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Shanghai Abor Flow Tech Co., LtdBy certification [File Integrity]
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Area:Beijing
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Website:http://www.abor-flow.com/ http://seomaster.priusmould.com/
Suppliers of Stainless Steel Seamless Pipes offer a wide range of options to cater to varying industrial requirements. These pipes are highly sought after for their durability and corrosion resistance. Among the popular choices is the ASTM A312 TP316 Seamless Pipe, which is known for its exceptional strength and seamless finish. Another option is the SS 316 Seamless Pipe, which is widely used in industries where resistance to chemical and high-temperature environments is crucial. For applications requiring enhanced corrosion resistance, the 316L Seamless Pipe is an excellent choice. Additionally, 254 SMO Seamless Pipe is highly recommended for its superior resistance to pitting and crevice corrosion. Another notable option is the 904l Stainless Steel Seamless Pipe, which offers excellent resistance to both acidic and alkaline environments. When considering these stainless steel seamless pipes, it is important to keep in mind the price factor, as it varies depending on the specifications and quantities required.
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The elements that are usually added to Stainless steel seamless pipe for alloying purposes are niobium, titanium, nickel, nitrogen, molybdenum, copper, and others. These elements contribute to the high corrosion resistance and mechanical properties of the stainless steel seamless pipe. For example, ASTM A312 TP304 seamless pipe is highly resistant to weak corrosive media like steam, air, and water and also to chemically corrosive media including alkali, acid, and salt. This makes it an ideal choice for use in a wide range of applications.
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Stainless Steel Seamless Pipe Specifications
Pipe Specifications | ASTM A312 / ASME SA312 ASTM A213 / ASME SA213 ASTM A269 / ASME SA269 |
Pipe Standard | DIN, JIS, ASTM, EN, GB, AISI, ASME |
Pipe Thickness | 0.3mm - 50 mm |
Seamless Pipe Outer Diameter | Our range of sizes is vast, starting from a small outer diameter (OD) of 6.00 mm and going up all the way to 250 mm OD. We can accommodate sizes up to 12" NB (nominal bore). This extensive selection ensures that we can cater to a wide range of requirements. |
Pipe Schedule | SCH 10, SCH 5, SCH 80, SCH 40, SCH 160, SCH XS, SCH 80S, SCH XXS. These are different types of pipe schedules used in various industries. Each schedule represents a specific wall thickness for pipes. For instance, SCH 5 has a thinner wall compared to SCH 10, while SCH 80S and SCH XXS have thicker walls. The choice of schedule depends on the application and the required strength or pressure resistance of the pipe. It is essential to select the appropriate schedule to ensure the pipe can withstand the intended conditions and perform its intended function effectively. |
Pipe & Tube End | Plain End, Beveled End, Treaded Pipe. |
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For those needing to reference the dimensions of stainless steel seamless pipes, the ASME B36.19 is a useful source of information. This chart lays out the dimensions of various sizes of pipes, such as the outer diameter, wall thickness, and weight per unit length. By referring to this chart, engineers and manufacturers can ensure that they are using the correct dimensions for their projects, making it an essential tool in the industry.
Designation of Diameter | O/D | Nominal Wall Thickness | ||||||||
DIA | SCH.5S | SCH 10S | SCH40S | SCH 80 S | ||||||
DN | NPS | Meter | Wall | Weight Kg/Mtr | Wall | Weight Kg/Mtr | Wall | Weight Kg/Mtr | Wall | Weight Kg/Mtr |
MM | Thk | Thk | Thk | Thk | ||||||
6 | 1/8 | 10.3 | 1 | 0.23 | 1.2 | 0.27 | 1.73 | 0.37 | 2.41 | 0.47 |
8 | 1/4 | 13.7 | 1.2 | 0.37 | 1.65 | 0.49 | 2.24 | 0.64 | 3.02 | 0.82 |
10 | 3/8 | 17.2 | 1.2 | 0.47 | 1.65 | 0.63 | 2.31 | 0.87 | 3.2 | 1.12 |
15 | 1/2 | 21.3 | 1.65 | 0.01 | 2.11 | 1.02 | 2.77 | 1.29 | 3.73 | 1.64 |
20 | 3/4 | 26.7 | 1.65 | 1.03 | 2.11 | 1.3 | 2.87 | 1.71 | 3.91 | 2.93 |
25 | 1 | 33.4 | 1.65 | 1.31 | 2.77 | 2.13 | 3.38 | 2.54 | 4.55 | 3.29 |
32 | 1 1/4 | 24.2 | 1.65 | 1.67 | 2.77 | 2.73 | 3.56 | 3.44 | 4.85 | 4.53 |
40 | 1 1/2 | 48.3 | 1.65 | 1.93 | 2.77 | 3.16 | 3.68 | 4.11 | 5.08 | 5.49 |
50 | 2 | 60.3 | 1.65 | 1.93 | 2.77 | 3.99 | 3.91 | 5.52 | 5.54 | 7.6 |
65 | 2 1/2 | 73 | 2.11 | 3.75 | 3.05 | 5.34 | 5.16 | 8.77 | 7.01 | 11.59 |
80 | 3 | 88.9 | 2.11 | 4.59 | 3.05 | 6.56 | 5.49 | 11.47 | 7.62 | 15.51 |
90 | 3 1/2 | 101.6 | 2.11 | 5.25 | 3.05 | 7.53 | 5.74 | 13.78 | 8.08 | 18.92 |
100 | 4 | 114.3 | 2.11 | 5.93 | 3.05 | 8.5 | 6.02 | 6.32 | 8.56 | 22.66 |
125 | 5 | 141.3 | 2.77 | 9.61 | 3.4 | 11.74 | 6.55 | 2210 | 9.53 | 31.44 |
150 | 6 | 168.3 | 2.77 | 11.47 | 3.4 | 14.04 | 7.11 | 28.69 | 10.97 | 43.21 |
200 | 8 | 219.1 | 2.77 | 15 | 3.76 | 20.77 | 8.18 | 43.2 | 12.7 | 65.63 |
250 | 10 | 273.1 | 3.4 | 22.95 | 4.19 | 28.2 | 9.27 | 61.22 | 12.7 | 82.8 |
300 | 12 | 323.9 | 3.96 | 31.72 | 4.57 | 36.54 | 9.53 | 75.01 | 12.7 | 98.95 |
350 | 14 | 355.6 | 3.96 | 34.86 | 4.78 | 41.99 | 9.53 | 82.58 | 12.7 | 109.04 |
400 | 16 | 406.4 | 4.19 | 42.2 | 4.78 | 48.07 | 9.53 | 94.7 | 12.7 | 125.2 |
450 | 18 | 457.2 | 4.19 | 47.46 | 4.78 | 54.15 | 9.53 | 106.83 | 12.7 | 141.35 |
500 | 20 | 508 | 4.78 | 60.23 | 5.54 | 69.7 | 9.53 | 118.9 | 12.7 | 157.51 |
550 | 22 | 558.8 | 4.78 | 65.95 | 5.54 | 76.75 | 9.53 | 131.07 | 12.7 | 173.66 |
600 | 24 | 609.6 | 5.54 | 83.8 | 6.35 | 95.92 | 9.53 | 143.2 | 12.7 | 189.82 |
650 | 26 | 660.4 | Â | Â | Â | Â | 9.53 | 155.32 | 12.7 | 205.97 |
700 | 28 | 711.2 | Â | Â | Â | Â | 9.53 | 167.44 | Â | Â |
750 | 30 | 762 | 6.35 | 120.15 | 7.92 | 149.55 | 9.53 | 179.56 | Â | Â |
800 | 32 | 812.8 | Â | Â | Â | Â | 9.53 | 191.69 | Â | Â |
850 | 34 | 863.6 | Â | Â | Â | Â | 9.53 | 203.74 | Â | Â |
900 | 36 | 914.4 | Â | Â | Â | Â | 9.53 | 215.93 | Â | Â |
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SMLS Pipe Material properties
Stainless Seamless Pipe is a long steel material with a hollow section and no joints around it, which is made of a steel ingot or a solid tube billet through perforation to make a capillary tube, and then undergoes hot rolling, cold rolling or cold drawing process. Compared with other ordinary steel pipes, the stainless seamless pipe has a strong advantage in bending resistance. The tensile strength of Seamless pipe is more than 8-10 times that of ordinary steel, the elastic modulus is better than steel, and it has good creep resistance, corrosion resistance and shock resistance.
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ASTM A312 TP316 seamless pipe is mainly used to transport media, the main function is to transport fluid, Seamless is usually a large diameter pipe, stainless steel seamless pipe has a strong yield strength, and bending resistance. The stainless steel seamless pipe production standard complies with ASME B36.19. Both process piping and public engineering piping are made of seamless pipes, which are often connected with accessories such as valves, tees, and elbows. Stainless steel seamless pipe is mainly used to transport fluid medium, and a large number of pipes are used to transport fluid, such as water, gas, natural gas, oil, boilers, mechanical parts, and sewage pipes.
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Chemical Composition of Stainless Steel Seamless Pipe
Grade | UNS | C≤ | Mn | P≤ | S≤ | Si≤ | Cr | Mo | Ni | Cu |
TP304 | S30400 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | - | 8.0-11.0 | - |
TP304L | S30403 | 0.035 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | - | 8.0-13.0 | - |
TP316 | S31600 | 0.08 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 2.00-3.00 | 10.0-14.0 | - |
TP316L | S31603 | 0.035 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 2.00-3.00 | 11.0-14.0 | - |
316Ti | S31635 | 0.08 | 2 | 0.045 | 0.03 | 0.75 | 16.0-18.0 | 2.00-3.00 | 10.0-12.0 | - |
TP317 | S31700 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 3.0-4.0 | 11.0-14.0 | - |
TP317L | S31703 | 0.035 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 3.0-4.0 | 11.0-15.0 | - |
TP321 | S32100 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | - | 9.0-12.0 | - |
321H | S32109 | 0.04-0.1 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | - | 9.0-12.0 | - |
310 | S31000 | 0.25 | 2 | 0.045 | 0.03 | 1.5 | 24.0-26.0 | 0.75 | 19.0-22.0 | - |
TP310S | S31008 | 0.08 | 2 | 0.045 | 0.03 | 1 | 24.0-26.0 | 0.75 | 19.0-22.0 | - |
TP347 | S34700 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | - | 9.0-13.0 | - |
254SMO | S31254 | 0.02 | 1 | 0.03 | 0.01 | 0.8 | 19.5-20.5 | 6.0-6.5 | 17.5-18.5 | 0.5-1.0 |
AL-6XN | N08367 | 0.03 | 2 | 0.04 | 0.03 | 1 | 20.0-22.0 | 6.0-7.0 | 23.5-25.5 | 0.75 |
F904L | N08904 | 0.02 | 2 | 0.04 | 0.03 | 1 | 19.0-23.0 | 4.0-5.0 | 23.0-28.0 | 1.0-2.0 |
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Stainless Steel Seamless Pipe Mechanical Properties
Mechanical properties | Tensile, min, ksi[MPa】 | Yield, min, ksi[MPa】 | Elongation, %(min) | Hardness, HB(max) |
TP304 | 75ã€515】 | 30ã€205】 | 35 | 192 |
TP304L | 70ã€485】 | 25ã€170】 | 35 | 192 |
TP316 | 75ã€515】 | 30ã€205】 | 35 | 192 |
TP316L | 70ã€485】 | 25ã€170】 | 35 | 192 |
316Ti | 75ã€515】 | 30ã€205】 | 35 | 192 |
TP317 | 75ã€515】 | 30ã€205】 | 35 | 192 |
TP317L | 75ã€515】 | 30ã€205】 | 35 | 192 |
TP321 | 75ã€515】 | 30ã€205】 | 35 | 192 |
321H | 75ã€515】 | 30ã€205】 | 35 | 192 |
TP310 | 75ã€515】 | 30ã€205】 | 35 | 192 |
TP310S | 75ã€515】 | 30ã€205】 | 35 | 192 |
TP347 | 75ã€515】 | 30ã€205】 | 35 | 192 |
S31254 | 98ã€675】 | 43ã€310】 | 35 | 220 |
N08367 | 100ã€690】 | 45ã€310】 | 30 | 241 |
N08926 | 94ã€650】 | 43ã€295】 | 35 | 256 |
N08904 | 71ã€490】 | 31ã€215】 | 35 | 192 |
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Stainless Steel Seamless Pipe Hot Rolling Production Process
Stainless steel seamless pipe hot rolling production process: tube billet→heating→piercing→three-roll cross rolling, continuous rolling→pipe removal→sizing→cooling→straightening→hydraulic test→marking→warehousing.
After the tube blank is out of the furnace, it must be pierced by a piercing machine. Generally, the more common piercing machine is the tapered roller steel pipe piercing machine. This kind of piercing machine has high production efficiency, good product quality, large perforation diameter expansion, and can wear a variety of steel types. After piercing, the tube blank is successively cross-rolled and continuously rolled by three rolls. After extrusion, the tube should be taken off for sizing. The sizing machine uses a conical drill to rotate at high speed into the steel blank to punch holes to form a steel pipe (the inner diameter of the steel pipe is determined by the length of the outer diameter of the sizing machine drill).
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After the steel pipe is sized, it enters the cooling tower and is cooled by spraying water. After the steel pipe is cooled, it will be straightened. After the steel pipe is straightened, it is sent to the metal flaw detector by the conveyor belt for internal flaw detection. If there are cracks, bubbles, and other problems inside the steel pipe, it will be detected.Â
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