Nature gas longitudinal seam steel line pipe

Nature gas longitudinal seam steel line pipe System 1

Nature gas longitudinal seam steel line pipe

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Specification

Size	OD 19mm-710mm 1/2"--28" inch
Thickness	2.5-50mm
Executive standards	GB/TB163-2008, GB/T3087-2008, API 5L, API 5CT, ASTM A106,
Executive standards	ASTM A53, BS1387-1958
Steel grade	10#, 20#, 20G, 35#, 45#, 16Mn(Q3458), 27SiMn, DZ50,12Cr1MoV, A106, ST52, ST45, Gr8.
Steel grade
Finish	Galvanization ,bared, oiled, black paint or as per the client's requirement,beveled edges, anti-rust oil and caps on both ends, 3PE,FBE
Finish
Delivery time	10-30 days after receiving the deposit, some size is available
Payment item	30% advance payment, the balance will be against the BL copy
Payment item	LC irrevocable at sight,
Marketing	South East Asia, Africa, European, South AMERICAN, USA, Australia,middle east etc.
Application	Structural pipe, oil or gas transportation pipe, fluid pipe, line pipe, drill pipe, boiler pipe, etc
Packing	PP, PE, BUNDLE, CAPS ON BOTH ENDS, AS PER THE CLIENT'S REQUIREMENT
Certificate	API, ISO9001
Standard	BS, JIS, GB, DIN, ASTM, API
Port	Xingang port Tianjin China

Dimension for thread seamless steel pipe

Chinese Standard	American Standard	German Standard
10#	A53-A	St37	DIN1626
	A106-A	St37-2	DIN17175
	A179-C	St35-8	DIN17175
20#	ASTM A106-B	St45-8	DIN17175
	ASTM A53-B	St42-2	DIN1626
	ASTM 178-C	St45-4	DIN1629/4
45#	ASTM A 1045	CK45
16Mn	A210-C	St52	DIN1629/3
16Mn	A210-C	St52.4	DIN1629/4
37Mn5	J55

Q: What is the difference between API 5L and ASTM A53 steel pipes?: API 5L and ASTM A53 are widely utilized carbon steel pipe standards with similar purposes but notable distinctions. 1. In terms of scope, API 5L pertains to seamless and welded pipes for transporting oil, gas, water, and other fluids. It encompasses plain-end, threaded-end, and belled-end pipe types. Conversely, ASTM A53 is a standard specification for seamless and welded black and hot-dipped galvanized steel pipes utilized in mechanical and pressure applications. 2. The manufacturing processes differ, as API 5L pipes undergo hot-rolling, while ASTM A53 pipes undergo either hot-rolling or cold-drawing. This variance affects the chemical composition and mechanical properties of the pipes. 3. Generally, API 5L pipes have a higher carbon content compared to ASTM A53 pipes. This discrepancy arises from the intended use of API 5L pipes for conveying oil, gas, and water, necessitating greater strength and durability. On the other hand, ASTM A53 pipes cater to mechanical and pressure applications, where lower carbon content is deemed appropriate. 4. API 5L pipes exhibit higher minimum yield strength and tensile strength than ASTM A53 pipes. This outcome stems from the increased carbon content and more stringent manufacturing process employed for API 5L pipes. Conversely, ASTM A53 pipes possess lower yield and tensile strength requirements, rendering them more suitable for general-purpose applications. 5. API 5L pipes offer various coating options, including black varnish, 3PE, FBE, among others, depending on the specific application requirements. In contrast, ASTM A53 pipes are typically hot-dipped galvanized to enhance corrosion resistance. In conclusion, API 5L and ASTM A53 steel pipes differ in scope, manufacturing processes, chemical compositions, mechanical properties, and coating options. The appropriate choice of pipe hinges upon specific application requirements, such as the nature of the conveyed fluid, operating conditions, and desired strength and durability.

Q: How are steel pipes used in the agricultural sector?: Steel pipes are commonly used in the agricultural sector for various purposes such as irrigation, drainage, and livestock handling. They are used to transport water from a source to fields, as well as to distribute water evenly across crops through irrigation systems. Steel pipes also help in draining excess water from fields and preventing waterlogging. Additionally, they are utilized for constructing fences, gates, and cattle handling facilities, ensuring the safety and containment of livestock.

Q: What is the maximum length of steel pipes available?: The maximum length of steel pipes available can vary depending on the specific manufacturer and supplier. However, in general, steel pipes can be found in lengths ranging from 18 feet to 40 feet or even longer.

Q: How are steel pipes protected against ultraviolet (UV) radiation?: Coatings or paints can be applied to steel pipes to protect them from ultraviolet (UV) radiation. These coatings are designed to resist the damaging effects of UV radiation, such as fading, chalking, or degradation of the steel. One common method of protection involves using UV-resistant paints or polymeric coatings that contain additives or pigments capable of reflecting or absorbing UV rays. These coatings not only shield the steel from UV radiation but also provide an extra layer of corrosion protection, increasing the pipes' lifespan. Another method used for UV protection is applying thermal insulation materials. These materials, such as foam or coatings with reflective properties, help reduce the impact of UV radiation on the steel pipes. By acting as a shield, they prevent direct exposure to UV rays and minimize potential damage from prolonged exposure. It's essential to consider various factors, including the specific application, environmental conditions, and desired durability of the steel pipes, when choosing a UV protection method. Seeking advice from experts in the field can help determine the most suitable solution for a particular project or application.

Q: Are steel pipes resistant to impact?: Yes, steel pipes are generally resistant to impact due to their high strength and durability. They can withstand external forces and are less likely to deform or break upon impact compared to other materials.

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 nut body and the junction box are connected at one end by adopting metric fine tooth thread, and the pipe is connected with the pipe, and one end is the same as the straight pipe joint (direct). Withhold the box joint points inside and outside teeth two. The diameter of straight pipe joint is divided into 16mm, 20mm, 25mm, 32mm, 40mm, 50mm.

Q: What are the main aspects of precision steel tubes?: Its inside and outside diameter size can be accurate to less than 0.2mm, and it is widely used in the manufacture of precision machinery parts and engineering structure when the bending resistance and torsion strength are the same. It is also used to produce all kinds of conventional weapons, guns, shells, bearings and so on.

Q: What's the difference between the fastener type steel pipe scaffold, the floor type steel pipe scaffold and the overhanging type steel pipe scaffold?: It is made up of steel pipe, fastener, base, foot board, safety net and so onSteel pipe rod: generally there are two kinds, an outer diameter 48mm, wall thickness 3.5mm; another kind of outer diameter 51mm, wall thickness 3mm; according to its location and function is different, can be divided into vertical pole, horizontal rod, sweeping rod, etc..Fasteners: fastener is the connection between the steel tube and steel tube, which has three forms, namely the right angle fastener, rotating fastener, butt joint fastener: rectangular fastener for connecting the two vertical pipes, it depends on the friction between the fastener and the steel pipe to transfer load. Swivel fastener: used for connecting two steel tubes intersecting at any angle.

Q: What industries typically use steel pipes?: Industries such as construction, oil and gas, water treatment, automotive, and manufacturing typically use steel pipes.

Q: How are steel pipes protected against fire?: Steel pipes are protected against fire through various methods such as applying intumescent coatings, using fire-resistant insulation, or encasing them in fire-rated enclosures. These measures help to delay the heat transfer and maintain the structural integrity of the pipes during a fire, allowing them to withstand high temperatures and prevent the spread of fire.

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