Spezilla Tube Co., Ltd. (Shanghai)
Spezilla Tube Co., Ltd. Excellence in Stainless Steel Tubing
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EN 1.4541, ASTM TYPE 321 / UNS S32100 OD10 X 1.0MM Welded Precision Stainless Steel Tubing Bright Annealed
Description:
321/4541 Welded Precision Stainless Steel Tubing is a titanium-stabilized austenitic stainless steel with improved intergranular corrosion resistance for an extended temperature range. 321/4541 is an austenitic stainless steel that belongs to the standard CrNi stainless steel family. 321/4541 can be welded in all dimensions without becoming susceptible to intergranular corrosion.
The austenitic CrNi standard grades are the most widely used group of stainless steels. Their well-balanced material properties make them suitable for the fabrication of many products. Due to its titanium content, 21/4541 can be used at elevated temperatures. For high-temperature applications, the use of the optimized high-temperature Therma 321H/4878 is recommended.
321/4541 is available in many product forms and dimensions, often also from many stainless steel stockholders. Polishing of Core 321/4541 is limited due to its titanium alloying.
Description:
| Item Code: | SPW-EN10217-7-1.4541 / AISI 321 |
| Tube OD.: | 10MM |
| Wall: | 1.0MM |
| Length: | 6000MM |
| Material: | 1.4541 / AISI 321 |
| Standard: | EN10217-7 / ASME SA249 / ASTM A249 |
| Finish: | BA / Bright Annealed. |
| Type: | Welded |
| Certification: | ISO9001:2015 |
| Mill Test Certificate: | EN10204 3.1 |
| Packing: | Sleeved, Wooden Boxed |
| Chemical Element | % ( Weight ) |
| Carbon (C) | 0.0 - 0.030 |
| Chromium (Cr) | 16.50 - 18.50 |
| Manganese (Mn) | 0.0 - 2.00 |
| Silicon (Si) | 0.0 - 1.00 |
| Phosphorous (P) | 0.0 - 0.045 |
| Sulphur (S) | 0.0 - 0.015 |
| Mo | 2.00 - 2.50 |
| Nickel (Ni) | 10.00 - 13.00 |
| Iron (Fe) | Balance |
| Mechanical Property | Value |
| Proof Stress | 190 Min MPa |
| Tensile Strength | 490 - 690 MPa |
| Elongation | 40 Min % |
| Hardness | 90 Max HRB |
Available Tube Product Forms:
Straight.
Coiled.
Welded and Cold Redrawn.
Quality Assurance:
Spezilla's 1.4541 welded precision stainless steel tubes are produced acc. to the following process and inspection to assure our quality:
1. Chemical Composition Analysis Test With 100% PMI.
2. Solution Annealing / Bright Annealed.
3. 100% Hydrostatic Test and 100% Eddy Current Test
4. Mechanical Tests includes Tension Test, Flattening Test, Flaring Test, Hardness Test.
5. Impact Test subject to Standard request.
6. Grain Size Test and Intergranular Corrosion Test.
7. Visual Test and Endoscope Test for Surface Quality Test
Typical Applications:
Heat Exchangers
Heating Elements
Instrumentation Tubing
Typical Manufacturing Specifications:
EN10217-7
ASTM A249
ASTM A269
Also individual customer specifications.
