ASTM B464 Alloy 20 Welded Pipes Supplier and Exporter | UNS N08020, Carpenter 20 & DIN 2.4660 | Leoscor Alloy Pipes
Alloy 20 Welded Pipes are nickel-iron-chromium alloy pipes designed for applications requiring excellent corrosion resistance in aggressive chemical environments. The addition of copper and molybdenum improves resistance against sulfuric acid, pitting, and crevice corrosion.
Leoscor Alloy Pipes is a trusted manufacturer, stockist, supplier, and exporter of ASTM B464 Alloy 20 Welded Pipes, providing high-quality welded pipe solutions with customized dimensions, accurate specifications, and inspection support according to customer requirements.
Alloy 20 Welded Pipes are austenitic nickel-iron-chromium alloy pipes commonly known as Carpenter 20. These pipes contain copper and molybdenum additions that provide excellent resistance against chemical attack, acidic environments, and chloride-containing solutions.
ASTM B464 Alloy 20 Welded Pipes are manufactured using welded fabrication processes and are suitable for general corrosion-resistant applications under low- and high-temperature service conditions.
These pipes are available in different sizes, wall thicknesses, lengths, and customized specifications. They are also supplied in various shapes including round, square, rectangular, hexagonal, and customized forms.
The grade is internationally identified through different material designations including UNS N08020 Welded Pipes, Carpenter 20 Welded Pipes, and DIN 2.4660 Welded Pipes.
Leoscor Alloy Pipes supplies premium-quality Nickel Alloy Pipes including ASTM B464 Alloy 20 Welded Pipes with customized sizes, inspection documents, and technical support. Contact us today to discuss your industrial requirements and get a competitive quotation.

Equivalent Names of Alloy 20 Welded Pipes
| Equivalent Name | Standard / Country | Explanation |
|---|---|---|
| UNS N08020 Welded Pipes | USA (Unified Numbering System) | Material designation used for Alloy 20 Welded Pipes. |
| Carpenter 20 Welded Pipes | USA (Commercial Alloy Name) | Common commercial designation for Alloy 20 material. |
| DIN 2.4660 Welded Pipes | Germany / Europe (DIN Standard) | Material number used for Alloy 20 Welded Pipes. |
Key Features of Alloy 20 Welded Pipes
- Excellent resistance to sulfuric acid
- High resistance to pitting and crevice corrosion
- Good mechanical strength
- Excellent corrosion resistance
- Good weldability and fabrication properties
- Stable performance in chemical environments
- Long service life
ASTM B464 Alloy 20 Welded Pipe Specifications
Standard specifications for ASTM B464 Alloy 20 Pipe. If any specification is not mentioned here, you can contact us. We also manufacture and export custom specifications as per client’s requirements.
| Specifications | Details |
|---|---|
| Specifications | ASTM B464 / ASME SB464 |
| Dimensions | ASTM, ASME and API |
| Size | 1/8″ NB to 30″ NB |
| Specialized In | Large Diameter Size |
| Type | ERW / Welded / Fabricated / LSAW Pipes |
| Form | Round, Square, Rectangular, Hydraulic Pipes |
| Schedule | SCH 20, SCH 30, SCH 40, STD, SCH 80, XS, SCH 60, SCH 80, SCH 120, SCH 140, SCH 160, XXS |
Alloy 20 ASTM B464 Welded Pipe - Industries & Applications
Our pipes and tubes are used in a wide range of applications and various industries. Below are a few of them:
- Gas Processing Industries
- Petrochemical Industries
- Power Generation Industries
- Food Processing Industries
- Chemical Industries
- Oil & Gas Industries
- Fertilizers Industries
- Sugar Industries
Types of ASTM B464 Alloy 20 Welded Pipe
| Alloy 20 ASTM B464 Welded Pipe | Alloy ASTM B464 Welded Pipe |
| Alloy 20 B464 Welded Pipe | Alloy 20 B464 LSAW Pipe |
| Alloy 20 ASTM B464 LSAW Pipe | Alloy ASTM B464 LSAW Pipe |
| Alloy 20 ASTM B464 ERW Pipe | Alloy ASTM B464 ERW Pipe |
| Alloy 20 B464 ERW Pipe | Alloy 20 ASTM B464 Fabricated Pipe |
| Alloy ASTM B464 Fabricated Pipe | Alloy 20 B464 Fabricated Pipe |
| Alloy 20 B464 Pipe | Alloy Z2NCUD31-20AZ Pipes |
| Alloy UNS N08020 Pipes | Alloy DIN 2.4660 Pipe |
Alloy 20 ASTM B464 Welded Pipe Chemical Composition
| Grade | ASTM B464 Alloy 20 | |
|---|---|---|
| min | max | |
| C | – | 0.02 |
| Mn | 1.0 | 2.0 |
| Si | – | 0.7 |
| P | – | 0.02 |
| S | – | 0.005 |
| Cr | 19.0 | 21.0 |
| Mo | 2.0 | 3.0 |
| Nb | 0.1 | 0.3 |
| Ni | 32.0 | 38.0 |
| Cu | 3.0 | 4.0 |
| Fe | Balance | Balance |
ASTM B464 Alloy 20 Welded Pipe Mechanical Properties
| Grade | ASTM B464 Alloy 20 | |
|---|---|---|
| Tensile Strength (MPa) min | Psi – 80000 , MPa – 551 | |
| Yield Strength 0.2% Proof (MPa) min | Psi – 35000 , MPa – 241 | |
| Elongation (% in 50mm) min | 30% | |
ASTM B464 Welded Pipe Physical Properties
| Grade | ASTM B464 Alloy 20 | |
|---|---|---|
| Density | 8.1 g/cm3 | |
| Melting Point | 1443 °C (2430 °F) | |
Alloy ASTM B464 20 Welded Pipe Equivalent Grades
| Grade | ASTM B464 Alloy 20 | |
| UNS No | N08020 | |
| Old British | BS | – |
| En | NiCr20CuMo | |
| Euronorm | No | 2.4660 |
| AFNOR | – | |
| OR | – | |
| Japanese JIS | Z2NCUD31-20AZ | |
| GOST | – | |
Alloy 20 Welded Pipe Price List
Leoscor Alloys is one of the most competitive suppliers of pipes and tubes from India. Our prices for ASTM B464 Alloy 20 Pipe are very competitive.
Please click on the request a quote button or click here to request the updated price list and ready stock information along with your requirement. Leoscor Alloys maintains a stock of all standard items and can export them at best price for Nickel Alloy ASTM B464 Alloy 20 Seamless and Welded Pipes.
ASTM B464 Alloy 20 Welded Pipe Stock Availability
We maintain huge inventories of all standard sizes and grades. Please send us your complete requirement and we will send you the availability with the best quote for ASTM B464 Alloy 20 Pipe.
Why Buy ASTM B464 Alloy 20 Welded Pipe from Leoscor Alloys
Leoscor Alloys is a leading stockist, distributor, and supplier of ASTM B464 Alloy 20 from India. With more than three decades of experience, we understand the steel industry deeply. We have huge experience of supplying to all major industries across the world. Our team of dedicated experts with stringent quality policy ensures that we supply best-in-class products meeting and exceeding our client’s expectations. Below are a few quick points about why buying from Leoscor Alloys will give you an undue advantage:
- Huge inventory of all standard sizes and grades.
- Distributors of all reputed origins and manufacturers.
- Strict quality control policies and highly experienced team.
- Strong logistics & delivery channels.
- Modern Infrastructure with huge storage capacity.
- An ISO 9000:2015 Certified Company.
Prominent Countries where we export ASTM B464 Alloy 20 Pipe
Exporting Pipes & Tubes to Singapore, Malaysia, Hongkong, Thailand, Indonesia, Taiwan. Other countires includes Afghanistan, Albania, Andorra, Austria, Bahrain, Bangladesh, Bhutan, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus, Croatia, Czech Republic, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Maldives, Mongolia, Myanmar (Burma), Nepal, North Korea, Netherlands, Norway, Oman, Poland, Portugal, Pakistan, Palestine, Philippines, Qatar, Russia, Romania, Russia, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia, South Korea, South Africa, Sri Lanka, Syria, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen.
We are one of the top:
- Pipes exporters to Singapore
- Pipes exporters to Malaysia
- Pipes exporters to Hongkong
- Pipes exporters to Thailand
- Pipes exporters to Indonesia
- Pipes exporters to Taiwan









