Seamless HARD Carbon Steel Pipe&Tube For Tunnel And Anchor Rod 10# CNBM

Seamless HARD Carbon Steel Pipe&Tube For Tunnel And Anchor Rod 10# 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 - 14 mm	Section Shape:	Round	Outer Diameter:	8 - 80 mm
Place of Origin:	HEB,HEB,HEB,China,FORM A,FORM E China (Mainland) Ch China (Mainland)	Secondary Or Not:	Non-secondary	Application:	Hydraulic Pipe
Technique:	Cold Rolled	Certification:	ISO9001:2008	Surface Treatment:	oil
Special Pipe:	Thick Wall Pipe	Alloy Or Not:	Is Alloy	length:	5-8m
usage3:	machine bush parts	usage4:	machine and engine pin	usage5:	tunnel and anchor rod
Test:	eddy current test,Ultrasonic Testing	usage2:	shock absorption bush	usage1:	power transmission machinery
colour:	black	name:	large-diameter hot-expanding seamless steel pipe	Grade:	10#,20#,45#,16Mn,16Mo,16mo3,Q345,ST35,St37,ST37.4,St52,10#-45#,Mo,Q195-Q345,ST35-ST52
Standard:	ANSI A210-1996,ASTM A1020-2002,ASTM A213-2001,ASTM A403-2007,ASTM A789-2001,BS 1387,BS EN10296,DIN 17175,DIN EN 10025,DIN EN 10217-1-2005,GB/T8162,GB/T8163,JIS G3459-2004,JIS G3461-2005,ASTM,BS,DIN,GB,JIS

Packaging & Delivery

Packaging Detail:	Marking: as per customer's requests. Painting varnish coating on the pipe. steel trips, woven bag
Delivery Detail:	10-45 days or as the customer's request

Seamless Carbon Hard Steel Pipe&Tube For Tunnel And Anchor Rod

Type	Manufacture & Sales OEM
Process	Seamless, Cold drawn and Cold rolled, finish-rolled
Material	20#, 10#, 45#, 35# , Q345, 16Mn, 42CrMo
size	Outer Diameter	8 –80mm
	Wall Thickness	1-14mm
	Length	5-10m
Standard	DIN st42, st45, st35, st37 and st52, GB 8162
Package	1. Bundle packing. 2. Bevelled end or plain end or warnished as per buyer's requestments. 3. Marking: as per customer's requests. 4. Painting varnish coating on the pipe. 5. Plastic caps at ends.
Delivery Time	15to20 days or as clients reqestments

Q:Can steel pipes be used for natural gas distribution?: Yes, steel pipes can be used for natural gas distribution. Steel pipes are commonly used in natural gas distribution systems due to their high strength, durability, and resistance to corrosion. They can safely transport natural gas over long distances and are widely accepted in the industry for this purpose.

Q:How are steel pipes tested for mechanical strength?: Steel pipes are typically tested for mechanical strength through various destructive and non-destructive testing methods. Destructive tests involve subjecting the pipes to tension, compression, or bending forces until failure occurs, allowing the measurement of their ultimate tensile strength, yield strength, and elongation. Non-destructive tests, such as ultrasonic testing, magnetic particle inspection, or radiographic examination, are also conducted to detect any internal or surface defects that may affect the mechanical strength of the pipes. These tests ensure that steel pipes meet the required standards and specifications in terms of their mechanical strength.

Q:What is the outer diameter and wall thickness of the welded steel pipe of national standard DN250?: DN (nominal diameter) 250 is generally the industry said 273, welded steel pipe (spiral steel pipe) thickness is generally between 6-8mm, more common.

Q:What are the uses of seamless steel tubes?: A large number of pipes used for conveying fluids, such as pipelines for transporting petroleum, natural gas, gas, water, and certain solid materials.

Q:How are steel pipes insulated against heat loss?: There are multiple ways to insulate steel pipes to prevent heat loss. One widely used method involves utilizing insulation materials like mineral wool or fiberglass wraps. These materials are wrapped around the pipes, forming a barrier that reduces heat transfer. Another approach involves directly applying insulation coatings like foam or rubber coatings onto the pipe's surface. These coatings create a protective layer that minimizes heat loss. Additionally, thermal tape or heat-resistant tape can be employed to seal any gaps or joints in the insulation, ensuring a continuous barrier against heat loss. In summary, effectively insulating steel pipes is crucial to maintaining the desired temperature of the fluid or gas being transported and enhancing energy efficiency across diverse industries.

Q:What are the advantages of using steel pipes in plumbing systems?: There are several advantages of using steel pipes in plumbing systems. Firstly, steel pipes are highly durable and can withstand high levels of pressure, making them suitable for carrying water and other fluids. Additionally, steel pipes are resistant to corrosion, which ensures longevity and prevents leaks. Steel pipes also have a smooth interior surface, which improves water flow and reduces the risk of blockages. Moreover, steel pipes are fire-resistant and do not contribute to the spread of flames, enhancing overall safety. Lastly, steel pipes are environmentally friendly as they are often made from recycled materials and can be recycled again at the end of their lifespan.

Q:What is the average lifespan of steel pipes?: The average lifespan of steel pipes varies depending on various factors such as their quality, usage, and maintenance. However, under normal conditions, well-maintained steel pipes can last for several decades or even longer.

Q:What are the different manufacturing standards for steel pipes?: There are several manufacturing standards for steel pipes that are widely recognized and implemented in the industry. These standards ensure that the steel pipes are produced to meet specific requirements and quality standards. Some of the most common manufacturing standards for steel pipes include: 1. American Society for Testing and Materials (ASTM): ASTM standards are widely used in the United States and cover a wide range of steel pipe specifications. These standards include specifications for seamless and welded steel pipes, as well as various grades and dimensions. 2. International Organization for Standardization (ISO): ISO standards are globally recognized and provide guidelines for the production of steel pipes. ISO standards cover areas such as dimensions, materials, testing, and quality control. 3. European Norm (EN): EN standards are applicable in Europe and provide specifications for various types of steel pipes. These standards cover aspects such as dimensions, materials, manufacturing processes, and testing. 4. Japanese Industrial Standards (JIS): JIS standards are widely used in Japan and have gained international recognition. These standards cover dimensions, materials, and testing methods for steel pipes. 5. British Standards (BS): BS standards are commonly used in the United Kingdom and cover a range of steel pipe specifications. These standards include requirements for dimensions, materials, and testing procedures. 6. American Petroleum Institute (API): API standards are specifically developed for the oil and gas industry and cover various aspects of steel pipe manufacturing. These standards include specifications for seamless and welded pipes used in oil and gas exploration, production, and transportation. It is important for manufacturers, buyers, and users of steel pipes to be aware of these standards to ensure the quality, compatibility, and reliability of the pipes. Compliance with these standards helps to ensure that the steel pipes meet the necessary requirements and are suitable for their intended applications.

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 is the difference between hot-dip galvanizing and electroplating for steel pipes?: Hot-dip galvanizing and electroplating are both methods used to protect steel pipes from corrosion, but they differ in the process and the properties of the resulting coating. Hot-dip galvanizing involves immersing the steel pipe in a bath of molten zinc, which forms a thick and durable coating that bonds metallurgically with the steel. This provides excellent corrosion resistance and protection even in harsh environments. On the other hand, electroplating involves the deposition of a thin layer of zinc onto the steel pipe using an electric current. While electroplating also offers corrosion protection, the coating is typically thinner and less durable than hot-dip galvanizing. Hot-dip galvanizing is typically preferred for steel pipes that require long-lasting protection, while electroplating may be suitable for applications where a thinner coating is sufficient.

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