YUHONG HOLDING GROUP CO., LTD
| Payment Terms | L/C,T/T |
| Delivery Time | 7days |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Production Name | Heat Exchanger Tube |
| Standard | ASTM B163, ASME SB163 |
| Material | Incoloy 800H, UNS N08810 |
| OD | 1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", etc. |
| WT | BWG 25, 22, 20, 18 ... 10 |
| Length | Single Random, Double Random & Cut Length |
| Tube End | Plain End, Beveled End |
| Process | Cold Drawn |
| Application | Boiler, Heat Exchanger, Oil and Gas Plant, Cooling, Condenser |
| High Light | ASTM B163 Incoloy 800H Seamless Tube, Serpentine Coil Heat Exchanger Tube |
| Brand Name | YUHONG |
| Model Number | ASTM B163 UNS N08810 U Bend Heat Exchanger Tube |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
View Detail Information
Explore similar products
ASTM A249 TP316L Stainless Steel Welded Tube U Bend Heat Exchanger Tube
ASTM A213 TP321 Stainless Steel Seamless U Bend Tube Heat Exchanger Tube
ASTM A213 TP316L Stainless Steel U TUBE For Boiler and Heat Exchanger
ASME SB163 UNS N04400 Nickel Alloy Seamless Tube Monel 400 Tubing U Bend Heat
Product Specification
| Payment Terms | L/C,T/T | Delivery Time | 7days |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap | Production Name | Heat Exchanger Tube |
| Standard | ASTM B163, ASME SB163 | Material | Incoloy 800H, UNS N08810 |
| OD | 1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", etc. | WT | BWG 25, 22, 20, 18 ... 10 |
| Length | Single Random, Double Random & Cut Length | Tube End | Plain End, Beveled End |
| Process | Cold Drawn | Application | Boiler, Heat Exchanger, Oil and Gas Plant, Cooling, Condenser |
| High Light | ASTM B163 Incoloy 800H Seamless Tube, Serpentine Coil Heat Exchanger Tube | Brand Name | YUHONG |
| Model Number | ASTM B163 UNS N08810 U Bend Heat Exchanger Tube | Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA | ||
| High Light | ASTM B163 UNS N08810 serpentine coil tube ，Incoloy 800H U bend heat exchanger tube ，serpentine coil tube with warranty | ||
ASTM B163 / ASME SB163 UNS N08810 Alloy 800H U Bend Tube Serpentine Heat Exchanger Tube
A Serpentine Coil Tube in Incoloy 800H with U-Bends is a premium engineered component designed for the harshest thermal environments. The material provides the necessary high-temperature strength, while the serpentine design accommodates thermal movement, ensuring long-term reliability in furnaces and high-temperature reactors.
Advantages of the U-Bend Serpentine Design:
Thermal Expansion Compensation: Incoloy 800H is often used where temperatures fluctuate wildly. The serpentine coil acts as a built-in expansion loop. The bends absorb the thermal expansion and contraction of the tube, reducing stress on the tube sheets and headers.
Compact Footprint: By stacking the passes vertically or horizontally, a very long tube length can be fitted into a small space (like a furnace or a duct).
Counter-Current Flow: Serpentine coils are easily arranged so the hottest fluid meets the hottest gas, maximizing thermal efficiency.
ASTM B163 / ASME SB163 Incoloy 800H UNS N08810 Seamless Nickel Alloy Tube Chemical Composition %
| Material | Ni | Cr | Fe | C | Al | Ti |
| Incoloy 800 | 30.0-35.0 | 19.0-23.0 | ≥39.5 | ≤0.1 | 0.15-0.60 | 0.15-0.60 |
| Incoloy 800H | 30.0-35.0 | 19.0-23.0 | ≥39.5 | 0.05-0.10 | 0.15-0.60 | 0.15-0.60 |
| Incoloy 800HT | 30.0-35.0 | 19.0-23.0 | ≥39.5 | 0.06-0.10 | 0.25-0.60 | 0.25-0.60 |
ASTM B163 / ASME SB163 Incoloy 800H UNS N08810 Seamless Nickel Alloy Tube Mechanical Properties
| Material | Tensile Strength | Yield Strength | Elongation | Hardness |
| Incoloy 800 | 500 N/mm² | 210 N/mm² | 35% | 135-179HB |
| Incoloy 800H | 531 N/mm² | 200 N/mm² | 52% | 127HB |
| Incoloy 800HT | 531 N/mm² | 200 N/mm² | 52% | 127HB |
The "H" is for Heat – Specifically, a Thermal Process
While people know "H" stands for "high-temperature," the specific requirement is often overlooked:
It's Not Just Chemistry: To be legitimately called 800H, the material must be solution annealed at a minimum temperature of 2100°F (1149°C). This isn't just for stress relief; it's to achieve a specific ASTM grain size of 5 or coarser.
Application
Because of the cost and performance of Incoloy 800H, these serpentine coils are used in critical, high-temperature environments:
Ethylene Pyrolysis Furnaces: Used for steam cracking of hydrocarbons. The coils must withstand coking and decoking cycles at extreme temperatures.
Reformer Units (Hydrogen Plants): Located in the convection section of steam methane reformers to preheat feedstock.
Heat Recovery Steam Generators (HRSG): Specifically in the superheater or reheater sections where steam temperatures are highest.
Molten Salt Heaters: In solar thermal power plants or chemical processes where the salt is heated to over 1000°F.
Ammunition/Explosives Manufacturing: Used in cooling tunnels where precise temperature control is required, and corrosion from byproducts is a factor.
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller,Other
Year Established:
1990
Total Annual:
50M-70M
Employee Number:
50~800
Ecer Certification：
Verified Supplier
Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n...
Get in touch with us
Leave a Message, we will call you back quickly!