Payment & Shipping Terms:
|Standard:||EN10217-7||Material Grade:||SS304 1.4301|
|Size Range:||15-204mm||Finishing Options:||Bright Annealing, Pickling, Polishing, Custom Cutting|
|Test Certificate:||EN10204 3.1||Packaging:||Wooden Box, Bundled, Export Packaging Available|
|Product Name:||Welded Stainless Steel Tube||Quality Assurance:||100% ET|
204mm Welded Stainless Steel Tube,
EN10217-7 welding sanitary tubing,
1.4301 welding thin wall stainless steel tubing
EN10217-7 SS304 1.4301 Welded Tube,Stainless Steel Tube BA finished
EN10217-7 tubes will be manufactured from hot or cold rolled plate, sheet or strip 1D, 2D, 2E, 2B surface, by longitudinally arc or laser welding.We use automatic TIG welding type to weld tubes, and remove inside seam and external seam, making inner and outer surface more smooth and perfect roughness.
When tube is finished, chemical composition analysis should be carried out according to EN 10217-7, to ensure the correct grade by direct-reading spectrometer or PMI tester.
|Tube Type||Welded Tube|
|Grades||1.4301, 1.4307, 1.4404, 1.4541, 1.4571, 1.4462|
|Finishing||As Welded, Annealing Pickling, Bright Annealing, Polished|
|Outside Diameter||6 To 204 MM|
|Thickness||0.5 To 4 mM|
Spezilla's 1.4301 welded 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 Manufacturing Specifications:
Our specialists in the surface treatment department ensure the best workmanship, high surface quality and guaranteed hygiene safety in all common nominal diameters from DN 10 to DN 300. For a consistently high surface quality we rely on a fully automatic pipe grinding shop.
We offer top quality and short delivery times!
Our stainless steel tubes are available in the following versions:
CC: unannealed, etched inside and outside,
CD: unannealed, etched inside and polished outside,
BC: annealed, etched inside and outside,
BD: annealed, etched inside and polished outside,
EN 10217-7 Common Steel Grades And Equivalent AISI Grades
|Steel Name||Steel Number||AISI Grade|
Chemical Composition 1.4301 Welded Stainless Steel Tube:
|Chemical Element||% ( Weight )|
|Carbon (C)||0.0 - 0.08|
|Chromium (Cr)||17.500 - 19.50|
|Manganese (Mn)||0.0 - 2.00|
|Silicon (Si)||0.0 - 1.00|
|Phosphorous (P)||0.0 - 0.05|
|Sulphur (S)||0.0 - 0.03|
|Nickel (Ni)||8.00 - 10.50|
|Nitrogen (N)||0.0 - 0.11|
Mechanical Property 1.4301 Welded Stainless Steel Tube:
|Proof Stress||190 Min MPa|
|Tensile Strength||500 to 700 MPa|
|Elongation A50 mm||45 Min %|
|Hardness Brinell||215 Max HB|
Contact Person: Will Ma
Tel: +86 13918539222