Seamless Round Steel Pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 1000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Alloy Seamless Steel Pipe
1)OD:8-450mm
2)Thickness:1-60mm
3)MOQ: 25 tons
4)Material:A213 A335 A199, etc.
Alloy Seamless Steel Usage
Widly used in the general structure, mechanical structure with seamless steel tubes
Alloy Seamless Steel Pipe Grade
ASTM A519 1010-1045, 4130-4142, 5135
JIS G3441 SCM 415 TK, SCM 418 TK, SCM 420 TK, SCM 430 TK, SCM 435 TK, SCM 440 TK
JIS G3444 STKM 11A, STKM 12, STKM 13, STKM 14, STKM 15, STKM 16, STKM 17, STKM 18
STKM 19, STKM 20
BS 6323 CFS 3, CFS 3Aa, CFS 4, CFS 5b, CFS 6, CFS 7, CFS 8d, CFS 9, CFS 10, CFS 11
Alloy Seamless Steel Pipe Size
Outer Diameter Hot finish 2" - 30", Cold drawn 0.875" - 18"
Wall Thickness Hot finish 0.250" – 4.00", Cold drawn 0.035" – 0.875"
Length Random Length, Fixed Length, SRL, DRL
Alloy Seamless Steel Pipe Heat treatment
Annealed, Full Annealed, Bright annealed, , Spheroidize annealed
Normalized, Stress relieved, Cold finished, Quenched and Tempered
Alloy Seamless Steel Pipe Packing
Plastic plugs in both ends, Hexagonal bundles of max 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips
Alloy Seamless Steel Pipe Test
Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield
strength, Elongation), Technical Properties (Flattening Test, Flaring Test, Bending Test, Hardness Test, Blow Test, Impact Test etc), Exterior Size Inspection Mill Test Certificate EN 10204/31B
Alloy Seamless Steel Pipe Image
FAQ of Seamless Pipe
①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard. If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.
②How about price?
Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity.Please trust the quotation we would give you, it is professional one.
③Why should you chose us?
Chose happens because of quality, then price, We can give you both.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 is the role of steel pipes in the construction of bridges?
- The role of steel pipes in the construction of bridges is primarily to provide structural support and stability. Steel pipes are commonly used in bridge construction to form the framework and support the weight of the bridge deck and other components. They are also used to carry various utilities such as water, gas, and electricity across the bridge. Additionally, steel pipes are durable, resistant to corrosion, and have high strength-to-weight ratio, making them an ideal choice for constructing bridges that can withstand heavy loads and harsh environmental conditions.
- Q:What are the factors affecting the cost of steel pipes?
- There are several factors that can affect the cost of steel pipes. Some of the main factors include the price of raw materials, such as iron ore and coal, which are used in the steel manufacturing process. Additionally, the cost of labor, transportation, and energy can also impact the overall cost of steel pipes. Market demand and competition within the industry can also influence prices. Finally, factors such as government regulations, trade policies, and currency exchange rates can also play a role in determining the cost of steel pipes.
- Q:What are the different international standards for steel pipes?
- There are several international standards for steel pipes that are widely recognized and used in the industry. Some of the key standards include: 1. ASTM A53: This standard covers seamless and welded black and hot-dipped galvanized steel pipes. It is commonly used for low-pressure applications such as water, gas, and steam. 2. ASTM A106: This standard covers seamless carbon steel pipes for high-temperature service. It is widely used in refineries, power plants, and petrochemical industries where high pressure and temperature conditions exist. 3. ASTM A312: This standard covers seamless, welded, and heavily cold worked austenitic stainless steel pipes. It is often used for high-temperature and corrosive environments in industries such as chemical processing, food processing, and pharmaceuticals. 4. API 5L: This standard specifies requirements for the manufacture of two product specification levels (PSL1 and PSL2) of seamless and welded steel pipes for use in pipeline transportation systems in the petroleum and natural gas industries. 5. EN 10216: This European standard covers seamless steel pipes for pressure purposes. It is used in various industries such as power generation, chemical, and oil and gas. 6. JIS G3454: This Japanese standard covers carbon steel pipes for pressure service. It is commonly used in the transportation of water, gas, and oil. 7. DIN 2448: This German standard specifies seamless steel pipes for general purposes. It is widely used in various industrial applications. These are just a few examples of the many international standards that exist for steel pipes. Each standard specifies different requirements for manufacturing, dimensions, mechanical properties, and testing to ensure the quality and performance of the pipes in specific applications. It is important for manufacturers, suppliers, and users to understand and comply with the relevant standards to ensure the safe and reliable use of steel pipes.
- Q:How are steel pipes used in the construction industry?
- Steel pipes are commonly used in the construction industry for various purposes such as transporting fluids, structural support, and underground installations. They are utilized in plumbing systems, HVAC systems, and for conveying water, oil, and gas. Additionally, steel pipes are employed in the construction of high-rise buildings, bridges, and other infrastructure projects due to their durability, strength, and resistance to corrosion.
- Q:What is the fatigue strength of steel pipes?
- The ability of steel pipes to withstand repeated cyclic loading without failing is referred to as their fatigue strength. This characteristic is of utmost importance for pipes that experience dynamic or fluctuating loads, such as those used in the oil and gas industry, transportation infrastructure, or industrial applications. Several factors can affect the fatigue strength of steel pipes, including the grade of steel, dimensions of the pipe, manufacturing process, surface conditions, and environmental factors. Generally, steel pipes with higher tensile strength and toughness exhibit better resistance to fatigue. Fatigue strength is typically determined by subjecting the pipes to cyclic loading until failure occurs, through a process known as fatigue testing. The results of these tests are then used to establish a fatigue curve or S-N curve, which illustrates the relationship between the applied stress amplitude and the number of cycles required for failure. To quantify the fatigue strength, it is common to express it as the stress amplitude required to cause failure after a specific number of cycles, such as the stress amplitude at 10 million cycles (S-N10^7). However, it is important to consider other factors such as mean stress, surface finish, and loading frequency, which can also influence fatigue strength and may require consideration in specific applications. Ultimately, the fatigue strength of steel pipes is a crucial factor in engineering design and maintenance, as it ensures the long-term integrity and reliability of the pipes under cyclic loading conditions.
- Q:How are steel pipes used in the oil and gas pipeline transportation?
- Steel pipes are used in oil and gas pipeline transportation due to their durability, strength, and resistance to corrosion. They are used to transport crude oil, natural gas, and other petroleum products over long distances. Steel pipes ensure the safe and efficient transfer of these resources from production sites to refineries and distribution centers, ensuring a reliable supply of energy for industries and consumers.
- Q:Can steel pipes be used for petrochemical plants?
- Yes, steel pipes can be used for petrochemical plants. Steel pipes are commonly used in petrochemical plants due to their high strength, durability, and resistance to corrosion. They can handle high-pressure and high-temperature applications, making them suitable for transporting various chemicals and gases in petrochemical processes.
- Q:How are steel pipes used in the power generation sector?
- Steel pipes are commonly used in the power generation sector for various applications such as transporting steam, water, and other fluids within power plants. They are used for conveying fuel and combustion gases, as well as for cooling systems and turbine installations. Additionally, steel pipes are utilized in power plant construction for structural support and as part of the overall infrastructure.
- Q:How do you calculate the flow rate through a steel pipe?
- To calculate the flow rate through a steel pipe, you need to consider several factors. The most important ones are the diameter of the pipe, the pressure difference across the pipe, and the properties of the fluid flowing through it. Firstly, measure the inside diameter of the steel pipe accurately. This measurement is essential as it determines the cross-sectional area through which the fluid flows. The units for the diameter should be consistent with the units used for other measurements. Next, determine the pressure difference across the pipe. This can be done by measuring the pressure at two points along the pipe, typically at the inlet and outlet. The pressure measurements should be taken at the same height to avoid any discrepancies. The pressure difference is usually given in units of pressure (such as psi, kPa, or bar). Once you have the diameter and pressure difference, you can use the Bernoulli equation or the Darcy-Weisbach equation to calculate the flow rate. The Bernoulli equation relates the pressure difference to the velocity of the fluid. However, this equation assumes ideal conditions, neglecting factors such as friction losses, viscosity, and turbulence. The Darcy-Weisbach equation is more accurate and considers these factors. To use the Darcy-Weisbach equation, you need to know the properties of the fluid flowing through the pipe, such as its density and viscosity. These properties can be determined either through experimentation or by referring to literature values. Once you have all the necessary information, you can use the Darcy-Weisbach equation: Q = (π/4) * D^2 * √[(2 * ΔP) / (ρ * f * L)] Where: Q is the flow rate (in cubic meters per second or any other consistent units) D is the diameter of the pipe (in meters or any other consistent units) ΔP is the pressure difference across the pipe (in Pascals or any other consistent units) ρ is the density of the fluid flowing through the pipe (in kilograms per cubic meter or any other consistent units) f is the friction factor, which depends on the Reynolds number and the roughness of the pipe. L is the length of the pipe (in meters or any other consistent units) By plugging in the values for all the variables, you can calculate the flow rate through the steel pipe accurately.
- Q:What is the buckling type thin-wall steel pipe? What is a tight set of thin-walled steel tubes? What's the difference between the two?
- The thread of the tightening (JDG) joint is unified with an outer thread, a wall thickness of 1.5mm, and a button (KBG). The thread of the joint is an internal thread, and the wall thickness is 1.0mm. Withholding type joint for the use of the same company and pipe connection to matching products with complete connection clamp buckle. Fastening and pressing type correctly connected and locked after no need to do a cross ground.
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Seamless Round Steel Pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 1000 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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