Alloy 20 Pipe Supplier
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
Specifications
| Material Grade | Alloy 20 / UNS N08020 / WNR 2.4660 |
| Standards | ASTM B729 / ASME SB729 |
| Seamless Pipe Size | OD: 4 to 219 mm | WT: 0.5 to 20 mm | Length: Custom |
| Welded Pipe Size | OD: 6 to 200 mm | WT: 0.35 to 6.00 mm | Length: 0.5 to 12 Meters |
| Thick Wall Pipe Size | OD: 10 to 600 mm | WT: 2.5 to 100 mm | Length: 0.5 to 12 Meters |
| Pipe Forms | Round, Square, Rectangular, Oval |
| Manufacturing Process | Seamless, Welded, ERW, Fabricated |
| Manufacturing Technique | Cold Formed, Precision Rolled, Hot Formed |
| Surface Finish | Annealed, Polished, Bright, Mirror Finish |
| Pipe Ends | Plain End, Threaded End, Beveled End, Grooved End |
| Testing | Hardness Test, PMI Testing, Micro & Macro Test, Flaring Test, IGC Test |
| Documentation | Fumigation Certificate, Guarantee Letter, Raw Material Test Reports, NABL Approved Lab Reports, Third Party Inspection Report, Commercial Invoice |
| Origin | Japanese, European, Indian, Korean |
| Packaging | Steel Strips Bundled, Bubble Wrap, Wooden Boxes, Custom Packaging |
| Density | 8.1 g/cm³ |
| Melting Point | 1443°C (2630°F) |
| Service Temperature | 1725°F to 1850°F (941°C to 1010°C) |
| Key Features | Excellent Formability, High Tensile Strength, Exceptional Corrosion Resistance |
Chemical Composition
Cr
21%
Chromium
Ni
38%
Nickel
C
0.02%
Carbon
Nb
0.30%
Niobium
Cu
4%
Copper
S
0.005%
Sulfur
Mo
3%
Molybdenum
Si
0.70%
Silicon
Mn
2%
Manganese
P
0.02%
Phosphorus
Equivalent Grades
STD
Alloy 20
Standard
W.NR
2.4660
Werkstoff No.
UNS
N08020
UNS
EN
NiCr20CuMo
European Standard
AFNOR
Z2NCUD31-20AZ
AFNOR
Mechanical Properties
1443°C (2430°F)
Melting Point
241 MPa / 35,000 Psi
Yield Strength (0.2% Offset)
551 MPa / 80,000 Psi
Ultimate Tensile Strength
8.1 g/cm³
Density
30%
Elongation
Recent Export Deliveries
🇸🇦
Saudi Aramco Total
Al Jubail, Saudi Arabia
304 SS Round Bars, 50mm OD, ASTM A276
Delivered in 7 days
🇺🇸
Hess Corporation
New York City, USA
SS 304 Hex Bars, 40mm A/F, Cold Drawn
Delivered in 14 days
🇬🇧
Shell PLC
London, United Kingdom
304 SS Flat Bars, 100×20mm, Bright Finish
Delivered in 14 days
🇦🇪
ADNOC
Abu Dhabi, UAE
304 SS Square Bars, 40mm, Forged Grade
Delivered in 5 days
🇿🇦
Sasol Limited
Johannesburg, South Africa
SS 304 Hollow Bars, 80mm OD × 20mm wall
Delivered in 21 days
🇩🇪
BASF SE
Ludwigshafen, Germany
304 SS Round Bars 25–100mm, EN 10204 3.2
Delivered in 18 days
Latest Prices of Pipes
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