Model and Diverse Range of Welded Pipe for Your Cooperation

Model and Diverse Range of Welded Pipe for Your Cooperation

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Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 5 m.t.

Supply Capability:: 4000 m.t./month

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Product Description:

It is widely applied to line pipe and casing and tubing in oil transportation and casing field, and it is used in Low,high pressure liquid and gassy transportation and it is also good Structure pipe (for furniture, window, door, building , bridge, mechanical etc).

Standard of ERW Welded Pipes: API SPEC 5L, API SPEC 5CT, ASTM A53, GB/T9711.1

Steel Grade of ERW Welded Pipes:API SPEC 5L: B, X42, X46, X52, X56, X60, X65

API SPEC 5CT: J55, K55, N80, L80-1

ASTM A53: A, B, C

GB/T9711.1:L242、L290、L320、L360、L390、L415、L450

Sizes of ERW Welded Pipes:

Standard: GB/9711.1

Mechanical Properties

Remark: Besides below sizes, we also can arrange production based on requirement of customers

OD		WT			WEIGHT
INCH	MM	SCH	MM	INCH	KG/M	LB/INCH
1 1/2”	48.3	STD-40	3.68	0.145	4.09	2.75
1 1/2”	48.3	XS-80	5.08	0.2	5.47	3.68
2”	60.3	STD-40	3.91	0.154	5.49	3.69
2”	60.3	XS-80	5.54	0.218	7.56	5.08
2 1/2”	73	STD-40	5.16	0.203	8.72	5.86
2 1/2”	73	XS-80	7.01	0.276	11.52	7.74
3”	88.9	STD-40	5.49	0.216	11.41	7.67
3”	88.9	XS-80	7.62	0.3	15.43	10.37
3 1/2”	101.6	STD-40	5.74	0.226	13.71	9.21
3 1/2”	101.6	XS-80	8.08	0.318	18.83	12.65
4”	114.3	STD-40	6.02	0.237	16.24	10.91
4”	114.3	XS-80	8.56	0.337	22.55	15.15
5”	141.3	STD-40	6.55	0.258	21.99	14.78
5”	141.3	XS-80	9.53	0.375	31.28	21.02
6”	168.3	STD-40	7.11	0.28	28.55	19.19
6”	168.3	XS-80	10.97	0.432	42.99	28.89
8”	219.1	STD-40	8.18	0.322	42.98	28.88
8”	219.1	XS-80	12.7	0.5	65.3	43.88
10”	273	STD-40	9.27	0.365	60.9	40.92
10”	273	80	15.09	0.594	96.95	65.15
12”	323.8	STD	9.53	0.375	74.61	50.13
12”	323.8	40	10.31	0.406	80.51	54.1
12”	323.8	XS	12.7	0.5	98.42	66.14
12”	323.8	80	17.48	0.688	133.38	89.63
14”	355.6	40	11.13	0.438	95.51	64.18
14”	355.6	XS	12.7	0.5	108.48	72.9
14”	355.6	80	19.05	0.75	159.71	107.32
16”	406.4	XS-40	12.7	0.5	124.55	83.69
18”	457	STD	9.53	0.375	106.23	71.38
18”	457	40	14.27	0.562	157.38	105.75
18”	457	80	23.83	0.938	257.13	172.78
20”	508	40	15.09	0.594	185.28	124.5
20”	508	80	26.19	1.031	314.33	211.22

FAQ of 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.

Any question, pls feel free to contact us !

Welded Pipe Images：

Model and Diverse Range of Welded Pipe for Your Cooperation

Q:How are steel pipes used in the manufacturing of marine applications?: Steel pipes are commonly used in the manufacturing of marine applications due to their durability and resistance to corrosion. They are used for various purposes such as constructing ship hulls, offshore platforms, and underwater pipelines. These pipes provide structural support and can withstand the harsh conditions of the marine environment, making them essential components in the manufacturing process of marine applications.

Q:How do you calculate the pipe flow rate for steel pipes?: To calculate the pipe flow rate for steel pipes, you can use the Hazen-Williams equation or the Darcy-Weisbach equation. These equations take into consideration factors such as the pipe diameter, length, roughness, and the pressure difference between the two ends of the pipe. By plugging in these values into the respective equation, you can determine the flow rate of the fluid passing through the steel pipe.

Q:Can steel pipes be used for automotive applications?: Indeed, automotive applications do involve the utilization of steel pipes. In the automotive industry, steel pipes find frequent application in exhaust systems, fuel lines, and hydraulic systems, among other purposes. The key attributes of steel pipes, such as their remarkable strength, durability, and resistance to corrosion, render them well-suited for enduring the challenging conditions and requirements of automotive applications. Moreover, steel pipes offer the added advantage of being effortlessly shaped and welded, facilitating customization and simplified installation. All in all, steel pipes offer a dependable and economically viable solution for automotive applications.

Q:Can steel pipes be recycled?: Yes, steel pipes can be recycled. Steel is one of the most commonly recycled materials in the world, and steel pipes can be melted down and reused to make new steel products. Recycling steel pipes helps conserve natural resources and reduces the environmental impact of manufacturing new steel.

Q:How are steel pipes used in the construction of natural gas power plants?: Steel pipes are used in the construction of natural gas power plants for various purposes, including transporting and distributing the natural gas. These pipes are used to connect the gas supply to different components of the power plant, such as turbines, boilers, and generators, ensuring a reliable and efficient flow of gas throughout the facility. Additionally, steel pipes are also used in the construction of the power plant's infrastructure, such as the cooling systems, exhaust systems, and other equipment that require durable and corrosion-resistant materials.

Q:What material is RHS in the steel tube?: RHS is a rectangular hollow section steel. The RHS structure represents a rectangular hollow section steel.

Q:What are the quality control measures for steel pipe production?: Quality control measures for steel pipe production typically involve various inspections and tests at different stages of the manufacturing process. Some of the key measures include: 1. Raw material inspection: Ensuring that the steel used for pipe production meets specified standards for chemical composition, mechanical properties, and dimensional accuracy. 2. Dimensional inspection: Checking the outer diameter, wall thickness, and length of the pipes to ensure they meet the required specifications. 3. Welding inspection: Verifying the quality of welds by conducting non-destructive tests, such as ultrasonic or radiographic testing, to detect any defects or discontinuities. 4. Surface inspection: Examining the pipe surface for any defects, such as scratches, pits, or corrosion, which can affect the overall quality and performance. 5. Mechanical testing: Performing tests like tensile strength, yield strength, and impact resistance to assess the mechanical properties of the pipes and ensure they meet the desired standards. 6. Pressure testing: Subjecting the pipes to hydrostatic or pneumatic pressure tests to verify their ability to withstand the intended operational pressures without leakage or failure. 7. Coating inspection: Checking the quality and uniformity of any protective coatings or linings applied to the pipes to prevent corrosion or other forms of deterioration. 8. Documentation and traceability: Maintaining records of all inspections, tests, and certifications to provide traceability and ensure compliance with relevant industry standards and customer requirements. These quality control measures help to ensure that steel pipes are manufactured to the highest standards, possess the required mechanical and dimensional properties, and are fit for their intended application.

Q:How are steel pipes used in the manufacturing of furniture and appliances?: Steel pipes are commonly used in the manufacturing of furniture and appliances due to their strength, durability, and versatility. One of the main uses of steel pipes in furniture manufacturing is for constructing the frames or structures of various pieces, such as chairs, tables, and beds. These pipes are often used as the primary support system, providing a sturdy and reliable foundation for the furniture. In appliances, steel pipes are utilized for various purposes. They are commonly employed in the manufacturing of kitchen appliances, such as stoves, ovens, and refrigerators, to create the internal framework and support the weight of the appliance. Steel pipes are also frequently used in the production of washing machines, dryers, and dishwashers to transport water and other fluids throughout the appliance. Furthermore, steel pipes are utilized in the manufacturing of outdoor furniture and equipment, where weather resistance and durability are crucial. These pipes are often coated with protective materials to prevent rust and corrosion, ensuring the longevity of the furniture and appliances. Overall, steel pipes play a vital role in the manufacturing of furniture and appliances, providing the necessary strength and support required for these items. Their versatility allows for various applications, making them an essential component in the production process of these goods.

Q:Are steel pipes suitable for underground nuclear waste storage?: Steel pipes are not suitable for underground nuclear waste storage. While steel is a strong and durable material, it is not resistant to corrosion when exposed to certain types of nuclear waste. Over time, the radioactive materials can corrode the steel pipes, leading to potential leaks and contaminating the surrounding environment. Additionally, steel pipes are not designed to withstand the extreme temperatures and pressures that can occur in nuclear waste storage facilities. Therefore, alternative materials such as corrosion-resistant alloys or concrete are typically used for underground nuclear waste storage to ensure the containment and isolation of the hazardous materials.

Q:Seamless steel tube DN15 specification phi 18*3 what do you mean?: Seamless steel pipe having a hollow cross section, used as a conduit for conveying fluids, such as pipelines for transporting petroleum, natural gas, gas, water, and certain solid materials. Compared with solid steel such as round steel, steel tube is lighter in strength and equal in resistance to bending and torsion. It is an economical cross section steel and is widely used in the manufacture of structural and mechanical parts.

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