Stainless Steel Welded Pipe ASTM A312/A358
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- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 35 m.t.
- Supply Capability:
- 10000 m.t./month
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1、Structure of Stainless Steel Welded Pipe ASTM A358/A312/A316 Description：
Stainless steel welded pipe is actually a cover term, covering a wide range of alloy and making them suitable for different attributes that are used in a very wide and large numbers of different industries. Stainless steel pipe is resistant to erosion, highly flexible, powerful, easy to use, and can be done in distinct approaches, which means that more and more stainless steel was used as a construction material for large-scale, high impact buildings.
2、Main Features of the Stainless Steel Welded Pipe ASTM A358/A312/A316：
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
•Reasonable price
3、Stainless Steel Welded Pipe ASTM A358/A312/A316 Images：
4、Stainless Steel Welded Pipe ASTM A358/A312/A778 Specification：
Size：
| Outside diameter | Outside | Thickness | ||||
| SCH 5S | SCH 10S | SCH 20S | SCH 40S | |||
| (A) | (B) | mm | mm | mm | mm | mm |
| 350 | 14′ | 355.6 | 3.96 | 4.78 | 7.92 | 11.13 |
| 400 | 16′ | 406.4 | 4.19 | 4.78 | 7.92 | 12.7 |
| 450 | 18′ | 457.2 | 4.19 | 4.78 | 7.92 | 14.27 |
| 500 | 20′ | 508 | 4.78 | 5.54 | 9.53 | 15.09 |
| 550 | 22′ | 558.8 | 4.78 | 5.54 | 9.53 | 15.09 |
| 600 | 24′ | 609.6 | 5.54 | 6.35 | 9.53 | 17.48 |
| 650 | 26′ | 660.4 | 5.54 | 7.92 | 12.7 | 17.48 |
| 700 | 28′ | 711.2 | 5.54 | 7.92 | 12.7 | 17.48 |
| 750 | 30′ | 762 | 6.35 | 7.92 | 12.7 | 17.48 |
| 800 | 32′ | 812.8 | 7.9 | 12.7 | 17.48 | |
| 850 | 34 | 863.6 | 7.92 | 12.7 | 17.48 | |
| 900 | 36′ | 914.4 | 7.92 | 12.7 | 19.05 | |
| 1000 | 40′ | 1016 | 9.53 | |||
Tolerances on dimensions table：
| Standard | Outside(mm) | Thickness(mm) | Length(mm) | |
| ASTM A312 | ≤48.26 | -0.4 | +No special provisions(Unspecified)-12.50% | Appoint LengthDefinite cut length+6.40 |
| ＞48.26~114.30 | 0 | 0 | ||
| ＞114.30~219.08 | 0.8 | |||
| ＞219.08~457.20 | 1.6 | |||
| ＞457~660 | -4 | |||
| ＞660~864 | -5 | |||
| ＞864~1219 | -5.6 | |||
| JIS G3459 | ＜30.00 ±0.30≥30.00 ±1.00% | ＜2.00 ±0.20≥2.00 ±10% | Appoint LengthDefinite cut Length | |
| GB/T 12771 | ＜13.00 ±0.2013.00~40.00 ±0.30≥40.00 ±0.80% | ≤4.00 +0.50 -0.60＞4.00 ±10% | 20 | |
| EN 10217-7 | D1±1.50% with±0.75mm(min)D2±1.00% with±0.50mm(min)D3±0.75% with±0.30mm(min) | T1±15.00% with±0.60mm(min)T2±12.5% with±0.40mm(min)T3±10.00% with±0.20mm(min) | ≤6000 +5.00 -06000~12000 +10.00 -0 | |
| D4±0.5% with±0.10mm(min) | T4±7.50% with±0.15mm(min) | |||
| T5±5.00% with±0.10mm(min) | ||||
| EN ISO 1127 | ||||
5、FAQ of Stainless Steel Welded Pipe ASTM A358/A312/A778：
①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard, and we take a test on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.
②Why should you chose us?
Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.
Any question, pls feel free to contact us !
- Q:What are the different grades of steel used for manufacturing pipes?
- The different grades of steel used for manufacturing pipes vary depending on their intended applications. Some common grades include carbon steel, stainless steel, and alloy steel. Carbon steel is commonly used for general-purpose piping due to its affordability and strength. Stainless steel is preferred for corrosive environments or high-temperature applications due to its resistance to corrosion. Alloy steel, on the other hand, offers improved strength and durability and is often used for specialized applications such as oil and gas pipelines.
- Q:How do steel pipes resist corrosion?
- Steel pipes resist corrosion through a process called passivation, where a protective layer of chromium oxide forms on the surface of the steel, preventing direct contact with corrosive elements and slowing down the oxidation process. Additionally, steel pipes can be coated with protective layers such as zinc or epoxy to provide an extra barrier against corrosion.
- Q:Can steel pipes be used for conveying hydraulic fluids?
- Yes, steel pipes can be used for conveying hydraulic fluids. Steel pipes are commonly used in hydraulic systems due to their high strength, durability, and resistance to high-pressure environments. They can effectively transport hydraulic fluids without leakage or significant loss in pressure.
- Q:How to distinguish between steel pipe and spiral pipe material?
- Steel pipe according to the pipe material (ie steel) can be divided into: carbon tube and alloy tube, stainless steel tube.Carbon tube can be divided into ordinary carbon steel tube and high quality carbon structure tube.
- Q:What are the applications of steel pipes?
- Steel pipes are widely used in various industries and applications due to their exceptional strength, durability, and versatility. Some common applications of steel pipes include transportation of fluids and gases in oil and gas industry, water supply and drainage systems, structural support in construction projects, plumbing and heating systems, manufacturing of automobiles and machinery, and in the agricultural sector for irrigation and irrigation systems. Additionally, steel pipes are also used in the energy and power generation sector, chemical processing plants, and for underground and underwater installations.
- Q:What are the factors that affect the price of steel pipes?
- There are several factors that can affect the price of steel pipes. Some of the key factors include the cost of raw materials such as iron ore and steel scrap, market demand and supply dynamics, production and transportation costs, tariffs and trade policies, currency exchange rates, and overall economic conditions. Additionally, factors like technological advancements, environmental regulations, and changes in industry standards can also impact the pricing of steel pipes.
- Q:How to distinguish seamless pipe and welded pipe?
- If there is a weld seam in the fracture surface, whether it is inside or outside the pipe, then it is the welded pipe
- Q:How do you measure the thickness of a steel pipe?
- To measure the thickness of a steel pipe, you can use various methods depending on the precision required and the tools available. Here are three common approaches: 1. Calipers or Vernier Calipers: Calipers are a simple and widely used tool for measuring thickness. Open the calipers and place the jaws on either side of the pipe, ensuring they are perpendicular to the surface. Close the jaws until they lightly touch the pipe, then read the measurement on the caliper scale. 2. Ultrasonic Thickness Gauge: This method offers more accurate results and is often used in industrial settings. An ultrasonic thickness gauge emits high-frequency sound waves that penetrate the steel pipe. By measuring the time it takes for the sound waves to bounce back, the gauge calculates the thickness of the pipe. Ensure the pipe surface is clean and smooth before taking the measurement. 3. Magnetic Thickness Gauge: This method is specifically designed for measuring the thickness of ferrous materials like steel. The gauge contains a small magnet that adheres to the pipe surface. By applying a magnetic field, the gauge measures the distance between the magnet and the base plate. This distance corresponds to the thickness of the steel pipe. It's important to note that each method has its own accuracy limitations, and the choice of measurement technique should be based on the desired precision, availability of tools, and the specific requirements of the application.
- Q:What is the difference between hot-dip galvanizing and electroplating of steel pipes?
- Steel pipes can be protected from corrosion using two different methods: hot-dip galvanizing and electroplating. To protect steel pipes using hot-dip galvanizing, they are immersed in a molten bath of zinc. The zinc reacts with the steel to create a strong and uniform coating that effectively prevents corrosion. This method is commonly used for outdoor applications and in harsh environments where the pipes are exposed to water or chemicals. In contrast, electroplating involves depositing a thin layer of metal, usually zinc, onto the surface of the steel pipes using an electric current. The steel pipes act as the cathode, and a zinc anode is placed in a solution containing zinc ions. The electric current causes the zinc ions to react with the steel and form a thin coating. Electroplating is often chosen for indoor applications or when aesthetics are a priority. Hot-dip galvanizing generally provides a thicker and more durable coating compared to electroplating. The hot-dip galvanized coating is several times thicker than the electroplated zinc coating, offering better corrosion protection and a longer lifespan for the pipes. The appearance of the coatings also differs. Hot-dip galvanizing results in a matte gray finish, while electroplating can give a more lustrous and shiny appearance. Cost-wise, hot-dip galvanizing is more cost-effective for larger projects because it can coat multiple pipes simultaneously. On the other hand, electroplating is usually more expensive and time-consuming, especially for larger quantities of steel pipes. Ultimately, the choice between hot-dip galvanizing and electroplating depends on the specific requirements of the project, including the intended application, environment, aesthetics, and budget constraints.
- Q:What are the safety precautions to follow when working with steel pipes?
- To guarantee the safety of yourself and those around you while working with steel pipes, it is crucial to adhere to a number of safety measures. These measures encompass the following: 1. Personal Protective Equipment (PPE): It is imperative to always wear the appropriate PPE when dealing with steel pipes. This includes safety glasses, gloves, steel-toed boots, and a hard hat. By utilizing PPE, you can shield yourself from potential hazards such as flying debris, falling objects, and sharp edges. 2. Proper Lifting Techniques: Given that steel pipes can be heavy and unwieldy, it is essential to employ proper lifting techniques to avoid strain or injury. Remember to bend your knees, maintain a straight back, and utilize your legs to lift the pipes. If a pipe is too heavy to lift on your own, seek assistance or employ mechanical lifting equipment. 3. Secure Working Area: Ensure that the work area is tidy, well-organized, and devoid of tripping hazards. Keep the floor clear of tools, debris, and other obstructions that may lead to accidents. Additionally, establish barricades or cordons to prevent unauthorized access and guarantee the safety of others. 4. Use Proper Tools and Equipment: Employ the correct tools and equipment for the task at hand. This entails utilizing wrenches, pipe cutters, and clamps specifically designed for steel pipes. The usage of inappropriate tools can result in accidents, damage to the pipes, or faulty connections. 5. Proper Storage: Store steel pipes in a secure and organized manner to prevent them from falling or rolling onto individuals. Stack the pipes in a stable position and employ racks or supports to ensure they are not at risk of toppling over. 6. Secure Connections: When connecting steel pipes, ensure that the connections are adequately secured. This entails utilizing suitable fittings, tight fasteners, and adhering to the recommended torque specifications. Loose or improperly secured connections can lead to leaks, bursts, or other failures. 7. Proper Ventilation: If working in an enclosed space, ensure there is sufficient ventilation to prevent the accumulation of harmful gases or fumes. Welding or cutting steel pipes can release hazardous gases, so it is vital to ensure proper ventilation or employ respiratory protection if necessary. 8. Fire Safety: During welding or cutting processes, steel pipes can become extremely hot. Make sure to have fire extinguishers readily available and familiarize yourself with their usage. Remove any flammable materials from the work area and exercise caution around sparks or open flames. 9. Regular Inspections: Routinely inspect steel pipes for any signs of damage, such as cracks, rust, or degradation. Replace any damaged or compromised pipes to avoid potential failures or accidents. By adhering to these safety precautions, you can mitigate the risks associated with working with steel pipes and maintain a safe working environment. Always remember that safety should be the utmost priority.
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Stainless Steel Welded Pipe ASTM A312/A358
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 35 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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