Large diameter longitudinal submerged arc welded pipe API

Large diameter longitudinal submerged arc welded pipe API System 1

Large diameter longitudinal submerged arc welded pipe API

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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. Specification of large diameter longitudinal submerged arc welded pipe:

1)Application: It is widely applied to line pipe in oil and sewage transportation , and it is used in Low pressure liquid and gassy transportation and it is also good Structure pipe in building and bridge field.

2)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

3)Standard:ASTM A53,ASTM A671 ,ASTM A672 .ASTM A252 API 5L (PSL-1,PSL-2) ,API 5L 2B ,2H,2W.DIN1626,DIN17175,DIN1629.JISG 3452,JISG3457/3456,JISG3461.GB 9711.1/SY5037/GB3092

2.Size of large diameter longitudinal submerged arc welded pipe:

OD: 406.4MM-1422MM (16”-56”)

Thickness: 8MM-50.8MM depends on OD

3.Data Sheet for large diameter longitudinal submerged arc welded pipe:

Standard: APISPEC 5L

Mechanical Properties

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
	×42	0.22	1.30	0.025	0.015
	×46,×52,×56, X60	0.22	1.40	0.025	0.015
	X65	0.22	1.45	0.025	0.015
	X70	0.22	1.65	0.025	0.015

4. Packing & Delivery

Packing Detail: bundles with anti-rust painting and with plastic caps

Delivery Term: 30 days after receving payment or L/C

5. Products picture for large diameter longitudinal submerged arc welded pipe:

LSAW carbon welded pipe

carbon LSAW Welded Pipe

LSAW

6. FAQ of large diameter longitudinal submerged arc welded pipe:

①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard, and we take a test
on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

②How about price?
Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,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?
Chose happens because of quality, then price, 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
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

Q: What is the average cost of steel pipes?: The average cost of steel pipes can vary significantly depending on factors such as size, grade, and quantity needed. Therefore, it is difficult to provide a specific average cost without more information.

Q: Are steel pipes suitable for underground oil pipelines?: Yes, steel pipes are suitable for underground oil pipelines. Steel is a common material used for oil pipelines due to its high strength, durability, and resistance to corrosion. Underground oil pipelines are exposed to various external factors such as soil movement, moisture, and chemical substances, and steel pipes are able to withstand these conditions effectively. Additionally, steel pipes can be welded together to create a seamless and continuous pipeline, reducing the risk of leaks or ruptures. Moreover, steel pipes have been used successfully in the oil industry for many years, providing a reliable and cost-effective solution for transporting oil underground.

Q: What are the different sizes of steel pipe nipples?: Steel pipe nipples come in a variety of sizes, ranging from 1/8 inch to 6 inches in diameter.

Q: What are the different types of supports used for aboveground steel pipes?: There are several types of supports used for aboveground steel pipes, including pipe hangers, pipe clamps, pipe shoes, and pipe saddles. These supports are designed to provide stability and prevent excessive movement or sagging of the pipes. They help distribute the weight of the pipes evenly and ensure proper alignment and support throughout their length.

Q: DN80 seamless steel tube, what is the standard thickness?: Commonly used DN80 seamless steel pipe caliber should be 89mm*4mm.

Q: Are steel pipes suitable for nuclear power plants?: Yes, steel pipes are suitable for nuclear power plants. Steel is a commonly used material in the construction of nuclear power plants due to its excellent mechanical properties, high strength, and durability. Steel pipes are used in various applications within these plants, including the transportation of cooling water, hot gases, and steam. The steel used in nuclear power plants is carefully selected and tested to meet stringent safety regulations and quality standards. It is crucial for these pipes to have excellent resistance to corrosion and high-temperature environments, as they are exposed to harsh conditions such as high pressure, high temperatures, and radioactive materials. Furthermore, steel pipes have a long service life and require minimal maintenance, making them a cost-effective choice for nuclear power plants. They can withstand extreme conditions, ensuring the safe and reliable operation of the plant. Additionally, steel pipes can be easily fabricated, installed, and repaired, which is essential for the efficient functioning of a nuclear power plant. Overall, steel pipes are highly suitable for nuclear power plants due to their strength, durability, resistance to corrosion, and ability to withstand extreme conditions.

Q: How to perform nondestructive inspection of steel tubes: The detection principle is based on the ferromagnetic material is magnetized in a magnetic field, discontinuity materials and products (defects) produce leakage magnetic field, magnetic powder adsorption (or detecting) and appear (or on the instrument display). Therefore, this method can only be used for the inspection of the surface or near surface defects of ferromagnetic materials or products.

Q: What are the different methods of threading steel pipes?: There are several methods of threading steel pipes, including manual threading, machine threading, and dielectric threading. Manual threading involves using a manual pipe threader or a handheld die to create the threads on the pipe. Machine threading, on the other hand, utilizes power-driven machines that can thread multiple pipes simultaneously, increasing efficiency and accuracy. Dielectric threading is a specialized method that uses a high-frequency electrical current to generate threads on the pipe, which is commonly used for stainless steel pipes.

Q: What are the different types of steel pipe supports?: There are several types of steel pipe supports, including pipe hangers, pipe clamps, pipe saddles, pipe brackets, and pipe supports with rollers.

Q: What are the different types of steel pipe coatings for corrosion protection?: Some of the different types of steel pipe coatings for corrosion protection include epoxy coatings, polyethylene coatings, polyurethane coatings, and zinc coatings.

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