 31803 Polished Round Bar | UNS S31803 Peeled Round Bar |
| WNR 1.4462 Turned Round Bar | ISO X2CrNiMoN22-5-3 Ground Round Bar |
| ASTM A276 Duplex 31803 Hot Rolled Round Bar | Duplex 31803 Cold Drawn Round Bar |
| UNS S31803 Bright Round Bar | WNR 1.4462 Black Round Bar |
| ISO X2CrNiMoN22-5-3 Polished Round Bar | EN X2CrNiMoN22-5-3 Peeled Round Bar |
ISO X2CrNiMoN22-5-3 Round Bar — Latest Prices
Multinox INC offers ASTM A276 Duplex 31803 Round Bars at one of the most competitive prices in India. Request the latest Pricelist using the contact form here.