304 Stainless Steel Round Tube
Surface Treatment：Polished
Section Shape;Round
Technical Standard:Cold Rolling / Hot Rolling
Thickness:0.1-60mm or Customized
Outer Diameter:6-1200mm or Customized
Advantages of 304 stainless steel corrosion resistant round tube
304 stainless steel round tube has 18% chromium + 8% nickel austenitic structure, reducing the risk of intergranular corrosion. Passed ASTM A262 intergranular corrosion test, salt spray test over 1000 hours without rust.
304 stainless steel seamless round tube has uniform cross section, and its external pressure resistance is 30% higher than that of square tube, which is suitable for heavy load support. It can be cold bent 180° without cracks, and the expansion rate is ≥30%, which supports complex shape processing (such as U-shaped bends).
The weld strength of 304 austenitic stainless steel tube after welding is ≥90% of the parent material. Suitable for precision welding scenarios such as food machinery and pressure vessels.
SS 304 Round Pipe
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GNEE supplies 304 stainless steel seamless round tubes using hot extrusion + cold drawing process, with uniform tube wall, suitable for high-pressure systems (such as boilers, oil pipelines). It also provides cutting, bending (R = 1D-3D), flange welding (DIN/ASME standards) and other supporting services.
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304 Stainless Steel Round Tube Specifications
Material Grade: ASTM A312 TP304 / EN 1.4301 / SUS 304
Density: 7.93 g/cm³
Surface Finish: Mill, Polished (Ra ≤ 0.8μm), Pickled
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Standard |
ASTM |
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Section Shape |
Round |
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Alloy Or Not |
Is-Alloy |
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Welding Line Type |
Seamless |
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Processing Service |
Bending, Welding, Decoiling, Punching, Cutting, Moulding |
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Model Number |
201/202/304/316/316L/430 |
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Steel Grade |
200/300/400 Series, 301L, 321, 410L, 304 |
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Tolerance |
±0.3% |
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Size |
Outer Diameter: 10-2000mm or as customer's requirements |
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Thickness: 0.1-100mm or as customer's requirements |
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Length: 1-12m or as requirements |
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Length |
1-12m or as your requirements |
GNEE supplies chemical companies with 304 stainless steel round tubes with 5-year corrosion-free
Complies with ASTM A312 standards, passed intergranular corrosion test (ASTM A262 Practice E) and salt spray test (1000 hours rust-free).
After 5 years of continuous operation, there is no pitting, perforation or intergranular corrosion on the inner wall of the pipeline, and no defects are found after ultrasonic flaw detection. Compared with carbon steel pipelines (annual maintenance costs of about 500,000 yuan), the life cycle cost of 304 stainless steel pipes is reduced by 60%, and the loss of shutdown is reduced by more than 2 million yuan.
304 stainless steel round tube manufacturer
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