Seamless Round Stainless Steel Tubes Pipes 304 316 2mm
Product Description
Overview:
The 304 stainless steel welded pipe for decoration is welded because of the pipe process, but the seamless steel pipe is not welded like its name. Good quality decorative stainless steel welded pipe, weld all do nitrogen internal protection.
Under normal circumstances, there are certain differences in the chemical composition of general 304 stitched stainless steel pipes and seamless stainless steel pipes. The composition of steel for the production of seamless stainless steel pipes only meets the basic requirements of astm. For the production of welded stainless steel pipes, the steel contains chemical components suitable for welding, such as silicon, sulfur, manganese, oxygen and ferrite and other elements in a certain proportion of the mixture can produce a welding flux that is easy to transfer heat during the welding process, so that the entire weld is welded through. And seamless stainless steel pipe, due to the lack of the above elements, in the welding process will produce a variety of unstable factors, not easy to weld and welding opaque.
Stainless Steel Seamless Pipe Chemical Component:
| Chemical Composition about stainless steel pipe | |||||||
| Grade | C ≤ | Si ≤ | Mn ≤ | P ≤ | S ≤ | Ni ≤ | Cr ≤ |
| 201 | 0.12 | 0.75 | 7.00 | 0.045 | 0.045 | 1.00-1.28 | 13.70-15.70 |
| 202 | 0.15 | 1 | 2.25 | 0.045 | 0.045 | 4.07-4.17 | 14.00-16.00 |
| 304 | 0.08 | 0.75 | 2 | 0.045 | 0.03 | 8.00-11.00 | 18.00-20.00 |
| 304L | 0.035 | 0.75 | 2 | 0.045 | 0.03 | 8.00-13.00 | 18.00-20.00 |
| 309 | 0.15 | 0.75 | 2 | 0.045 | 0.03 | 12.00-15.00 | 22.00-24.00 |
| 310S | 0.08 | 1.5 | 2 | 0.045 | 0.03 | 19.00-22.00 | 24.00-26.00 |
| 316 | 0.08 | 1 | 2 | 0.045 | 0.03 | 10.00-14.00 | 16.00-18.00 |
| 316L | 0.035 | 0.75 | 2 | 0.045 | 0.03 | 10.00-15.00 | 16.00-18.00 |
| 321 | 0.04-0.10 | 0.75 | 2 | 0.045 | 0.03 | 9.00-13.00 | 17.00-20.00 |
Size table:
| WALL THCKNESS FOR STAINLESS STEEL PIPE &T UBE (ASME B36.10 & B36.19) | |||||||||||||||
| DNmm | DNin | φmm | SCH5S | SCH10S | SCH40S | STD | Sch40 | Sch60 | Sch80s | XS | Sch80 | Sch120 | Sch140 | Sch160 | XXS |
| 6 | 1/8 | 10.3 | 1.24 | 1.73 | 1.73 | 1.73 | 2.41 | 2.41 | 2.41 | ||||||
| 8 | 1/4 | 13.7 | 1.65 | 2.24 | 2.24 | 2.24 | 3.02 | 3.02 | 3.02 | ||||||
| 10 | 3/8 | 17.1 | 1.65 | 2.31 | 2.31 | 2.31 | 3.2 | 3.2 | 3.2 | ||||||
| 15 | 1/2 | 21.3 | 1.65 | 2.11 | 2.77 | 2.77 | 2.77 | 3.73 | 3.73 | 3.73 | 4.78 | 7.47 | |||
| 20 | 3/4 | 26.7 | 1.65 | 2.11 | 2.87 | 2.87 | 2.87 | 3.91 | 3.91 | 3.91 | 5.56 | 7.82 | |||
| 25 | 1 | 33.4 | 1.65 | 2.77 | 3.38 | 3.38 | 3.38 | 4.55 | 4.55 | 4.55 | 6.35 | 9.09 | |||
| 32 | 1 1/4 | 42.2 | 1.65 | 2.77 | 3.56 | 3.56 | 3.56 | 4.85 | 4.85 | 4.85 | 6.35 | 9.7 | |||
| 40 | 1 1/2 | 48.3 | 1.65 | 2.77 | 3.68 | 3.68 | 3.68 | 5.08 | 5.08 | 5.08 | 7.14 | 10.15 | |||
| 50 | 2 | 60.3 | 1.65 | 2.77 | 3.91 | 3.91 | 3.91 | 5.54 | 5.54 | 5.54 | 8.74 | 11.07 | |||
| 65 | 2 1/2 | 76 | 2.11 | 3.05 | 5.16 | 5.16 | 5.16 | 7.01 | 7.01 | 7.01 | 9.53 | 14.02 | |||
| 80 | 3 | 88.9 | 2.11 | 3.05 | 5.49 | 5.49 | 5.49 | 7.62 | 7.62 | 7.62 | 11.13 | 15.24 | |||
| 90 | 3 1/2 | 101.6 | 2.11 | 3.05 | 5.74 | 5.74 | 5.74 | 8.08 | 8.08 | 8.08 | |||||
| 100 | 4 | 114.3 | 2.11 | 3.05 | 6.02 | 6.02 | 6.02 | 8.56 | 8.56 | 8.56 | 11.13 | 13.49 | 17.12 | ||
| 125 | 5 | 141.3 | 2.77 | 3.4 | 6.55 | 6.55 | 6.55 | 9.53 | 9.53 | 9.53 | 12.7 | 15.88 | 19.05 | ||
| 150 | 6 | 168.3 | 2.77 | 3.4 | 7.11 | 7.11 | 7.11 | 10.97 | 10.97 | 10.97 | 14.27 | 18.26 | 21.95 | ||
| 200 | 8 | 219.1 | 2.77 | 3.76 | 8.18 | 8.18 | 8.18 | 10.31 | 12.7 | 12.7 | 12.7 | 18.26 | 20.62 | 23.01 | 22.23 |
| 250 | 10 | 273 | 3.4 | 4.19 | 9.27 | 9.27 | 9.27 | 12.7 | 12.7 | 12.7 | 15.09 | 21.44 | 25.4 | 28.58 | 25.4 |
| 300 | 12 | 323.8 | 3.96 | 4.57 | 9.53 | 9.53 | 10.31 | 14.27 | 12.7 | 12.7 | 17.48 | 25.4 | 28.58 | 33.32 | 25.4 |
| 350 | 14 | 355.6 | 3.96 | 4.78 | 9.53 | 11.13 | 15.09 | 12.7 | 19.05 | 27.79 | 31.75 | 35.71 | |||
| 400 | 16 | 406.4 | 4.19 | 4.78 | 9.53 | 12.7 | 16.66 | 12.7 | 21.44 | 30.96 | 36.53 | 40.49 | |||
| 450 | 18 | 457 | 4.19 | 4.78 | 9.53 | 14.27 | 19.05 | 12.7 | 23.83 | 34.93 | 39.67 | 45.24 | |||
| 500 | 20 | 508 | 4.78 | 5.54 | 9.53 | 15.09 | 20.62 | 12.7 | 26.19 | 38.1 | 44.45 | 50.01 | |||
| 550 | 22 | 559 | 4.78 | 5.54 | 9.53 | 22.23 | 12.7 | 28.58 | 41.28 | 47.63 | 53.98 | ||||
| 600 | 24 | 610 | 5.54 | 6.35 | 9.53 | 17.48 | 24.61 | 12.7 | 30.96 | 46.02 | 52.37 | 59.54 | |||
| 650 | 26 | 660 | 9.53 | 12.7 | |||||||||||
| 700 | 28 | 711 | 9.53 | 12.7 | |||||||||||
| 750 | 30 | 762 | 6.35 | 7.92 | 9.53 | 12.7 | |||||||||
| 800 | 32 | 813 | 9.53 | 17.48 | 12.7 | ||||||||||
| 850 | 34 | 864 | 9.53 | 17.48 | 12.7 | ||||||||||
| 900 | 36 | 914 | 9.53 | 19.05 | 12.7 | ||||||||||
| 950 | 38 | 965 | 9.53 | 12.7 | |||||||||||
| 1000 | 40 | 1016 | 9.53 | 12.7 | |||||||||||
| 1050 | 42 | 1067 | 9.53 | 12.7 | |||||||||||
| 1100 | 44 | 1118 | 9.53 | 12.7 | |||||||||||
| 1150 | 46 | 1168 | 9.53 | 12.7 | |||||||||||
| 1200 | 48 | 1219 | 9.53 | 12.7 | |||||||||||
FAQ:
Q: Are you a manufacturer or merely a trader?
A: We are group of companies and owned manufacturer bases and trading company. We specialized in special steel which include alloy structural steel and carbon steel and stainless steel, etc. All material are with high quality and competitive price.
Q: How do you guarantee the quality of your product?
A: Firstly, we can provide the certificates from the third party, such as TUV, CE, if you need. Secondly, we have a complete set of inspection system and every process is checked by QC. Quality is the lifeline of enterprise survival.
Q: Delivery time?
A: We have ready stock for most of material grades in our warehouse. If the material don't have stock, the delivery lead time is about 5-30 days after receiving your prepayment or firm order.
Q: What is the payment term?
A: T/T or L/C.
Q: Can you provide a sample for our testing before confirm the order?
A: Yes. We can provide sample to you for approval before you place an order to us. Free sample is available if we have stock.
Q: Can we visit your company and factory?
A: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come.
Get in Touch
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