Stainless steel Seamless Pipe/tube
PuXin
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Product Description
Common specifications of seamless pipes
| Nominal Diameter (DN) | External Diameter(D) | Nominal Wall Thickness | |||||||||||||||
| Series A | Series B | Sch 5s | Sch 10s | Sch 20s | LG | Sch 20 | Sch 30 | STD | Sch 40 | Sch 60 | xs | Sch 80 | Sch 100 | Sch 120 | Sch 140 | Sch 180 | |
| 15 | 21.3 | 18 | 1.6 | 2.1 | 2.6 | 2.9 | 3.6 | 4.5 | |||||||||
| 20 | 26.9 | 25 | 1.6 | 2.1 | 2.6 | 2.9 | 4.0 | 5.6 | |||||||||
| 25 | 33.7 | 32 | 1.6 | 2.8 | 3.2 | 3.2 | 4.5 | 6.3 | |||||||||
| 32 | 42.4 | 38 | 1.6 | 2.8 | 3.2 | 3.6 | 5.0 | 6.3 | |||||||||
| 40 | 48.3 | 45 | 1.6 | 2.8 | 3.2 | 3.6 | 5.0 | 7.1 | |||||||||
| 50 | 60.3 | 57 | 1.6 | 2.8 | 3.6 | 3.2 | 4.0 | 5.6 | 8.8 | ||||||||
| 65 | 76.1 | 76 | 2.0 | 3.0 | 3.6 | 4.5 | 5.0 | 7.1 | 10.0 | ||||||||
| 80 | 88.9 | 89 | 2.0 | 3.0 | 4.0 | 4.5 | 5.6 | 8.0 | 11.0 | ||||||||
| 90 | 101.6 | 2.0 | 3.0 | 4.0 | 4.5 | 5.6 | 8.0 | 12.5 | |||||||||
Seamless steel pipe introduction
Seamless steel pipes are made of a whole round steel perforated. Steel pipes with no welds on the surface are called seamless steel pipes. According to the production method, seamless steel pipes can be divided into hot-rolled seamless steel pipes, cold-rolled seamless steel pipes, cold-drawn seamless steel pipes, extruded seamless steel pipes, jacked pipes, etc. According to the cross-sectional shape, seamless steel pipes are divided into two types: round and special-shaped. Special-shaped pipes have various complex shapes such as square, oval, triangle, hexagon, melon-shaped, star-shaped, and finned pipes. The maximum diameter is 900mm and the minimum diameter is 4mm. According to different uses, there are thick-walled seamless steel pipes and thin-walled seamless steel pipes. Seamless steel pipes are mainly used as petroleum geological drilling pipes, cracking pipes for petrochemical industry, boiler pipes, bearing pipes, and high-precision structural steel pipes for automobiles, tractors, and aviation.
Seamless steel pipe uses
(1) General-purpose seamless steel pipes are rolled from ordinary carbon structural steel, low alloy structural steel or alloy structural steel. They have the largest output and are mainly used as pipes or structural parts for transporting fluids.
(2) Available in three categories according to different uses.
(3) Supplied according to chemical composition and mechanical properties.
(4) Supplied according to mechanical properties.
(5) Supplied according to hydraulic pressure test. If the steel pipes supplied according to categories a and b are used to withstand liquid pressure, they must also undergo a hydrostatic test.
3. Special-purpose seamless pipes include seamless pipes for boilers, chemical and electric power, geological seamless pipes, and petroleum seamless pipes.
Seamless steel pipes have hollow sections and are widely used as pipelines for transporting fluids, such as pipelines for transporting oil, natural gas, coal gas, water and certain solid materials. Compared with solid steel materials such as round steel, steel pipes are lighter in weight when the bending and torsional strength is the same, and they are an economical cross-section steel material.
It is widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipes, automobile transmission shafts, bicycle frames, and steel scaffolding used in construction. The use of steel pipes to make ring parts can improve material utilization, simplify the manufacturing process, and save materials and processing. Steel pipes have been widely used for manufacturing.
If you are interested in this product, you can also take a look at our other products, our company also produces a variety of stainless steel products, such as stainless steel sheet, stainless steel coil and so on.
FAQ
Q: Are you a manufacturer?
A: Yes , PuXin is a metal manufacturer, We have own factory, which is located in GUANGDONG,CHINA. We have a leading power in producing and exporting steel pipe,galvanized steel pipe,hollow section,galvanized hollow section, etc. We promise that we are what you are looking for.
Q:Can we visit your factory ?
A:Warmly welcome once we have your schedule we will pick you up .
Q: Do you have quality control?
A: Yes, we have gained BV, SGS authentication.
Q: Can you arrange the shipment?
A: Sure, we have permanent freight forwarder who can gain the best price from most ship company and offer professional service.
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 25-45 days if the goods are not in stock, it is according to quantity.
Q:How can we get the offer?
A: Please offer the specification of the product,such as material,size,shape,etc.So we can give the best offer.
Q:Can we get the some samples? Any charges?
A: Yes , we could offer the sample for free charge but do not pay the cost of freight . If you place the order after confirm the sample , we will refund your express freight or deduct it from the order amount.
Q: How do you make our business long-term and good relationship?
A: 1.We keep good quality and competitive price to ensure our customers' benefit.
