Yuhong Group Co.,Ltd
| Payment Terms | L/C, T/T, D/A |
| Supply Ability | 15000tons/month |
| Delivery Time | 5-80 Days |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Products | Stainless Steel Bright Tube |
| Type | Seamless |
| Length | 3000mm~6000mm,6 Meters or customized,18000max.,11.8m or as required.,8m |
| Thickness | 0.4-30mm,1.0mm,0.6mm~2500mm,1mm-60mm,0.6 to 25 mm |
| Packing | Wooden box packaging |
| Brand Name | YUHONG |
| Model Number | ASME SA213 TP321 |
| Certification | ISO,SGS,BV,ISO & SGS,ISO/CE/SGS |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T, D/A | Supply Ability | 15000tons/month |
| Delivery Time | 5-80 Days | Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Products | Stainless Steel Bright Tube | Type | Seamless |
| Length | 3000mm~6000mm,6 Meters or customized,18000max.,11.8m or as required.,8m | Thickness | 0.4-30mm,1.0mm,0.6mm~2500mm,1mm-60mm,0.6 to 25 mm |
| Packing | Wooden box packaging | Brand Name | YUHONG |
| Model Number | ASME SA213 TP321 | Certification | ISO,SGS,BV,ISO & SGS,ISO/CE/SGS |
| Place of Origin | CHINA | ||
| High Light | ASME SA213 TP321 bright tube ，high temperature food industry tube ，pharmaceutical grade bright annealed tube | ||
ASME SA213 TP321 Bright Tube BA For High Temperature In The Food Industries
ASME SA213 TP321 bright tube is a high-standard seamless austenitic stainless steel tube used in critical equipment such as boilers and pressure vessels. Made of titanium (Ti)-stabilized 321 stainless steel, it offers excellent resistance to intergranular corrosion and excellent high-temperature performance.
It is widely used in critical equipment such as power plant boilers, the petrochemical industry, and the food industries, which require extremely high material properties and surface finishes. Through a bright annealing (BA) process, its surface is free of scale and decarburization, forming an extremely pure, dense, and uniform chromium passivation film.
This not only provides a superior corrosion resistance compared to ordinary pickled tubes, but also offers a smooth, flawless surface that resists contaminant adhesion and residue, making it extremely easy to clean and sterilize, meeting the requirements of industries such as food, and semiconductors.
ASTM A213 SS 321 Equivalent:
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| SS 321 | S32100 | 321S31 | 58B, 58C | 1.4541 | X6CrNiTi18-10 | 2337 | SUS 321 |
Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 - 19.00 | 0.10 max | 9.00 - 12.00 | 5(C+N) – 0.70 max |
Mechanical Properties
| Grade | Tensile Strength (MPa) min |
Yield Strength 0.2% Proof (MPa) min |
Elongation (% in 50mm) min |
Hardness | |
| Rockwell B (HR B) max |
Brinell (HB) max |
||||
| 321 | 515 | 205 | 40 | 95 | 217 |
Physical Properties
| Grade | Density (kg/m3) |
Elastic Modulus (GPa) |
Mean Co-eff of Thermal Expansion (µm/m/°C) |
Thermal Conductivity (W/m.K) |
Specific Heat 0-100°C (J/kg.K) |
Elec Resistivity (nΩ.m) |
|||
| 0-100°C | 0-315°C | 0-538°C | At 100°C | At 500°C | |||||
| 321 | 8027 | 193 | 16.6 | 17.2 | 18.6 | 16.1 | 22.2 | 500 | 720 |
Choose pickled tube when:
Cost is the primary consideration.
Used in general industrial environments, such as chemical piping and structural support components.
Low aesthetic requirements.
The pipe may undergo subsequent processing, such as welding and bending, which may damage the surface.
Choose bright annealed (BA) tube when:
Extremely high corrosion resistance is required, especially in harsh environments such as the chemical and marine industries.
High cleanliness requirements to prevent product contamination, such as in the food, semiconductor industries.
Aesthetics are important, such as for visible decoration or high-end equipment components.
Media tend to deposit or adhere to the surface, and a smooth surface is easier to clean and maintain (such as food and dairy piping)
Application
Boiler superheater/reheater tubes
Economizer tube bundles
U-tube heat exchangers (TEMA standard)
Hydrogenation reactor feed/discharge lines
Auxiliary steam generator tube bundles
High-temperature molten salt heat exchangers (solar thermal power generation)
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 Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou... Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
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