Bright Annealed 304 Stainless Steel Finned Tubing 6-323.8mm OD for Sanitary Heat Exchangers
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
30 DAYS
Brand:
zheheng
Product Description
Product Overview
Bright annealed 304 stainless steel finned tubing designed for sanitary and industrial heat exchanger applications. These tubes feature precision manufacturing with various polishing options and comprehensive quality certifications.
Key Specifications
| Outer Diameter | 6-323.8mm (1/4" - 12") |
| Wall Thickness | 1.0mm, 1.2mm, 1.5mm, 1.65mm, 2.0mm, 2.1mm, 3.0mm |
| Standard Length | 6 meters (custom lengths available) |
| Steel Grades | 301, 304, TP304, TP304L/304L, 321, TP321, 316, TP316L, 316L |
| Standards | ASTM A249, A269, A312, A554, A270 |
| Polishing Options | 180#, 240#, 320#, 400#, 600# |
Manufacturing & Quality
- Process Methods: Automatic welding or seamless precision rolling
- Surface Treatment: Bright annealed with pickling for sanitary applications
- Quality Certification: ISO 9001:2008
- Annual Supply Capacity: 1000 tons
- Delivery Time: 30-60 days depending on quantity
Applications
Ideal for liquid delivery systems in food processing, dairy industry, and various industrial heat exchanger applications requiring high hygiene standards and corrosion resistance.
Packaging & Protection
- Plastic end caps to protect tube openings
- Individual plastic bag wrapping
- Secure plywood case packing for shipment
Chemical Composition
| Element | 201 | 202 | 304 | 316 | S31803 | S32750 |
|---|---|---|---|---|---|---|
| C | ≤0.15 | ≤0.15 | ≤0.08 | ≤0.08 | ≤0.030 | ≤0.030 |
| Si | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | ≤0.80 |
| Mn | 5.5-7.5 | 7.5-10.0 | ≤2.00 | ≤2.00 | ≤2.00 | ≤1.20 |
| P | ≤0.060 | ≤0.060 | ≤0.045 | ≤0.045 | ≤0.030 | ≤0.035 |
| S | ≤0.030 | ≤0.030 | ≤0.030 | ≤0.030 | ≤0.020 | ≤0.020 |
| Cr | 16-18 | 17-19 | 18-20 | 16-18 | 21-23 | 21-23 |
| Ni | 3.5-5.5 | 4.0-6.0 | 8-10.5 | 10-14 | 4.5-6.5 | 6.0-8.0 |
| Mo | 2.0-3.0 | 2.5-3.5 | 3.0-5.0 | |||
| N | ≤0.25 | ≤0.25 | 0.08-0.2 | 0.24-0.32 | ||
| Cu | ≤0.50 |
Mechanical Properties
| Material | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HV) |
|---|---|---|---|---|
| 201 | ≥655 | ≥260 | ≥35 | ≤230 |
| 202 | ≥620 | ≥310 | ≥35 | ≤230 |
| 304 | ≥515 | ≥205 | ≥35 | ≤200 |
| 316 | ≥515 | ≥205 | ≥35 | ≤200 |
| S31803 | ≥620 | ≥450 | ≥25 | ≤303 |
| S32750 | ≥800 | ≥550 | ≥15 | ≤323 |
Product Image
Business Terms
- Payment Terms: T/T, Irrevocable L/C at sight
- Trade Terms: FOB, CFR, CIF
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Wenzhou Zheheng Steel Industry Co.,Ltd
Location
No999 .wenzhou airport wenzhou city,zhejiang china
Contact Person
BAIN SHEN