Cushion Lap Tray Hot Selling
- Ref Price:
-
$2.00 - 3.00
/ pc
- Loading Port:
- Shenzhen
- Payment Terms:
- L/C,T/T
- Min Order Qty:
- 1000 Sets pc
- Supply Capability:
- 600,000 Set/Sets per Month pc/month
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Specifications
1.ASTM A106/A53 GR.B
2.Outer diameter:10.3-194.4mm
3.Wall thickness:6.5-59mm
4.Cer:ISO9001:2008,API
Seamless steel pipe
(1) Standard: GB8163, ASTM A106/A53/API 5L
(2) Material: 10#, 20#, 16Mn, A106Gr.A/B/C,
(3)Specification: O.D: 21.3mm-711.2 mm
(4) W.T: 2.11mm-59.54mm
Technical Parameters of Seamless Steel Pipe
A53: Chemical components and mechanical property
Stan- dard | Trade mark | Chemical components | Mechanical property | ||||||||||
| C | Si | Mn | P,S | Cu | Ni | Mo | Cr | V | Tensile Strength | Yield Strength | Elongation | ||
ASTM A53 | A | ≤0.25 | / | ≤0.92 | ≤0.05 | ≤0.06 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.08 | ≥330 | ≥205 | ≥29.5 |
| B | ≤0.30 | / | ≤1.2 | ≤0.05 | ≤0.06 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.08 | ≥415 | ≥240 | ≥29.5 | |
A106: Chemical components and mechanical property
| Stan-dard | Trade mark | Chemical components | Mechanical property | ||||||||||
| C | Si | Mn | P,S | Cu | Ni | Mo | Cr | V | Tensile Strength | Yield Strength | Elongation | ||
ASTM A106 | B | ≤0.30 | ≥0.10 | 0.29-1.06 | ≤0.035 | ≤0.40 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.08 | ≥415 | ≥240 | ≥30 |
| C | ≤0.35 | ≥0.10 | 0.29-1.06 | ≤0.035 | ≤0.40 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.08 | ≥485 | ≥275 | ≥30 | |
PSL 1: Chemical components and mechanical property
| Class and Sort | Chemical components | Mechanical property | |||||||
| C(Max) | Mn(Max) | P(Max) | S(Max) | Tensile Strength(Min) | Yield Strength(Min) | ||||
| A25 | CL I | 0.21 | 0.60 | 0.030 | 0.030 | 45.000 | 310 | 25.000 | 172 |
| CL II | 0.21 | 0.60 | 0.030 | 0.030 | |||||
| A | 0.22 | 0.90 | 0.030 | 0.030 | 48.000 | 331 | 30.000 | 207 | |
| B | 0.28 | 1.20 | 0.030 | 0.030 | 60.000 | 414 | 35.000 | 241 | |
| X42 | 0.28 | 1.30 | 0.030 | 0.030 | 60.000 | 414 | 42.000 | 290 | |
| X46 | 0.28 | 1.40 | 0.030 | 0.030 | 63.000 | 434 | 46.000 | 317 | |
| X52 | 0.28 | 1.40 | 0.030 | 0.030 | 66.000 | 455 | 52.000 | 359 | |
| X56 | 0.28 | 1.40 | 0.030 | 0.030 | 71.000 | 490 | 56.000 | 386 | |
| X60 | 0.28 | 1.40 | 0.030 | 0.030 | 75.000 | 517 | 60.000 | 414 | |
| X65 | 0.28 | 1.40 | 0.030 | 0.030 | 77.000 | 531 | 65.000 | 448 | |
| X70 | 0.28 | 1.40 | 0.030 | 0.030 | 82.000 | 565 | 70.000 | 483 | |
Our catalog of Seamless steel pipe
| item | material | standard | specification (OD*WT)mm | usage |
| alloy pipe | Cr5Mo. 15CrMo 13CrMo44 12Cr1MoV P22 T91,P91,P9, T9 Wb36 | GB5310-95 GB9948-88 ASTMA335/A335M ASTMA213/213M DIN17175-79 JISG3467-88 JISG3458-88 | 16-824*2-100 | The seamless steal pipes features resistance to high pressure, high/low temperature and corrosion and is used in the industries of petroleum, chemical engineering and. Electric power as well as boiler |
High-pressure boiler pipe | 20G,A106, ST 45 | GB5310-95 ASTM A 106-99 DIN17175-79 | 14-630*2-80 | Temperature-resistant seamless steel pipe far high-pressure boiler |
Seamless pipes for petroleum | 20, 12CrMo, 15CrMo | GB9948-88 | 10-530*1.5-36 | Boiler pipes for refinery, heat-exchanging pipes, seamless steel pipes for pipeline |
High-pressure Seamless pipes for fertilizer making equipment | 20, 16Mn, Q345 | GB6479-2000 | 18-530*3-40 | Fertilizer making equipment and pipe line |
Low and medium- pressure boiled pipe | 10,20 | GB3087-1999 | 10-530*2-40 | Over-heat pipe for low and medium pressure boiler, boiling water pipe, locomotive smoke pipe(big and small) |
| Fluid pipe | 20, Q345 | GB/T8163-1999 | 8-630*1.0-40 | Fluid feeding |
| Structural pipe | 20, Q345 10, 20,35,45, 16Mn,Q345B | GB/T8162-1999 | 6-1020*1.5-100 | For common structure |
| Line pipe | Gr.B | API | 60-630*1.5-40 | Carrying gas, water or oil in the industries of petroleum and natural gas |
Hydraulic prop pipe | 27SiMn | GB/T17396-1998 | 70-377*9-40 | Hydraulic support and prop |
- Q: How does the price of steel pipes vary based on size and grade?
- The price of steel pipes tends to vary based on their size and grade. Generally, larger pipes and higher-grade steel tend to have higher prices due to the increased raw material and manufacturing costs involved. However, market demand and supply dynamics can also play a role in the price fluctuations.
- Q: How are steel pipes used in petrochemical plants?
- Steel pipes are extensively used in petrochemical plants for various purposes such as transporting fluids and gases, as well as providing structural support. These pipes are commonly utilized for the safe and efficient transfer of crude oil, natural gas, and other chemicals within the plant. They are designed to withstand high pressure, extreme temperature conditions, and corrosive environments, ensuring the integrity and reliability of the plant's operations. Steel pipes also play a crucial role in the construction of process equipment, such as reactors, distillation columns, and heat exchangers, providing a durable and long-lasting solution for the petrochemical industry.
- Q: Can steel pipes be used for underwater applications?
- Yes, steel pipes can be used for underwater applications. Steel is a strong and durable material that can withstand the harsh conditions of underwater environments, making it suitable for various applications such as offshore oil and gas exploration, underwater construction, and marine infrastructure. Additionally, steel pipes can be coated with protective layers to prevent corrosion and ensure long-term performance underwater.
- Q: D108*4 what does "D108" mean by seamless steel tubes? What does "*4" mean?
- D108: refers to the outer diameter of 108mm;4: refers to the wall thickness of 4mm.
- Q: Are steel pipes suitable for use in automotive industries?
- Yes, steel pipes are suitable for use in automotive industries. Steel pipes offer high strength, durability, and resistance to corrosion, making them ideal for various applications in the automotive sector, such as exhaust systems, suspension systems, and fuel delivery systems. Steel pipes can withstand high temperatures and pressures, ensuring reliable performance and safety in automotive vehicles.
- Q: What are the different types of steel pipe fittings for plumbing systems?
- There are several types of steel pipe fittings commonly used in plumbing systems, including elbows, tees, couplings, unions, caps, and plugs. Each of these fittings serves a specific purpose in connecting and directing the flow of water or other fluids within the plumbing system.
- Q: Can steel pipes be used for conveying slurry and slurries?
- Yes, steel pipes can be used for conveying slurry and slurries. Steel pipes are commonly used for various applications including transporting fluids, gases, and solids. They are known for their durability, strength, and resistance to corrosion, making them suitable for handling abrasive materials like slurry and slurries. Steel pipes are often lined with materials such as rubber or ceramic to provide additional protection against wear and tear caused by the abrasive nature of slurries. The choice of steel grade and lining material depends on the specific requirements of the slurry being conveyed, such as its particle size, concentration, and temperature. Overall, steel pipes are a reliable and efficient option for transporting slurries in various industries including mining, wastewater treatment, and chemical processing.
- Q: How do you calculate the pipe pressure loss coefficient for steel pipes?
- To determine the pressure loss coefficient for steel pipes, one can utilize the widely accepted Darcy-Weisbach equation. This equation calculates the pressure loss in pipes caused by friction. It can be represented as follows: ΔP = f × (L/D) × (V^2/2g) In this equation: - ΔP represents the pressure loss in units of pressure, such as psi or Pa. - f denotes the Darcy friction factor, a dimensionless value. - L signifies the pipe length in units of length, such as feet or meters. - D represents the pipe diameter in units of length, such as feet or meters. - V indicates the fluid velocity flowing through the pipe in units of velocity, such as ft/s or m/s. - g represents the acceleration due to gravity in units of acceleration, such as ft/s² or m/s². The Darcy friction factor (f) is a dimensionless parameter that quantifies the amount of frictional resistance in the pipe. For steel pipes, this factor can be determined using the Moody diagram. The Moody diagram presents a graphical relationship between the Reynolds number (Re) and the friction factor (f) for various pipe roughness values. To calculate the pressure loss coefficient, one should find the friction factor (f) value based on the Reynolds number (Re) and the relative roughness of the steel pipe (ε/D). The Reynolds number is calculated as follows: Re = (ρ × V × D) / μ In this equation: - ρ represents the fluid density in units of mass per unit volume, such as lb/ft³ or kg/m³. - V denotes the fluid velocity in units of velocity, such as ft/s or m/s. - D signifies the pipe diameter in units of length, such as feet or meters. - μ represents the dynamic viscosity of the fluid in units of force per unit area per unit time, such as lb/ft·s or kg/m·s. Once the Reynolds number (Re) and the relative roughness (ε/D) are determined, one can refer to the Moody diagram to find the corresponding friction factor (f). The pressure loss coefficient (K) can then be calculated using the following formula: K = f × (L/D) In this equation: - L represents the pipe length in units of length, such as feet or meters. - D denotes the pipe diameter in units of length, such as feet or meters. By utilizing the Darcy-Weisbach equation and the Moody diagram, one can accurately calculate the pressure loss coefficient for steel pipes. This calculation is crucial for the design and analysis of fluid flow systems.
- Q: 20# seamless steel pipe and seamless steel pipe 20G what is the difference?
- 20#: low carbon steel seamless steel pipe, carbon steel is generally divided into low carbon steel, medium carbon steel and high carbon steel three, 45# steel in carbon steel, low carbon steel is lower than 45#, 45# is higher than that of high carbon steel, seamless steel pipe, such as no special requirements, using 20# seamless steel tube. 20# seamless steel pipe material is 20# steel, the strength is slightly higher than 15#, very little quenching, no temper brittleness. Cold plastic deformation and for bending, rolling, bending and hammer arch processing, arc welding and contact welding welding performance is good, when the thickness is small, prone to strict requirement of shape crack or complex shape parts. The cold or normalizing state of the cutting process is better than that of the annealed one. It is generally used to make workpieces with little stress and high toughness.
- Q: What are the different sizes available for steel pipes?
- Steel pipes are available in a wide range of sizes, including standard sizes such as ½ inch, 1 inch, 2 inches, and up to larger sizes like 24 inches and beyond. The specific sizes available depend on the manufacturer and the intended application of the steel pipes.
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Cushion Lap Tray Hot Selling
- Ref Price:
-
$2.00 - 3.00
/ pc
- Loading Port:
- Shenzhen
- Payment Terms:
- L/C,T/T
- Min Order Qty:
- 1000 Sets pc
- Supply Capability:
- 600,000 Set/Sets per Month pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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