DIN2394 Welded and Sized Precision Steel Tubes
DIN2394 steel pipe is widely used in mechanical manufacturing and structural pipe making because of its high-precision size and excellent mechanical properties.
DIN2394 steel pipes are also used in the manufacture of precision tubes for automobiles.
When you choose our DIN2394 Precision Steel Tubes, you’re investing in quality,efficiency, and a product that stands the test of time.
Haotan offers the perfect solution all kinds of tubes.
DIN2394 Tube Specifications
• Procedure: welded
• Dimensions: 10.3mm – 165mm
• Thickness: 1.0mm – 25mm
• Unit Length: 1 – 12 metres
• Steel Grade: RSt 34-2,RSt 34-2,St 44-2,St 52-3
• End Shape: Beveled end, plain end, vanished, or adding plastic caps, as per customer's requirements
• Pipe Packing: In bundles, Plastic film full length wrap
Supply Condition
• BKM
• GBK (+A) After the final cold forming process the tubes are annealed in a controlled atmosphere.
• NBK (+N) After the final cold forming process the tubes are annealed above the upper transformation point in acontrolled atmosphere.
Mechanical Property
| Steel Grade | Mechanical Performance | |||||||
| GBK(+A) | NBK(+N) | BKM | ||||||
| Tensile | Elongation | Tensile | Yield | Elongation | Tensile | Elongation | ||
| Symbol | Material No | Strength | rate | Strength | Strength | rate | Strength | rate |
| (Rm mpa) | (A5 %) | (Rm mpa) | (Reh mpa) | (A5 %) | (Rm mpa) | (A5 %) | ||
| RSt 34-2 | 1.0034 | 300 | 28 | 310~410 | 205 | 28 | 330 | 8 |
| RSt 37-2 | 1.0038 | 315 | 25 | 340~470 | 235 | 25 | 390 | 7 |
| St 44-2 | 1.0044 | 390 | 21 | 410~540 | 255 | 21 | 440 | 6 |
| St 52-3 | 1.0570 | 490 | 22 | 490~630 | 355 | 22 | 540 | 5 |
Chemical Composition
| Steel Grade | Chemical Composition, as a percentage by mass | |||||||||
| Symbol | Material No | C | Si | Mn | P | S | ||||
| Max. | Max. | Max. | Max. | |||||||
| RSt 34-2 | 1.0034 | 0.15 | 0.30 | ≤0.60 | 0.025 | 0.025 | ||||
| RSt 37-2 | 1.0038 | 0.17 | 0.30 | ≤0.70 | 0.025 | 0.025 | ||||
| St 44-2 | 1.0044 | 0.21 | 0.35 | ≤1.10 | 0.025 | 0.025 | ||||
| St 52-3 | 1.0570 | 0.22 | 0.55 | ≤1.60 | 0.025 | 0.025 | ||||
Advantages of Haotan Tube
• Precise custom outer diameter and inner diameter
• Tight tolerances, resulting in reduced machine time / Dimensional accuracy
• Smooth and Clean OD and ID surfaces
• Excellent machining characteristics
• Wider range of physical properties attainable through process and annealing options
Manufacturing Process
