38'' CARBON STEEL SSAW WELDED PIPE API/ASTM/JIS/DIN

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 5 m.t

Supply Capability:: 300 m.t/month

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Packaging & Delivery

Packaging Detail:	standard export packing or as customer's requirement
Delivery Detail:	within 10 - 30 days

Specifications

Spiral Welded Steel Pipes and Tubes
1.Material:Q195-Q235
2.Length:1-12m
3.WT:1.0-14mm
4.O.D.:20-273mm

Product Description:

1.Material : Q235,Q345,L245,L290,L360,L415,L450,L485,GrB,X42,46,X52,X56,X60,X65,X70,X80,X100

2,Standard: SY/T5037-2000,GB/T9711-2011,API Spec 5L PSL1/PSL2,ASTM A252\A53,ISO3183,DIN17172,EN10217,JIS G3457,AWWA C200,ASTM A139,ASTM A671,ASTM A672

3.Wall thickness: 3.0mm-30mm

4.Outer diameter: φ168mm-3020mm

5,Length: 5m-12m or as your requirement

6,Corrosion protection standard: DIN30670,DIN30671, AWWAC210, AWWA C203, SY/T0413-2002,SY/T0414-2002

7,Application: Oil, gas, natural gas, water pipe, thermal electricity pipe, steel structure engineering, etc

Q195-q345 Material Steel Pipe's Materials

Elements Material	Chemical Compsition%					Mechanical Property
	C%	Mn%	S%	P%	Si%	Yield Point (Mpa)	Tensile Strength(Mpa)	Elongation (%)
Q195	0.06-0.12	0.25-0.50	<0.050< span="">	<0.045< span="">	<0.030< span="">	>195	315-430	32-33
Q215	0.09-0.15	0.25-0.55	<0.05< span="">	<0.045< span="">	<0.030< span="">	>215	335-450	26-31
Q235	0.12-0.20	0.30-0.70	<0.045< span="">	<0.045< span="">	<0.030< span="">	>235	375-500	24-26
Q345	<0.20< span="">	1.0-1.6	<0.040< span="">	<0.040< span="">	<0.55< span="">	>345	470-630	21-22

Packaging & Delivery

Packaging Detail:	Normal exporting packing,in container or bulk vessel or as per clients' request
Delivery Detail:	2 months after confimed contract

Specifications

Large Diameter API 5L X70 PSL2 LSAW Steel Pipe
Grade: X42, X46, X50, X52, X60, B, C
OD: 1.5"-28"
WT: SCH10-SCH160
Brand:TPCO

Large Diameter API 5L X70 PSL2 LSAW Steel Pipe

Specifications:

u Standard: API 5L

u Grade: B, C, X42, X46, X50, X52, X56, X60, X65, X70, X80

u OD: 1.5"-28"

u WT: SCH10-SCH160

u Length: 5-12m

u Ends Finish: plain end, bevel end, grooved end

u Surface Treatment: bare, black varnished, oiled finish, red color, anti-corrosion, 3PE, FBE or epoxy coating

u Technique: hot rolled or cold drawn

u Application: api 5l steel pipe for conveying oil, water, gas

u Invoicing: based on theoretical weight or actual weight

u Payment Terms: L/C at sight, T/T or Western Union

u Trade Terms: FOB, CFR, CIF

u Certification: ABS manufacturing assessment, ABS design assessment, API 5CT, API 5L, DNV manufacturer certificate, ISO9001 quality management system certificate, ISO14001 environment management system certificate, GB/T28001 occupational health and safety management system certificate, A1 class manufacturing license of special equipment certificate, CCS, GL, LR, SGS, TüV, PDE

Q:What's the actual size of the DN25?: DN25 refers to the theoretical size of the inner hole of the pipe. That is to say, the theoretical dimension of the inner diameter of the pipe is 25 (the metric tube refers to the inner diameter, and the English tube is also to indicate the inner diameter, for example: 3/8, the inner diameter is 9.525, and the diameter of the 1/2 is 12.7, and the diameter of the 5/8 is 15.875). The outer diameter is theoretical in diameter, plus the wall thickness specified by the state (which is artificially specified and has no formula)The theoretical diameter of DN25 is 25, and the outer diameter is Phi 33.7 and phi 32(but there is also the outside diameter of the mark. The mark is: the outer diameter * wall thickness, such as: 32 * 2, that is to say, the outer diameter is 30, the inner diameter is 26)

Q:How are steel pipes used in the pharmaceutical industry?: Steel pipes are used in the pharmaceutical industry for various purposes, including the transportation of liquids, gases, and chemicals, as well as for the distribution of water and steam. They provide a reliable and durable solution for the safe and efficient transfer of pharmaceutical products within manufacturing facilities and during distribution processes.

Q:Where is the difference between seamless steel pipe and welded pipe?: The steel tube is a hollow steel strip, used as pipe conveying fluid, such as oil, gas, water, gas, steam, in addition, the bending and torsional strength of the same, the weight is light, so it is widely used in the manufacture of machinery parts and engineering structures. It is also used to produce all kinds of conventional weapons, guns, shells and so on.

Q:What is the thermal expansion coefficient of steel pipes?: The thermal expansion coefficient of steel pipes varies depending on the specific type of steel used, as well as the temperature range in which the expansion is being measured. However, on average, the thermal expansion coefficient of steel pipes ranges from 10-14 x 10^-6 per degree Celsius (10-14 μm/m°C). This means that for every degree Celsius increase in temperature, the length of a steel pipe will expand by approximately 10-14 μm per meter of length. It is important to note that this value is an average and can vary slightly depending on the specific composition and treatment of the steel used in the pipe.

Q:How are steel pipes protected against abrasive wear?: Steel pipes are protected against abrasive wear through various methods such as lining the interior of the pipes with abrasion-resistant materials, applying protective coatings on the pipe surface, or using ceramic tiles or liners. These measures help minimize the effects of friction and abrasion, ensuring the longevity and durability of the steel pipes.

Q:What is the difference between hot-dipped galvanized and electro-galvanized steel pipes?: Hot-dipped galvanized and electro-galvanized steel pipes are both types of steel pipes that have undergone a galvanization process to protect them from corrosion. However, there are some key differences between the two processes. Hot-dipped galvanized steel pipes are immersed in a molten zinc bath, which results in a thick coating of zinc being applied to the surface of the steel. This process creates a durable and long-lasting corrosion-resistant barrier. The thickness of the zinc coating can vary, but it is generally thicker than that of electro-galvanized steel pipes. On the other hand, electro-galvanized steel pipes are coated with a thin layer of zinc using an electroplating process. This process involves passing an electric current through the steel pipes while they are immersed in a zinc solution. The zinc particles are then deposited onto the surface of the steel, creating a thin and uniform protective barrier. One of the main differences between these two processes is the thickness of the zinc coating. Hot-dipped galvanized steel pipes have a thicker and more robust coating, making them more suitable for applications in harsh environments or where the pipes will be exposed to corrosive substances. Another difference is the appearance of the pipes. Hot-dipped galvanized steel pipes typically have a dull grayish finish, while electro-galvanized steel pipes have a smoother and more polished appearance. In terms of cost, electro-galvanized steel pipes are generally more economical compared to hot-dipped galvanized steel pipes. This is because the electroplating process is less labor-intensive and requires less zinc. Overall, the choice between hot-dipped galvanized and electro-galvanized steel pipes depends on the specific application and the level of corrosion resistance required. Hot-dipped galvanized steel pipes are typically used in more demanding environments, while electro-galvanized steel pipes are suitable for less corrosive applications where cost-efficiency is a priority.

Q:How are steel pipes used in water treatment plants?: Steel pipes are commonly used in water treatment plants for various purposes, such as transporting water from different sources, distributing water to different treatment units, and conveying treated water to storage tanks or distribution networks. They are also used in the construction of infrastructure components like pumping stations, filtration units, and chemical dosing systems. Additionally, steel pipes provide durability, corrosion resistance, and the ability to withstand high pressures, making them suitable for handling the demands of water treatment processes.

Q:How are steel pipes used in the agriculture industry?: Steel pipes are used in the agriculture industry for various purposes such as irrigation systems, drainage systems, and livestock handling equipment. They provide a durable and reliable solution for transporting water, nutrients, and effluents, ensuring efficient and effective operations in farm settings.

Q:What are the different types of steel pipe supports?: There are several different types of steel pipe supports, including pipe hangers, pipe clamps, pipe shoes, and pipe saddles. These supports are used to secure and stabilize pipes in various applications, such as plumbing, HVAC systems, and industrial piping systems.

Q:Can steel pipes be used in the oil and gas industry?: Yes, steel pipes are commonly used in the oil and gas industry. Steel pipes are known for their strength, durability, and resistance to corrosion, making them suitable for transporting and storing various fluids and gases in the industry. These pipes can withstand high pressure and extreme temperatures, which are often encountered in oil and gas operations. Additionally, steel pipes can be easily welded together, allowing for efficient assembly and maintenance. Overall, steel pipes are a reliable and cost-effective choice for the oil and gas industry.

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