Yuhong Group Co.,Ltd
| Payment Terms | T/T, L/C AT SIGHT |
| Supply Ability | 50 tons per month |
| Delivery Time | Depends on quantity |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Standard | ASTM B729/ASME SB729 |
| Material Grade | ALLOY20 (NO8020 / 2.4660) |
| Surface | Pickled and Annealed, Bright Annealed, Polished |
| Type of tube | Straight Tube |
| Alloy or not | Nickel Alloy |
| Special type | Thick Wall Pipe |
| Brand Name | YUHONG |
| Model Number | ASTM B729 ALLOY20 (NO8020 / 2.4660) |
| Certification | ABS , GL , DNV , NK , PED , AD2000 , GOST9941-81 , CCS , ISO 9001-2008 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C AT SIGHT | Supply Ability | 50 tons per month |
| Delivery Time | Depends on quantity | Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Standard | ASTM B729/ASME SB729 | Material Grade | ALLOY20 (NO8020 / 2.4660) |
| Surface | Pickled and Annealed, Bright Annealed, Polished | Type of tube | Straight Tube |
| Alloy or not | Nickel Alloy | Special type | Thick Wall Pipe |
| Brand Name | YUHONG | Model Number | ASTM B729 ALLOY20 (NO8020 / 2.4660) |
| Certification | ABS , GL , DNV , NK , PED , AD2000 , GOST9941-81 , CCS , ISO 9001-2008 | Place of Origin | China |
| High Light | Seamles UNS NO8020 Pipe ，ASTM B729 UNS NO8020 Pipe ，UNS NO8020 Pipe | ||
ASTM B729 ALLOY 20 / UNS NO8020 HASTELLOY SEAMLESS PIPE
ASTM B729 specifies the requirements for seamless pipes made from corrosion-resistant alloys, including Alloy 20 (UNS N08020). This material, classified as a nickel-iron-chromium (Ni-Fe-Cr) alloy, is specifically designed for superior corrosion resistance, especially in chemical processing environments.
Key Features of ASTM B729 Alloy 20 / UNS N08020 Pipes
Corrosion Resistance:
High-Performance Material:
Versatile Applications:
Alloy 20 Mechanical Properties
| Density | Melting Range | Yield Stress (0.2%Offset) | Tensile Stress | Elongation |
| 8.1 g/cm3 | 1443 °C (2430 °F) | Psi - 35000 , MPa - 241 | Psi - 80000 , MPa - 551 | 30 % |
B729 Alloy 20 Chemical Composition
| Ni | C | Mo | Mn | Si | Fe | Cu | S | P | Cr |
| 32 - 38 | 0.02 max | 2 - 3 | 1 - 2 | 0.7 max | Bal | 3 - 4 | 0.005 max | 0.02 max | 19 - 21 |
Manufacturing Specifications for ASTM B729 Seamless Pipes
Standards & Dimensions:
Production Process:
Testing & Certification:
Application of Alloy 20
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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