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: Are steel pipes suitable for wastewater treatment facilities?: Yes, steel pipes are suitable for wastewater treatment facilities. Steel pipes are known for their durability, strength, and resistance to corrosion, making them ideal for handling the corrosive and harsh nature of wastewater. Additionally, steel pipes can withstand high pressure and temperature variations, ensuring the efficient and reliable transportation of wastewater within the facility.

Q: Is steel pipe made of profiles?: Large steel: large steel, I-beam, channel steel, angle steel and flat steel are hot rolled, round bar, Fang Gang, six angle iron in addition to hot rolling, there are forging, cold drawn and so on.

Q: What is the flexibility of steel pipes?: Steel pipes are known for their exceptional flexibility, making them highly versatile and suitable for a wide range of applications. The flexibility of steel pipes refers to their ability to bend and withstand various forms of stress without breaking or deforming. This flexibility is primarily due to the inherent properties of steel, such as its high tensile strength and ductility. Steel pipes can be bent and formed into different shapes without compromising their structural integrity. This allows for easier installation and routing around obstacles, making them more adaptable for complex plumbing or piping systems. Additionally, the flexibility of steel pipes enables them to withstand external forces, such as ground movements or temperature fluctuations, without experiencing significant damage. The flexibility of steel pipes also makes them suitable for applications that require dynamic movement or expansion. For instance, in oil and gas pipelines or in heating and cooling systems, where temperature variations can cause expansion and contraction, steel pipes are able to accommodate these changes without causing leaks or failures. Furthermore, the flexibility of steel pipes contributes to their durability and longevity. The ability to withstand bending and stress helps prevent the formation of cracks or fractures that can lead to leaks or structural failures. This characteristic makes steel pipes a reliable choice for demanding environments, including high-pressure systems or corrosive conditions. In summary, the flexibility of steel pipes is a crucial attribute that allows for easy installation, adaptability to various conditions, and long-term reliability. With their exceptional flexibility, steel pipes are widely preferred in numerous industries and applications where strength, durability, and versatility are essential.

Q: What is the difference between steel pipes and cast iron pipes?: The main difference between steel pipes and cast iron pipes lies in their composition and durability. Steel pipes are made from an alloy of iron and carbon, which results in a strong and durable material. They are highly resistant to corrosion and can withstand high pressure and temperature. On the other hand, cast iron pipes are made from molten iron and have a higher carbon content. While they are also durable and have good pressure-bearing capabilities, they are more prone to rust and corrosion over time. Additionally, cast iron pipes are typically heavier and more brittle compared to steel pipes.

Q: What are the different methods of welding steel pipes?: There are several different methods of welding steel pipes, including shielded metal arc welding (SMAW), gas tungsten arc welding (GTAW), gas metal arc welding (GMAW), flux-cored arc welding (FCAW), and submerged arc welding (SAW). Each method has its own advantages and is suitable for different applications and pipe sizes.

Q: Can steel pipes be used for underground fuel storage systems?: Yes, steel pipes can be used for underground fuel storage systems. Steel pipes are commonly used for underground fuel storage due to their durability, strength, and resistance to corrosion. Additionally, steel pipes can be easily welded and sealed, ensuring a secure storage system for fuels.

Q: What is the role of steel pipes in the chemical manufacturing industry?: Steel pipes play a crucial role in the chemical manufacturing industry as they are used for the transportation of various chemicals, both liquids and gases. The durability and resistance to corrosion of steel make it an ideal material for these pipes, ensuring the safe and efficient transfer of hazardous substances. Additionally, steel pipes are able to withstand high pressure and temperature conditions, allowing for the smooth operation of chemical processes.

Q: Can steel pipes be used for offshore applications?: Steel pipes are suitable for offshore applications. They are commonly employed in offshore industries due to their durability, strength, and resistance to corrosion. In offshore settings, such as oil and gas exploration, drilling, production, and fluid and gas transportation, steel pipes are frequently necessary. These pipes are specifically designed to endure harsh and corrosive conditions found offshore, which include exposure to saltwater, extreme temperatures, and high pressure. Moreover, steel pipes can be manufactured to meet specific requirements for offshore projects, guaranteeing safety and dependability in terms of size, thickness, and material grade. In summary, steel pipes are a dependable and extensively utilized option for offshore applications.

Q: Are steel pipes suitable for underground nuclear waste storage?: Yes, steel pipes are suitable for underground nuclear waste storage. Steel pipes are known for their durability, strength, and resistance to corrosion, making them an ideal choice for safely containing and transporting nuclear waste underground. Additionally, steel pipes can withstand the high pressures and temperatures associated with nuclear waste, ensuring the integrity of the storage system.

Q: What does "buried steel pipe" 6*2SC100 mean?: The embedded steel pipe 6*2SC100 refers to a welded steel pipe with 2 pipe thicknesses of 6mm and a diameter of 100mm. SC pipe means welded steel pipe. Embedment means pre installation (burial).

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