304l Stainless Steel Polished Pipe
304L stainless steel pipe S30403 (American AISI, ASTM) 304L corresponds to the Chinese grade 00Cr19Ni10. Characteristics and uses: Steel with lower carbon content than 0Cr19Ni9, superior resistance to intergranular corrosion, and is a component that does not require heat treatment after welding.
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Description
Gnee Steel (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of 304l stainless steel polished pipe in China. With abundant experience, we warmly welcome you to wholesale customized 304l stainless steel polished pipe from our factory. For price consultation, contact us.
304L stainless steel precision tube is a low carbon version of 304, containing 18% chromium, 8% nickel, austenitic structure, non-magnetic. The surface is treated by mechanical polishing (MP), electrolytic polishing (EP) or bright annealing (BA), and the finish reaches Ra≤0.8μm (EP grade can reach Ra≤0.25μm).
304L stainless steel Mirror Finish tube has a low risk of intergranular corrosion after welding and is suitable for equipment that requires frequent welding. The smooth surface reduces bacterial growth and meets food and medical hygiene standards.
Application of 304L stainless steel Marine Grade tube
Food and medicine: milk, beverage delivery pipelines, pharmaceutical equipment (such as reactors, storage tanks).
Chemical environmental protection: pickling liquid pipelines, water treatment equipment.
Building decoration: high-end decorative pipes, furniture accessories.
304L Hairline Finish tube
304L Stainless Steel Bright Annealed Tube Specifications
| Parameter | Value |
|---|---|
| Outer Diameter (OD) | 6mm – 630mm (Customizable) |
| Wall Thickness | 0.5mm – 20mm |
| Length | 1m – 12m (Standard & Custom) |
| Surface Finish | Mirror Polished, Satin, or Customized |
| Standard | ASTM A554, ASTM A312, ASTM A269, EN 10296-2 |
304L Stainless Steel Cold Drawn Tube Chemical Composition (%)
| Element | C (Max) | Si (Max) | Mn (Max) | P (Max) | S (Max) | Cr | Ni | N (Max) |
|---|---|---|---|---|---|---|---|---|
| 304L | 0.03 | 1.00 | 2.00 | 0.045 | 0.030 | 18.0-20.0 | 8.0-12.0 | 0.10 |
304L Stainless Steel Electropolished Tube Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength (MPa) | ≥ 485 |
| Yield Strength 0.2% Proof (MPa) | ≥ 170 |
| Elongation (%) | ≥ 40 |
| Hardness (Brinell HB) | ≤ 192 |
| Hardness (Rockwell B) | ≤ 90 |
Why choose GNEE
GNEE is ISO 9001, FDA, ASME BPE certified and complies with ASTM A270 (sanitary), GB/T 12771 and other standards. It can provide mirror polishing, matte or brushed effects to meet decorative or industrial needs.
stainless steel pipe 304l Suppliers
High quality Stainless Steel Round Tube 304/304L Packaging
FAQ:
1.Q: Are you a factory or trading company?
A: We are professional manufacturer, and our company also is a very professional a trade company for steel products.We can provide a wide range of steel products.
2.Q:What do your factory do regarding quality control?
A: We have obtained ISO, CE and other certifications. From materials to products, we check every process to maintain good quality.
3.Q: Can I get samples before order ?
A: Yes, of course. Usually our samples are free. we can produce by your samples or technical drawings.
4.Q:what is your delivery time ?
A: Our delivery time is about one week, timing according to the number of customers.
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