Stainless Steel DIN 1.4301 Seamless Pipes
The corrosion resistance of 1.4301 stainless steel pipe is mainly due to its sufficient chromium content, which can form a stable oxide film on the surface to prevent further oxidation and corrosion. In addition, this stainless steel also contains a certain amount of nickel, which can enhance its corrosion resistance and processability.
In terms of application, 1.4301 cold drawn tubes are widely used in the food industry, chemical industry, medical equipment, household products and other fields. For example, food processing equipment, pressure vessels, pharmaceutical equipment, surgical instruments, etc. all require the use of this highly corrosion-resistant stainless steel. In short, 1.4301Stainless Steel Round Pipe is a stainless steel with excellent corrosion resistance. It has a wide range of applications and excellent performance, and is an important material in many industries.
DIN 1.4301 Pipes Seamless Pipes Equivalent Grades
| Grade | 304 | |
| UNS No | S30400 | |
| Old British | BS | 304S31 |
| En | 58E | |
| Euronorm | No | 1.4301 |
| Name | X5CrNi18-10 | |
| Swedish SS | 2332 | |
| Japanese JIS | SUS 304 | |
DIN 1.4301 SS Pipes Mechanical Properties
| Grade | DIN 1.4301 | |
|---|---|---|
| Tensile Strength (MPa) min | 515 | |
| Yield Strength 0.2% Proof (MPa) min | 205 | |
| Elongation (% in 50mm) min | 40 | |
| Hardness | Rockwell B (HR B) max | 92 |
| Rockwell B (HR B) max | 201 | |
DIN 1.4301 SS Seamless Pipe
Craftsmanship:
In the standard, the recommended heating temperature range is wide: 1000~1150℃, and 1020-1080℃ is usually used. Consider the specific grade composition, whether it is a casting or a forging, etc., and adjust the heating temperature appropriately within the allowable range. If the heating temperature is low, the C-Cr carbide cannot be fully dissolved. If the temperature is too high, the grains will grow and the corrosion resistance will be reduced.
Those with C content ≥ 0.08%; those with Cr content > 22% and higher Ni content; those with C content < 0.08% but effective size > 3mm should be water-cooled;
C content <0.08%, size <3mm, can be air-cooled; effective size ≤0.5mm can be air-cooled
1.4301 processing and welding performance:
1.4301 has excellent cold deformation forming performance and is suitable for various standard welding. It is recommended to use 308L electrode and wire for welding.
GNEE's stainless steel products mainly cover special grades such as 201/304/316, with diameters of 6mm-219mm, thicknesses of 0.3-4.0mm, grain sizes of 400-600, and surface treatment processes of 180HL, 240HL, and 329HL. At the same time, the monthly output can reach about 5,000 tons.
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