ASTM A270 TP304 Food Grade Stainless Steel Seamless Tube 1/2" to 8" OD with 20 μ-in Ra Mirror Finish
Price:
800 - 9000 USD / ton
MOQ:
5T
Delivery Time:
60-75days
Brand:
HDT
Product Description
Product Overview
Hua Dong Energy Technology food grade stainless steel seamless tubes exceed ASTM A270 S2 and 3A specifications, manufactured from premium materials using the proprietary Micro-Weld™ process for superior weld seam integrity and exceptional surface finishes.
Key Specifications
Available Sizes
Standard sizes from 1/2" (12.7 mm) to 8" (203.2 mm) OD in 20' (6.1 m) lengths
Surface Finish
Polished mirror surface with maximum 20 μ-in Ra (0.5 μm) ID and 30 μ-in Ra (0.8 μm) OD surface roughness
Chemical Composition
| Elements | 304L (wt%) | 316L (wt%) |
|---|---|---|
| Carbon (C), max | 0.035 | 0.035 |
| Manganese (Mn), max | 2.00 | 2.00 |
| Phosphorus (P), max | 0.040 | 0.040 |
| Sulfur (S), max | 0.030 | 0.030 |
| Silicon (Si), max | 0.75 | 0.75 |
| Nickel (Ni) | 8.0 - 13.0 | 10.0 - 15.0 |
| Chromium (Cr) | 18.0 - 20.0 | 16.0 - 18.0 |
| Molybdenum (Mo) | N/A | 2.0 - 3.0 |
| Iron (Fe) | Bal. | Bal. |
Dimensional Tolerances
| Size OD | Nominal Wall | Outside Diameter | Length | Wall |
|---|---|---|---|---|
| 1/2" (12.7) | 0.065" (1.65)/0.049" (1.25) | +/-0.005 (0.13) | +1/8" (3.18) - 0 | +/-10.0% |
| 3/4" (19.1) | 0.065" (1.65)/0.049" (1.25) | +/-0.005 (0.13) | +1/8" (3.18) - 0 | +/-10.0% |
| 1" (25.4) | 0.065" (1.65)/0.049" (1.25) | +/-0.005 (0.13) | +1/8" (3.18) - 0 | +/-10.0% |
| 1-1/2" (38.1) | 0.065" (1.65)/0.049" (1.25) | +/-0.008" (0.20) | +1/8" (3.18) - 0 | +/-10.0% |
| 2" (50.8) | 0.065" (1.65)/0.049" (1.25) | +/-0.008" (0.20) | +1/8" (3.18) - 0 | +/-10.0% |
| 2-1/2" (63.5) | 0.065" (1.65) | +/-0.010" (0.25) | +1/8" (3.18) - 0 | +/-10.0% |
| 3" (76.2) | 0.065" (1.65) | +/-0.010" (0.25) | +1/8" (3.18) - 0 | +/-10.0% |
| 4" (101.6) | 0.083" (2.11) | +/-0.015" (0.38) | +1/8" (3.18) - 0 | +/-10.0% |
| 6" (152.4) | 0.083" (2.11) | +/-0.030" (0.76) | +1" (25.4) - 0 | +/-10.0% |
| 6" (152.4) | 0.109" (2.77) | +/-0.030" (0.76) | +1" (25.4) - 0 | +/-10.0% |
| 8" (203.2) | 0.109" (2.77) | +0.061" (1.55)/-0.031" (0.79) | +1" (25.4) - 0 | +/-10.0% |
Quality Assurance Features
- Hydrogen bright annealed at 1900°F (1040°C) minimum with rapid quenching
- Full battery of ASTM bend and deformation tests
- Eddy Current testing at tube mill
- Superior polishing techniques for industry-leading surface finishes
- Full traceability with printed specifications, heat number, and manufacturing date
- Protective packaging with 2 mil poly sleeving and air tight plastic end caps
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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
ZHANGJIAGANG HUA DONG ENERGY TECHNOLOGY CO.,LTD
Location
Rm. 1202, Buildiing A, Wanda Plaza, Zhangjiagang, Jiangsu, China
Contact Person
Yolanda Zou