Stainless 321 Pipe is an austenitic stainless steel, and its corrosion resistance is similar to that of 304/304l. This rating is usually 800-1500 ˚ F temperature range, in which chromium carbide precipitation is stabilized by adding titanium, resulting in titanium carbide precipitation.
Chemical compositions of series 300
Grade | C | S | Mn | P | S | Cr | Ni | N | Ti | Mo |
301 | ≤0.15 | ≤1 | ≤2 | ≤0.045 | ≤0.03 | 16-18 | 6-8 | / | ||
301L | ≤0.03 | ≤1 | ≤2 | ≤0.045 | ≤0.03 | 18-20 | 8-10.5 | ≤0.02 | ||
304 | ≤0.08 | ≤1.00 | ≤2.0 | ≤0.045 | ≤0.03 | 18.0-20.0 | 8.0-10.5 | ≤0.1 | ||
304L | ≤0.03 | ≤1.00 | ≤2.0 | ≤0.045 | ≤0.03 | 18.0-20.0 | 8.0-12.0 | ≤0.1 | ||
316 | ≤0.08 | ≤0.75 | ≤2.0 | ≤0.045 | ≤0.03 | 2.0-3.0 | 10.0-14.0 | ≤0.1 | 2.0-3.0 | |
316L | ≤0.03 | ≤0.75 | ≤2.0 | ≤0.045 | ≤0.03 | 2.0-3.0 | 10.0-14.0 | ≤0.1 | 2.0-3.0 | |
316Ti | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.03 | 16.0-19.0 | 10.0-14.0 | ≥0.2-0.7 | 1.8-2.5 | |
321 | ≤0.08 | ≤0.75 | ≤2.00 | ≤0.045 | ≤0.03 | 17.00-19.00 | 9.00-12.00 | ≤0.10 | ≤0.70 |
Product specification
Name | Stainless Steel Round Pipe/Tube |
Standard | ASTM, AISI,GB, JIS, DIN, EN, etc |
Outer diameter | 6mm,50mm,100mm, 300mm,1000mm or as request |
Thickness | 0.5mm,1mm,5mm,50mm,100mm or as request |
Length | 5.8m, 6m, 12m or as request |
Surface | 2B,2E,BA,HL,NO.1,NO.4, 6K, 8K,embossed,mirror,polished |
Technique | Cold rolled, hot rolled |
Processing | Bending, welding, stamping, punching, cutting etc |
Our Advantages
1.Extensive production experience: We are specialized in special steel,nickel alloy,duplex stainless steel with much experience of 15 years.
2.Complete production facilities: We have 2000 square meters of storage and processing center which covers equipment using in slitting, cutting in horizontal, laser cutting , plasma and grinding machine and embossing machine. Our technicians will do regular scheduled maintenance on these machines to guarantee their work.
3.High quality raw material: We mainly choose raw material from big steel factories, such as TISCO, BAO STEEL, SHA STEEL, which are the best and largest raw material manufacturer in China.
4.Strict Physical/Chemical testing procedures: We meet the requirements of the product design and process and provide reliable testing data.
5.Short Delivery time: One container takes 15-20 days. We also stock some standard-sized tubes and rods, and if you need 3-5 pcs, we can delivery soon.
6.Safe packing: The goods are packed with seaworthy package or in wooden case.
7.Best after-sale service: Over 60% products are sold to the Southeast Asia, Middle East and Europe, and all products are trusted by domestic and foreign customers.


FAQ
Q1:Can the goods be customized as our need, such as printing our logo?
A1:Surely they can be customized as your need, and printing your logo is also available.
Q2: Do you have any protection when packing?
A2: Sure. The goods will be covered with PE film,wrapped with waterproof paper, packed with wooden plate,belted by steel strip and fastened on pallet.
Q3: Are you a factory?
A3: Yes. We are a factory which is set up more than 20 years, exports more than 15 years and is also a manufacturer on alibaba.
Q4: How about the after-service?
A4: Free of charge for one year's warranty, and if there are any problems, our technician will go to your place to check. If necessary, we will change the goods for you.
Q5:What's your warranty terms?
A5:We offer different warranty time for different products. Please contact with us for detailed warranty terms.
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