• Seamless steel tube API,GB,ASTM,ASME,DIN System 1
  • Seamless steel tube API,GB,ASTM,ASME,DIN System 2
Seamless steel tube API,GB,ASTM,ASME,DIN

Seamless steel tube API,GB,ASTM,ASME,DIN

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
5000 m.t./month

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1. Commodity Name: Seamless steel pipe

2. Standard: API,GB,ASTM,ASME,DIN

3. Quality grade:  10#, 20#, A106B, A53B, API 5L B, Q235, Q345, ST37-2, ST 45, ST52.etc.

4. Dimension: 

OD: 1/2"-24"

WT: 2.5-80mm, SCH10~SCH40~XXL

length: 5.8m,6m,8m,9m,12m

5. Technique: Hot Rolled/Cold Rolled/ Cold Drawn

6. application

carbon seamless steel pipes are widely used in gas, water and oil, transpotation;constructions;Bridge,highway,windows of model steel door; building materials;fences;heating facilities Fluid Pipe;conduit pipe,scaffolding pipe.etc.

7. Payment Terms: L/C D/A D/P T/T

8.packing and shipment

Packaged in bundles,as per customers' requirements, it can also bepackagesd as beveled ends, typed marking, black painting, plastic caps protection,woven bags packing

For 20" container the max length is 5.8m; For 40" container the max length is 12m. other options are available based on customer requests. Please discuss when placing orders.

 

 

9. Surface: painted with varnish;

10. Plastic caps at ends.

11. Tolerance: OD   +1%/-1%

                WT  +12.5%/-10%

12. Chemical composition:

 

Models of Steel Pipes

Chemical Component

 

Steel 20

 (ASTM A106B)

C

Si

Mn

P

S

Cu

Ni

Cr

0.17~0.24

0.17~0.37

0.35~0.65

0.035max

0.035max

0.25max

0.25max

0.25max

Steel45 (ASTM 1045)

0.42~0.50

0.17~0.37

0.50~0.80

0.035max

0.035max

0.25max

0.25max

0.25max

16Mn(Q345B)

0.12~0.20

0.20~0.55

1.20~1.60

0.035max

0.035max

0.25max

0.25max

0.25max

45Mn2 ( ASTM1345)

0.42~0.49

0.17~0.37

1.40~1.80

0.035max

0.035max

0.3max

0.3max

0.30max

 

 


Q: How can the immersed pipe pile put steel cage into the steel pipe? Which expert to answer?
Pile: refers to the use of hammer piling method and pile vibration method, steel casing with valve type pile tip or precast reinforced concrete pile boots into the soil, then pouring concrete (or first in the tube into the cage), while hammering or vibration of a pile side pull tube. The former is called hammer sinking pipe cast-in-place pile, and the latter is called vibrating sinking pipe cast-in-place pile.
Q: How are steel pipes used in the construction of stormwater drainage systems?
Steel pipes are commonly used in the construction of stormwater drainage systems due to their durability and strength. They are used to create underground networks that efficiently channel rainwater away from urban areas, preventing floods and water damage. Steel pipes are resistant to corrosion and can withstand heavy loads, making them suitable for the long-term and reliable functioning of stormwater drainage systems.
Q: Can steel pipes be used for sewage treatment plants?
Yes, steel pipes can be used for sewage treatment plants. Steel pipes are commonly used in sewage treatment plants due to their durability, strength, and resistance to corrosion. They can efficiently transport wastewater and withstand the harsh chemical environment found in sewage treatment facilities.
Q: How do steel pipes perform in extreme weather conditions?
Steel pipes generally perform well in extreme weather conditions. They have high strength and durability, making them resistant to harsh weather elements such as extreme temperatures, heavy rainfall, and strong winds. The material's resistance to corrosion and rust also ensures that the pipes can withstand long-term exposure to moisture and other environmental factors. However, it is important to note that proper maintenance and protective coatings can further enhance their performance and lifespan in extreme weather conditions.
Q: What is the role of steel pipes in the aerospace industry?
Steel pipes play a crucial role in the aerospace industry as they are used in various applications such as aircraft manufacturing, engine components, and fuel systems. These pipes are known for their high strength, durability, and resistance to extreme temperatures and pressure. They provide a reliable conduit for fluids, gases, and hydraulic systems, ensuring efficient operations and safety in aircraft. Additionally, steel pipes are utilized in structural components like landing gear, frames, and support structures due to their ability to withstand heavy loads and maintain structural integrity under dynamic conditions. Overall, steel pipes are essential in the aerospace industry for their versatility and reliability in critical systems and structures.
Q: What is the meaning of "DN" and "Phi" in the dimensioning of steel pipe diameter and how to apply the mark?
DN is a kind of Engineering path, not the actual value, due to the different standards, so the actual corresponding values is not the same; phi is refers to the actual value, the same national standard pipe inside the steel pipe, the actual value is the same, for example, GB/T8163 and GB GB fluid pipe spiral pipe and GBT/T9711.1 GB/T12459 the same nominal diameter corresponding to the actual value is the same as the actual value; and American Standard steel standard ANSI B 16.38 and ANSI B 16.9 standard American Standard fitting the same nominal correspondence is the same. If marked, the nominal diameter should be added DN, and the actual value can be omitted.
Q: Are steel pipes suitable for underground gas distribution?
Yes, steel pipes are suitable for underground gas distribution. They have a high tensile strength, corrosion resistance, and can withstand extreme temperatures, making them an ideal choice for transporting natural gas underground. Additionally, steel pipes are durable and have a long lifespan, making them a reliable option for gas distribution systems.
Q: What are the environmental impacts of steel pipe production and disposal?
The environmental impacts of steel pipe production and disposal are mainly related to the extraction and processing of raw materials, energy consumption, greenhouse gas emissions, and waste generation. The production of steel pipes requires the extraction of iron ore and other raw materials, which can lead to habitat destruction and biodiversity loss. The processing and manufacturing of steel pipes also involve significant energy consumption, contributing to carbon dioxide emissions and climate change. Additionally, the disposal of steel pipes, especially if not properly managed, can result in waste accumulation and potential soil and water pollution. Therefore, it is crucial to consider sustainable practices and recycling options to minimize the environmental impacts associated with steel pipe production and disposal.
Q: Can steel pipes be used for irrigation pumps?
Yes, steel pipes can be used for irrigation pumps. Steel pipes are commonly used in irrigation systems due to their durability, strength, and resistance to corrosion. They are ideal for transporting water from the pump to the irrigation system, ensuring efficient water distribution for agricultural purposes.
Q: How are steel pipes used in the construction industry?
Steel pipes are widely used in the construction industry for various purposes such as structural support, conveying fluids and gases, and underground utility systems. They are commonly used in building frameworks, bridges, and high-rise structures due to their strength, durability, and resistance to extreme weather conditions. Additionally, steel pipes are utilized for plumbing and drainage systems, providing a safe and efficient way to transport water, sewage, and other fluids.

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