Many varieties of large diameter longitudinal submerged arc welded Pipe

Many varieties of large diameter longitudinal submerged arc welded Pipe System 1

Many varieties of large diameter longitudinal submerged arc welded Pipe

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 6000 m.t./month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

You Might Also Like

Seamless Steel Tubes For Elevated Temperatures

ASTM 53 ERW welded pipes--Tube and Pipe

Oil Tubing / Petroleum Pipe

Hot-rolled seamless steel tubes for hydraulic pillar service

Seamless Steel Pipe of Top Supplier

API High Pressure Alloy Steel Pipe from cnbm

Seamless Balck Tube ASTM A106/API 5L/ASTM A53 GRADE B

Seamless black steel pipe API,GB,ASTM,ASME,DIN

Product Description:

1.Specification of large diameter longitudinal submerged arc welded pipe:

1)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)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.

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.large diameter longitudinal submerged arc welded pipe size:

OD: 406.4MM-1422MM (16”-56”)

Thickness: 8MM-50.8MM depends on OD

3. Mechanical Properties and Chemical Composition for large diameter longitudinal submerged arc welded pipe:

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 for pipes:

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

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

5. Products pictures 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: How do you determine the required support spacing for steel pipes?: The required support spacing for steel pipes is determined by considering various factors such as the pipe diameter, material strength, operating conditions, and local building codes and regulations. One of the primary considerations is the pipe's diameter. Larger diameter pipes generally require more frequent support than smaller diameter pipes to prevent excessive deflection and sagging. The material strength of the pipe is also important, as stronger pipes can span longer distances without additional support. The operating conditions of the pipe, such as the fluid being transported and the temperature, can also impact the required support spacing. For example, pipes carrying heavy or corrosive fluids may need more frequent support to prevent excessive stress and potential failure. Local building codes and regulations often provide specific guidelines for the minimum support spacing for steel pipes. These codes may take into account factors such as the pipe diameter, material strength, and operating conditions, as well as safety considerations and structural requirements. In general, it is essential to consult relevant codes, standards, and engineering guidelines to determine the required support spacing for steel pipes accurately. Additionally, working with qualified engineers and professionals experienced in pipe design and installation can ensure that the support spacing meets all necessary requirements and ensures the safe and efficient operation of the piping system.

Q: How do steel pipes perform in extreme temperature variations?: Steel pipes perform well in extreme temperature variations due to their high thermal conductivity and low thermal expansion coefficient. This allows them to efficiently transfer heat and withstand the expansion and contraction caused by temperature fluctuations without compromising their structural integrity.

Q: What are the different types of fittings used with steel pipes?: There are several types of fittings used with steel pipes, including elbow fittings, tee fittings, coupling fittings, union fittings, and flange fittings.

Q: Are steel pipes suitable for fire protection systems?: Yes, steel pipes are suitable for fire protection systems. They are widely used due to their durability, strength, and resistance to high temperatures. Steel pipes can efficiently transport water or fire suppressants to extinguish fires effectively, making them a reliable choice for fire protection installations in various buildings and industrial settings.

Q: Galvanized steel pipe, PPR pipe, PE pipe, U-PVC pipe and HDPE double wall corrugated pipe and what is the difference between the characteristics of: PE pipe, polyethylene pipe, the past is also commonly used in low temperature water, but because of its short life now use less prone to aging, more PE material for the production of plastic bags;

Q: What place must use galvanized steel pipe to make lighting line?: Zinc plating has the advantages of uniform coating, strong adhesion, long service life and so on. The plating solution of galvanized steel matrix and melting the occurrence of complex physical and chemical reaction, the formation of the structure corrosion resistance of Zn Fe alloy layer closely. The alloy layer is integrated with the pure zinc layer and the steel pipe matrix. Therefore, corrosion resistance, submit amendmentsTherefore, under the water or the environment is more humid, it is recommended to use galvanized steel pipe to make the lighting pipe.

Q: What are the different types of coatings used for internal lining of steel pipes?: There are several types of coatings used for the internal lining of steel pipes, including epoxy coatings, polyurethane coatings, cement mortar coatings, and thermoplastic coatings. These coatings help to protect the steel pipes from corrosion, increase their lifespan, and improve the flow of fluids through the pipes.

Q: Can steel pipes be used for gas transmission pipelines?: Yes, steel pipes can be used for gas transmission pipelines. Steel pipes are commonly used in the construction of gas transmission pipelines due to their durability, strength, and resistance to corrosion. Additionally, steel pipes can withstand high pressure and extreme temperatures, making them suitable for the transportation of natural gas over long distances.

Q: How are steel pipes connected to other materials like concrete or plastic?: Steel pipes can be connected to other materials like concrete or plastic through various methods such as welding, flanges, threaded connections, or using specialized fittings. These connections ensure a secure and durable bond between the steel pipe and the other material, allowing for effective transfer of fluids or structural support.

Q: How are steel pipes used in the construction of underground parking garages?: Steel pipes are commonly used in the construction of underground parking garages for various purposes. They serve as structural supports, providing stability and strength to the overall structure. Steel pipes are also used for drainage systems, allowing for efficient disposal of water and preventing flooding. Additionally, they are utilized for the installation of utilities such as water, gas, and electrical lines, ensuring easy access and maintenance. Overall, steel pipes play a crucial role in the construction of underground parking garages by offering durability, functionality, and reliability.

Send your message to us

*Email

*TEL

*Quantity

*Unit