Large diameter double sided submerged arc welded pipes

Large diameter double sided submerged arc welded pipes System 1

Large diameter double sided submerged arc welded pipes

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 12000 m.t./month

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Product Description:

1、Structure of Welded Steel Tube:

Welded Steel Tube is formed by drawing a solid billet over a piercing rod to create the hollow shell. We are company that have many years experience and professional manager team and engineer team and sales team, sure we will provide you high quality of welded pipe and professioanl service.

2、‍‍Main Features of the Welded Steel Tube:

• High manufacturing accuracy

• The higher strength

• The small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Satisfy price

3、Welded Steel Tube Specification：

Standard	Grade	（MPa）		（MPa）
		Yield strength		Tensile Strength
API SPEC 5L	PSL1
	B	≥241		≥414
	×42	≥290		≥414
	×46	≥317		≥434
	×52	≥359		≥455
	×56	≥386		≥490
	×60	≥414		≥517
	×65	≥448		≥531
	×70	≥483		≥565
	PSL2
		Min	Max	Min	Max
	B	241	448	441	758
	×42	290	496	414	758
	×46	317	524	434	758
	×52	359	531	455	758
	×56	386	544	490	758
	×60	414	565	517	758
	×65	448	600	531	758
	×70	483	621	565	758

Chemical Composition(%)

Standard	Grade	C	Mn	P	S	CEV
	Grade	Max	Max	Max	Max	Max
	PSL1					-
	B	0.26	1.2	0.030	0.030
	×42	0.26	1.3	0.030	0.030
	×46,×52,×56，X60	0.26	1.4	0.030	0.030
	X65	0.26	1.45	0.030	0.030
	X70	0.26	1.65	0.030	0.030
	PSL2					0.43
	B	0.22	1.20	0.025	0.015	0.43

1) Material: Grade:API 5L GR.B, X40, X42, X52, X56, X60, X65, X70.ST37/37-2,ST33,ST35.8,ST35.4.GB 9711.1/SY5037/GB3092

2) Specification range: OD: 406.4MM-1422MM (16”-56”)

Thickness: 8MM-50.8MM depends on OD

3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements of our clients!
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut,plastic capped,painted.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing.

4、Packaging & Delivery

Packaging Details:	seaworthy package,bundles wrapped with strong steel strip
Delivery Detail:	15-30days after received 30%TT

5、FAQ of Welded Steel Tube:

①How is the quality of your products?
We have many years business experience in this area, and we have professional engineer and manager team and sure we can provide you high quality production and professional service.

②How about price?
If you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

③Why should you chose us?
We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust.

6、‍‍ Welded Steel Tube Images：

Large diameter double sided submerged arc welded pipes

Q: How do steel pipes compare to other materials like PVC or copper pipes?: Steel pipes are known for their durability and strength, making them highly preferable for applications that require high pressure and extreme temperatures. In comparison to PVC pipes, steel pipes offer superior resistance to impact, corrosion, and fire, making them suitable for harsh environments. Copper pipes, on the other hand, are primarily used for plumbing and heating systems due to their excellent heat conductivity. While steel pipes may be more expensive than PVC or copper, their robustness and longevity make them a reliable choice for various industrial and infrastructure projects.

Q: Can steel pipes be used for geothermal energy systems?: Yes, steel pipes can be used for geothermal energy systems. Steel pipes are commonly used in geothermal energy systems due to their strength, durability, and resistance to high temperatures and corrosion. They are able to withstand the harsh underground conditions and are suitable for transporting the geothermal fluid from the heat source to the surface for energy extraction.

Q: What are the common applications of steel pipes in the oil and gas industry?: Steel pipes are commonly used in the oil and gas industry for various applications such as drilling, transportation of crude oil and natural gas, and for constructing pipelines and storage tanks. They provide strength, durability, and resistance to corrosion, making them ideal for these critical operations.

Q: Can steel pipes be used in extremely cold temperatures?: Yes, steel pipes can be used in extremely cold temperatures. Steel is known for its strength and durability, making it suitable for various applications, including in extreme cold weather conditions. Steel pipes have a high resistance to low temperatures and can withstand the effects of freezing temperatures without losing their structural integrity. This makes them ideal for use in industries such as oil and gas, where they are exposed to sub-zero temperatures. Additionally, steel pipes can be insulated or coated to provide further protection against the cold and prevent any potential issues, such as freezing or cracking. Overall, steel pipes are a reliable choice for use in extremely cold temperatures.

Q: How are steel pipes connected together?: Steel pipes are typically connected together using various methods such as welding, threading, or using mechanical fittings, depending on the specific application and requirements.

Q: How many meters per ton of steel tube?: Formula of steel tube: (outside diameter wall thickness) * wall thickness *0.02466= per meter weight1000 divided by the weight per metre is how many meters per ton

Q: Can steel pipes be used for underground chemical pipelines?: Yes, steel pipes can be used for underground chemical pipelines. Steel pipes are widely used in various industries, including the chemical industry, due to their durability, strength, and resistance to corrosion. When selecting steel pipes for underground chemical pipelines, it is important to choose the appropriate grade of steel that is resistant to corrosion from the specific chemicals being transported. Additionally, proper coating and lining techniques can further enhance the resistance of steel pipes to chemical corrosion. Regular inspection and maintenance are also necessary to ensure the integrity and safety of the underground chemical pipeline system.

Q: Can steel pipes be used for sewage systems?: Yes, steel pipes can be used for sewage systems. Steel pipes are commonly used in sewage systems due to their durability, strength, and resistance to corrosion. They are particularly suitable for high-pressure applications and can withstand the harsh conditions often found in sewage systems. Additionally, steel pipes are relatively easy to install and maintain, making them a popular choice for sewage infrastructure projects.

Q: What are the different methods of cutting steel pipes?: There are several different methods of cutting steel pipes, including manual methods such as hacksaw or pipe cutter, as well as mechanical methods like band saw, plasma cutting, or laser cutting. Each method has its own advantages and is chosen based on factors such as the thickness of the pipe, precision required, and production volume.

Q: DN150 welded steel tubes one meter multiple: Calculated theoretical weight (Kg) per inch of welded steel pipe = (outside diameter wall thickness) * wall thickness * 0.02466DN150 welded pipe, "150" means nominal diameter of 150mm. Its outer diameter is 165mm.

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