EN 10217-7 Welded Stainless Steel Tubes
- Grade: 1.4301, 1.4306, 1.4307, 1.4948, 1.4401, 1.4436, 1.4404, 1.4571, 1.4435, 1.4541, 1.4941, 1.4550, 1.4961, 1.4539, 1.4529, 1.4547, 1.4563, 1.4958, 1.4959, 1.4961, 1.4462, 1.4362, 1.4507, 1.4410, 1.4501
- Manufacturing Methods: Automatic arc welding, Laser welding
- OD: 10-1219mm, WT: 1-45mm, L: 6000mm/12000mm
Features
EN 10217-7 Welded Stainless Steel Tubes
Chemical Composition (wt.%)
| Steel Grade | C | Si | Mn | P | S | Cr | Mo | Ni | N | Others |
| 1.4301 | ≤0.07 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.015 | 17.5-19.5 | 8.0-10.5 | |||
| 1.4306 | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.015 | 18.0-20.0 | 10.0-12.0 | |||
| 1.4307 | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.015 | 17.5-19.5 | 8.0-10.5 | |||
| 1.4948 | ≤0.12 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.015 | 17.0-19.0 | 8.0-11.0 | |||
| 1.4401 | ≤0.07 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.015 | 16.5-18.5 | 2.0-2.5 | 10.5-13.5 | ||
| 1.4436 | ≤0.07 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.015 | 16.5-18.5 | 2.5-3.0 | 10.5-13.0 | ||
| 1.4404 | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.015 | 16.5-18.5 | 2.0-2.5 | 10.0-13.0 | ||
| 1.4571 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.015 | 16.5-18.5 | 2.0-2.5 | 10.5-13.5 | Ti: 5xC to 0.70 | |
| 1.4435 | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.015 | 17.0-19.0 | 2.5-3.0 | 12.5-15.0 | ||
| 1.4541 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.015 | 17.0-19.0 | 9.0-12.0 | Ti: 5xC to 0.70 | ||
| 1.4941 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.015 | 17.0-19.0 | 9.0-12.0 | |||
| 1.4550 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.015 | 16.5-18.5 | 2.5-3.0 | 10.5-13.5 | Ti: 5xC to 0.70 | |
| 1.4961 | ≤0.10 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.015 | 17.0-19.0 | 9.0-12.0 | |||
| 1.4539 | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.015 | 19.0-21.0 | 4.0-5.0 | 24.0-26.0 | ||
| 1.4529 | ≤0.02 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.015 | 19.5-21.5 | 2.0-2.5 | 24.0-26.0 | ||
| 1.4547 | ≤0.02 | ≤0.70 | ≤1.00 | ≤0.035 | ≤0.015 | 19.5-20.5 | 4.0-4.5 | 25.0-26.0 | ≤0.11 | Cu: 0.5-1.0 |
| 1.4563 | ≤0.08 | ≤0.75 | ≤2.00 | ≤0.045 | ≤0.015 | 24.0-26.0 | 4.0-5.0 | 19.0-22.0 | ≤0.15 | |
| 1.4958 | ≤0.10 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.015 | 17.0-19.0 | 9.0-12.0 | |||
| 1.4959 | ≤0.10 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.015 | 17.0-19.0 | 9.0-12.0 | |||
| 1.4462 | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.015 | 21.0-23.0 | 2.5-3.5 | 4.5-6.5 | 0.10-0.22 | |
| 1.4362 | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.040 | ≤0.015 | 23.0-25.0 | 0.10-0.60 | 3.5-5.5 | ≤0.20 | |
| 1.4507 | ≤0.02 | ≤0.50 | ≤1.00 | ≤0.035 | ≤0.015 | 24.0-25.0 | 1.0-1.5 | 6.0-7.0 | 0.10-0.20 | Cu: 1.5-2.5 |
| 1.4410 | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.015 | 25.0-26.0 | 3.0-4.0 | 6.0-7.0 | 0.10-0.22 | |
| 1.4501 | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.015 | 24.0-26.0 | 3.0-4.0 | 6.0-8.0 | 0.10-0.25 | Cu: ≤0.75 |
Mechanical Properties
| Steel Grade | Rp0.2 (MPa) | Rm (MPa) | A (%) |
| 1.4301 | ≥190 | 500-700 | ≥45 |
| 1.4306 | ≥180 | 480-680 | ≥40 |
| 1.4307 | ≥180 | 450-650 | ≥40 |
| 1.4948 | ≥180 | 460-660 | ≥40 |
| 1.4401 | ≥200 | 520-720 | ≥40 |
| 1.4436 | ≥200 | 520-720 | ≥40 |
| 1.4404 | ≥200 | 500-700 | ≥40 |
| 1.4571 | ≥210 | 500-700 | ≥40 |
| 1.4435 | ≥200 | 500-700 | ≥40 |
| 1.4541 | ≥210 | 500-700 | ≥40 |
| 1.4941 | ≥210 | 500-700 | ≥40 |
| 1.4550 | ≥200 | 520-720 | ≥40 |
| 1.4961 | ≥210 | 500-700 | ≥40 |
| 1.4539 | ≥230 | 540-740 | ≥35 |
| 1.4529 | ≥240 | 550-750 | ≥35 |
| 1.4547 | ≥300 | 650-850 | ≥25 |
| 1.4563 | ≥240 | 530-730 | ≥35 |
| 1.4958 | ≥210 | 500-700 | ≥40 |
| 1.4959 | ≥210 | 500-700 | ≥40 |
| 1.4462 | ≥450 | 620-850 | ≥25 |
| 1.4362 | ≥400 | 600-800 | ≥20 |
| 1.4507 | ≥450 | 680-880 | ≥25 |
| 1.4410 | ≥550 | 750-950 | ≥20 |
| 1.4501 | ≥550 | 750-950 | ≥25 |
Technical Specifications
| Specification | Value |
| Standard | EN 10217-7 Welded Stainless Steel Tubes |
| Grade | 1.4301, 1.4306, 1.4307, 1.4948, 1.4401, 1.4436, 1.4404, 1.4571, 1.4435, 1.4541, 1.4941, 1.4550, 1.4961, 1.4539, 1.4529, 1.4547, 1.4563, 1.4958, 1.4959, 1.4961, 1.4462, 1.4362, 1.4507, 1.4410, 1.4501 |
| Delivery Condition | W0: Welded from hot or cold rolled plate, sheet or strip 1D, 2D, 2E, 2B W1: Welded from hot rolled plate, sheet or strip 1D, descaled W1A: Welded from hot rolled plate, sheet or strip 1D, heat treated, descaled W1R: Welded from hot rolled plate, sheet or strip 1D, bright annealed. W2: Welded from cold rolled plate, sheet or strip 2D, 2E, 2B, descaled W2A: Welded from cold rolled plate, sheet or strip 2D, 2E, 2B, heat treated, descaled W2R: Welded from cold rolled plate, sheet or strip 2D, 2E, 2B, bright annealed WCA: Welded from hot rolled or cold rolled plate, sheet or strip 1D, 2D, 2E, 2B, heat treated if appropriate, at least 20 % cold formed, heat treated, with re-crystallized weld metal, descaled WCR: Welded from hot rolled or cold rolled plate, sheet or strip 1D, 2D, 2E, 2B, heat treated if appropriate, at least 20 % cold formed, bright annealed, with re-crystallized weld metal WG: Ground WP: Polished |
| MFG. Methods | Automatic arc welding, Laser welding |
| Test Categories | TC1, TC2 |
| Density | 7.93 – 7.98g/cm³ |
| Dimension | OD: 10-1219mm; WT: 1-45mm; L: 6000/12000mm |
| Inspection Certificate | EN 10204 Type 3.1 (Mill Test Certificate), EN 10204 Type 3.2 (Witness Testing or 3rd Party Inspection) |
| Tests | Chemical Analysis, Tensile Test, Flattening Test, Ring Tensile Test, Drift/Ring Expanding Test, Leak tightness Test, Visual & Dimensional Inspection, NDT |
Packing
Small diameter packed in plywood box; large diameter packed on plywood pallets.
Application
Pressure Systems: These tubes are extensively used in pressure systems, including boilers, heat exchangers, and condensers, where their ability to withstand high pressure and resist corrosion is critical.
Chemical and Petrochemical Industry: These tubes’ corrosion resistance makes them suitable for transporting chemicals and petrochemicals. They are also used in processing plants to handle acids, alkalis, and other corrosive substances.
Oil and Gas Industry: In the oil and gas sector, these tubes are used for drilling, production, and transportation of oil and gas due to their durability and resistance to harsh environmental conditions.
Food and Beverage Industry: Stainless steel’s sanitary properties make these tubes ideal for processing and transporting food products and beverages in the food and beverage industry.
Pharmaceutical Industry: Due to their high cleanliness and corrosion resistance, these tubes are used in the pharmaceutical industry to manufacture and transport medicines and other pharmaceutical products.
Power Generation: These tubes are used in power plants for various applications, including heat recovery steam generators and steam pipelines, owing to their ability to withstand high temperatures and pressures.
Automotive and Aerospace: In these industries, seamless stainless steel tubes are used for their high strength, lightweight, and resistance to corrosion, which are essential for safety and performance.
Construction and Architecture: Their aesthetic appeal, strength, and durability make these tubes suitable for structural and decorative purposes in construction and architectural applications.
