• Schedule 40 Seamless Carbon Steel Pipe   ST37  CNBM System 1
  • Schedule 40 Seamless Carbon Steel Pipe   ST37  CNBM System 2
  • Schedule 40 Seamless Carbon Steel Pipe   ST37  CNBM System 3
Schedule 40 Seamless Carbon Steel Pipe   ST37  CNBM

Schedule 40 Seamless Carbon Steel Pipe ST37 CNBM

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Loading Port:
Qingdao
Payment Terms:
TT OR LC
Min Order Qty:
10 pc
Supply Capability:
30 pc/month

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Quick Details

Thickness:

1.73 - 59.54 mm

Section Shape:

Round

Outer Diameter:

10.3 - 914.4 mm



Secondary Or Not:

Non-secondary

Application:

Fluid Pipe

Technique:

Hot Rolled

Certification:

API

Surface Treatment:

Galvanized,vanish covering, black painting, galvenized ect.

Special Pipe:

API Pipe

Alloy Or Not:

Non-alloy

Length:

5-12m as per customer's requirements

SCH:

SCH10~160, STD, XS & XXS

Payment Terms:

L/C T/T

Supply Ability:

5000 Ton/Tons per Week

Product:

pipe prices

Grade:

10#,20#,45#,A106(B,C),A53(A,B),12Cr1MoV,12Cr1MoVG,12Cr2Mo,13CrMo44,13CrMo45,15CrMo,15CrMoG,St52,St52.4,10#-45#,A53-A369,Cr-Mo alloy,ST35-ST52

Standard:

API 5CT,API 5L,ASTM A106-2006,ASTM A53-2007,DIN 17175,GB 3087-1999,GB 5130,GB 6479-2000,GB 9948-2006,GB/T 17396-1998,GB/T 5312-1999,GB/T 8162-1999,GB/T 8163-1999,API,ASTM,DIN,GB

Packaging & Delivery

Packaging Detail:By bundles, seaworthy wooden cases, steel framed cases, and simple packaging or according to the demand of the customers.
Delivery Detail:within 5-15 days

Specifications

1.pipe prices
2.Supply Ability:5000 Tons per Week
3.Payment Terms:L/C T/T

High quality Carbon steel pipe, Best pipe prices

1) Application:   Overheat pipe for low and mediumpressure boiler,boiling water pipe, locomotive smoke pipe(big and small),Carry gas ,water or oil in the industries of petroleum and natural gas etc
2) Materials:   10#, 20#, 45#, 15CrMo, 12Cr1MoV, 13CrMo44, 12Cr2Mo, 13CrMo45, 12Cr1MoVG, 15CrMoG, API J55, API K55, API N80, API L80, API P110

3)Pipe according to standard: GB 3087-1999, GB/T 8163-1999, GB/T 8162-1999, GB 9948-2006, GB/T 17396-1998, GB/T 5312-1999, GB 6479-2000, GB 5130, DIN 17175, API 5CT, API 5L .

4)Packing: By bundles, seaworthy wooden cases, steel framed cases, and simple packaging or according to the demand of the customers.

Technical Parameters of Seamless Steel Pipe

schedule 40 seamless carbon steel pipeschedule 40 seamless carbon steel pipe


Q:How do you calculate the pipe flow velocity for steel pipes?
To determine the velocity of flow in steel pipes, two equations can be utilized: Manning's formula or the Darcy-Weisbach equation. 1. Manning's formula, commonly applied to open channel flow but also suitable for partially filled pipes, calculates velocity based on the pipe's hydraulic radius, slope, and Manning's roughness coefficient. The formula is as follows: Velocity (V) = (1.486/n) * (R^2/3) * (S^1/2) In this formula: - V represents the velocity - n denotes the Manning's roughness coefficient (obtainable from reference tables) - R signifies the hydraulic radius (cross-sectional area divided by wetted perimeter) - S indicates the slope of the energy grade line 2. The Darcy-Weisbach equation, widely used for pipe flow calculations, derives velocity from the pipe's diameter, roughness coefficient, and head loss due to friction. The equation is as follows: Velocity (V) = (2 * g * hL)^0.5 In this equation: - V represents the velocity - g stands for the acceleration due to gravity (approximately 9.81 m/s^2) - hL refers to the head loss caused by friction, which can be calculated using the Darcy-Weisbach equation: hL = (f * L * V^2) / (2 * g * D) In this equation: - f denotes the Darcy friction factor (dependent on the Reynolds number and pipe roughness) - L represents the length of the pipe - D indicates the diameter of the pipe Both formulas necessitate input parameters such as pipe dimensions, roughness coefficients, and slope. These parameters can be obtained from engineering references or pipe manufacturer specifications. It is essential to note that these formulas provide approximate values and may require iterations or adjustments for precise outcomes.
Q:How are steel pipes used in the manufacturing of ships?
Steel pipes are used in the manufacturing of ships for various purposes, such as carrying fluids and gases, providing structural support, and facilitating efficient operation of the ship's systems. They are used for plumbing, ventilation, and firefighting systems, as well as for the construction of hulls and other vital components. Overall, steel pipes play a crucial role in ensuring the functionality and safety of ships during their construction and operation.
Q:How do you calculate the pipe flow rate for steel pipes?
To calculate the pipe flow rate for steel pipes, you can use the Hazen-Williams equation or the Darcy-Weisbach equation. These equations take into consideration factors such as the pipe diameter, length, roughness, and the pressure difference between the two ends of the pipe. By plugging in these values into the respective equation, you can determine the flow rate of the fluid passing through the steel pipe.
Q:Are steel pipes suitable for use in coastal areas?
Yes, steel pipes are suitable for use in coastal areas. Steel is known for its durability and resistance to corrosion, which makes it a reliable choice for withstanding the harsh conditions of coastal regions, including exposure to saltwater and high levels of humidity. Additionally, steel pipes can be coated or galvanized to provide extra protection against corrosion, ensuring their longevity and performance in coastal environments.
Q:How to make the steel pipe spray paint is not easy to fall off?
You're not usually advised to do it yourself, because you can't do it yourself. General powder coating, spray before the treatment is very strict, to be high temperature baking, and their spraying are dry paint, it does not add hardening agent, that is, the surface dry, but not hard, not wear-resistant. So don't scrape off the paint, or you'll look good after spraying, and it will be ugly in a few days,.If you really like to look good, you can buy some stickers back to paste, without affecting the appearance..
Q:Are steel pipes suitable for industrial applications?
Yes, steel pipes are highly suitable for industrial applications. Steel pipes possess excellent strength, durability, and corrosion resistance, making them ideal for transporting fluids, gases, and solid materials in various industries such as oil and gas, construction, automotive, and manufacturing. Additionally, steel pipes can withstand high pressure, extreme temperatures, and harsh environmental conditions, making them reliable and efficient for industrial operations.
Q:Are steel pipes resistant to UV radiation?
Yes, steel pipes are generally resistant to UV radiation. UV radiation is known to cause damage to materials over time, such as fading, discoloration, and degradation. However, steel pipes are typically coated with protective layers, such as paint or galvanization, which help to shield them from UV radiation. These coatings act as a barrier, preventing the direct exposure of steel to UV rays and minimizing the potential for damage. Additionally, the inherent properties of steel, including its strength and durability, make it less susceptible to the effects of UV radiation compared to other materials like plastics or rubber. However, it is important to note that prolonged exposure to intense UV radiation can still have some impact on steel pipes, such as slight discoloration or surface degradation. Regular maintenance and inspection are recommended to ensure the continued performance and longevity of steel pipes in outdoor or UV-exposed environments.
Q:304 stainless steel tube with the diameter of 25*2-3 is what mean
This is according to the "water drawing standards" (GBT50106-2001) in 2.4.2-2 seamless steel pipe, welded steel pipe (straight or spiral seam), brass, stainless steel pipe, pipe diameter should be D diameter * thickness representation (such as D108 * 4 and D159 * 4.5); and the provisions of the habit of acting D with seamless pipe diameter.
Q:What are the common materials used for pipe fittings in steel pipes?
The common materials used for pipe fittings in steel pipes include carbon steel, stainless steel, and alloy steel. Carbon steel pipe fittings are widely used due to their affordability, strength, and durability. They are suitable for various applications, including oil and gas, petrochemical, and water distribution systems. Stainless steel pipe fittings are highly resistant to corrosion and are commonly used in industries that require a high level of hygiene, such as food and beverage and pharmaceutical industries. Alloy steel pipe fittings are composed of multiple elements, such as chromium, nickel, and molybdenum, to enhance their strength and resistance to corrosion. These fittings are often used in high-pressure and high-temperature applications, such as power plants and chemical plants. Overall, the choice of material for pipe fittings in steel pipes depends on the specific requirements of the application and the environment in which they will be used.
Q:How are steel pipes used in the manufacturing of chemical storage tanks?
Steel pipes are commonly used in the manufacturing of chemical storage tanks as they provide structural support and serve as conduits for the transportation of chemicals. These pipes are typically used for connecting various components of the tank, such as the inlet and outlet valves, as well as for creating the internal plumbing system. The durability and corrosion resistance of steel make it an ideal material for ensuring the integrity and longevity of chemical storage tanks.

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