Yuhong Group Co.,Ltd
| Payment Terms | L/C, T/T |
| Delivery Time | 7 DAYS |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Product Name | Stainless Steel Sanitary Tubing |
| Standard | ASTM A270 / ASME SA270 |
| Material | TP304/304L/316/316L |
| O.D. | 12.7, 25.4, 38.1, 50.8, 63.5MM.... |
| W.T. | 1.2, 1.5, 2MM.... |
| Length | Single Random, Double Random & Cut Length |
| Surface | Polish, Bright Annealed |
| Type | Seamless / Welded |
| END | Plain End, Beleved End, Thread End |
| High Light | ASTM A270 Stainless Steel Sanitary Tube, TP304 Seamless Tube |
| Brand Name | YUHONG |
| Model Number | ASTM A270 TP304 Stainless Steel Sanitary Tube |
| Certification | ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Delivery Time | 7 DAYS |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap | Product Name | Stainless Steel Sanitary Tubing |
| Standard | ASTM A270 / ASME SA270 | Material | TP304/304L/316/316L |
| O.D. | 12.7, 25.4, 38.1, 50.8, 63.5MM.... | W.T. | 1.2, 1.5, 2MM.... |
| Length | Single Random, Double Random & Cut Length | Surface | Polish, Bright Annealed |
| Type | Seamless / Welded | END | Plain End, Beleved End, Thread End |
| High Light | ASTM A270 Stainless Steel Sanitary Tube, TP304 Seamless Tube | Brand Name | YUHONG |
| Model Number | ASTM A270 TP304 Stainless Steel Sanitary Tube | Certification | ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA | ||
| High Light | ASTM A270 sanitary tubing ，food grade 304 stainless steel tube ，seamless dairy industry tubing | ||
ASTM A270 TP304 Stainless Steel Seamless Sanitary Tubing for Food Indusrty
ASTM A270 is the standard specification for seamless and welded austenitic stainless steel sanitary tubing. It covers tubing used in hygienic applications (food, dairy, beverage, pharmaceutical) where cleanability and corrosion resistance are critical. There are two main finish categories:
Mechanically Polished – ID (inner diameter) is mechanically polished to a smooth, bright finish. Common Ra (roughness average) values: 20 μin (0.5 μm) or 15 μin (0.38 μm).
Electropolished – After mechanical polishing, an electrochemical process removes a thin layer, further smoothing the surface and improving corrosion resistance. Often required for ultra-hygienic or pharmaceutical applications.
Typical finishes offered:
180 grit – standard dairy finish
240 grit – smoother, easier cleaning
320 grit / electropolish – for demanding CIP/SIP systems
Equivalent Grade of ASTM A270 TP304 Stainless Steel Seamless Tube Sanitary Tubing
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 304 | S30400 | 304S31 | 58E | 1.4301 | X5CrNi18-10 | 2332 | SUS 304 |
Chemical Composition of ASTM A270 TP304 Stainless Steel Seamless Tube Sanitary Tubing
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 304 | min. | – | – | – | – | – | 18.0 | – | 8.0 | – |
| max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | 0.10 | ||
| 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 | ||||
| 304 | 515 | 205 | 40 | 92 | 201 |
Sanitary tube is designed for easy cleaning and bacteria‑free operation – the smooth inner surface and tight tolerances allow it to meet FDA and 3‑A sanitary standards.
Normal tube is made for strength, pressure, or structural use, but without the surface finish or cleanliness required for hygienic applications.
If you are supplying for the dairy industry, ASTM A270 sanitary tube with a polished ID is the correct product. Using “normal” tube (even if 304 stainless) would risk product contamination, difficult cleaning, and non‑compliance with food safety regulations.
Application
Fluid Transfer
Plumbing
Food and Beverage Industry
Chemical Processing
Manufacturing EquipmentMarine Applications
HVAC Systems
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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