Structure ERW Welded Pipe API SPEC 5L, API SPEC 5CT, ASTM A53, GB/T9711.1

Structure ERW Welded Pipe API SPEC 5L, API SPEC 5CT, ASTM A53, GB/T9711.1 System 1

Structure ERW Welded Pipe API SPEC 5L, API SPEC 5CT, ASTM A53, GB/T9711.1

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Loading Port:: Tianjin Port

Payment Terms:: TT or LC

Min Order Qty:: 1t m.t.

Supply Capability:: 5000 Tons Per Month m.t./month

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Structure ERW Welded Pipe API SPEC 5L, API SPEC 5CT, ASTM A53, GB/T9711.1

Application of Structure ERW Welded Pipe API SPEC 5L, API SPEC 5CT, ASTM A53, GB/T9711.1：

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).

Package of Structure ERW Welded Pipe API SPEC 5L, API SPEC 5CT, ASTM A53, GB/T9711.1：

bundles with anti-rust painting and with plastic caps

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

API SPEC 5L, API SPEC 5CT, ASTM A53, GB/T9711.1

Steel Grade of Structure ERW Welded Pipe API SPEC 5L, API SPEC 5CT, ASTM A53, GB/T9711.1：

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 Structure ERW Welded Pipe API SPEC 5L, API SPEC 5CT, ASTM A53, GB/T9711.1：

*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

Standard	Grade	C	Mn	P	S
Standard	Grade	Max	Max	Max	Max
GB/T9711.1	L245	0.26	0.15	0.030	0.030
	L290	0.28	1.25	0.030	0.030
	L320, L360	0.30	1.25	0.030	0.030
	L390, L415	0.26	1.35	0.030	0.030
	L450	0.26	1.40	0.030	0.030
	L485	0.23	1.60	0.025	0.030

Standard	Grade	（MPa） Yield strength		（MPa） Tensile Strength		Min(%) Elongation

GB/T9711.2		Rt0.5Min	Rt0.5Max	RmMin	Rt0.5/Rm Max
	L245	245	440		0.80	22
	L245				0.85
	L290	290	440		0.80	21
	L290				0.85
	L360	360	510		0.85	20
	L360				0.85
	L415	415	565		0.85	18
	L415				0.85
	L450	450	570	535	0.87	18
	L485	485	605	570	0.90	18

Standard	Grade	C	Mn	P	S	V	Nb	Ti	CEV
Standard	Grade	Max	Max	Max	Max	Max	Max	Max	Max
GB/T9711.2	L245NB	0.16	1.1	0.025	0.020	-	-	-	0.42
	L290NB	0.17	1.2	0.025	0.020	0.05	0.05	0.04	0.42
	L360NB	0.20	1.6	0.025	0.020	0.10	0.05	0.04	0.45
	L415NB	0.21	1.6	0.025	0.020	0.15	0.05	0.04	-
	L245NB, L290NB	0.16	1.5	0.025	0.020	0.04	0.04	-	0.4
	L360NB	0.16	1.6	0.025	0.020	0.05	0.05	0.04	0.41
	L415NB	0.16	1.6	0.025	0.020	0.08	0.05	0.06	0.42
	L450NB	0.16	1.6	0.025	0.020	0.10	0.05	0.06	0.43
	L485NB	0.16	1.7	0.025	0.020	0.10	0.06	0.06	0.43

Standard: ASTM A53

Mechanical Properties

Standard	Grade	（MPa）	（MPa）
Standard	Grade	Yield strength	Tensile Strength
ASTM A53M	A	205	330
ASTM A53M	B	240	415

Chemical Composition(%)

Standard	Grade	C	Mn	P	S	V	Ni	Cu	Cr	Mo
Standard	Grade	Max	Max	Max	Max	Max	Max	Max	Max	Max
ASTM A53M	A	0.25	0.95	0.05	0.045	0.08	0.4	0.5	0.4	0.15
ASTM A53M	B	0.30	1.20	0.05	0.045	0.08	0.4	0.5	0.4	0.15

Structure ERW Welded Pipe API SPEC 5L, API SPEC 5CT, ASTM A53, GB/T9711.1

Q: How are steel pipes used in the agricultural irrigation systems?: Due to their strength and durability, steel pipes are widely used in agricultural irrigation systems. These pipes effectively transport water from a well or reservoir to the fields where crops are cultivated. One major advantage of using steel pipes in such systems is their ability to withstand high pressure and heavy loads, making them suitable for the transportation of large volumes of water over long distances without the risk of bursting or breaking. Additionally, steel pipes exhibit a high resistance to corrosion, which is crucial in agricultural settings where they may come into contact with fertilizers or other chemicals. Aside from their durability, steel pipes offer a smooth interior surface that minimizes friction and ensures a consistent water flow. This is essential in irrigation systems as it guarantees even water distribution across the fields, promoting optimal crop growth. Moreover, steel pipes can be easily connected and configured to meet the specific layout and requirements of the irrigation system. In summary, steel pipes play a crucial role in agricultural irrigation systems by facilitating the efficient and reliable transportation of water to crops. Their strength, durability, resistance to corrosion, and smooth interior surface make them an ideal choice for these applications.

Q: What are the properties of steel that make it suitable for pipe manufacturing?: Steel is a highly preferred material for pipe manufacturing due to its unique properties. Firstly, steel exhibits exceptional strength and durability, making it capable of withstanding high pressure and extreme temperatures. This strength ensures that steel pipes can safely transport fluids and gases over long distances without the risk of leakage or breakage. Another important property of steel is its resistance to corrosion. Steel pipes are often exposed to various corrosive substances such as water, chemicals, and gases, which can degrade other materials over time. However, steel is highly resistant to corrosion, resulting in long-lasting and reliable pipes. Additionally, steel is a highly versatile material, allowing for various pipe sizes and shapes to be manufactured. Steel pipes can be customized to meet specific project requirements, making them suitable for a wide range of applications such as water supply, oil and gas transmission, sewage systems, and structural support. Moreover, steel is known for its excellent thermal conductivity, which is crucial for applications involving the transportation of hot or cold fluids. Steel pipes efficiently transfer heat, ensuring minimal energy loss during the process. Furthermore, steel is a recyclable material, making it an environmentally friendly option for pipe manufacturing. Steel pipes can be recycled and reused, reducing the need for new raw materials and minimizing waste generation. In conclusion, the properties of strength, durability, corrosion resistance, versatility, thermal conductivity, and recyclability make steel an ideal choice for pipe manufacturing. These properties ensure the reliability, efficiency, and longevity of steel pipes in various industries and applications.

Q: How are steel pipes used in water transportation?: Steel pipes are commonly used in water transportation due to their durability and strength. They can be used for various purposes, such as carrying water from a source to a treatment plant, distributing water to different areas, and even for sewage systems. Steel pipes are highly resistant to corrosion and can withstand high pressure, making them ideal for long-distance water transportation.

Q: How are steel pipes used in LNG terminals?: Steel pipes are used in LNG terminals for various purposes, including the transportation and storage of liquefied natural gas. These pipes are responsible for conveying the LNG from the storage tanks to the regasification units, where it is converted back into its gaseous state for distribution. Steel pipes are preferred for this application due to their strength, durability, and ability to withstand extreme temperatures and pressures. Additionally, these pipes are used for the safe transfer of other fluids and gases within the LNG terminal infrastructure.

Q: How are steel pipes insulated to prevent freezing?: Steel pipes are typically insulated using materials such as foam or fiberglass insulation, which are wrapped around the pipes. This insulation helps to prevent freezing by providing a barrier between the cold temperatures outside and the pipes, thus maintaining the necessary heat inside the pipes to prevent freezing.

Q: How are steel pipes used in the transportation of fluids?: Steel pipes are commonly used in the transportation of fluids due to their durability and strength. They are used to carry various types of liquids and gases, such as water, oil, natural gas, and chemicals. Steel pipes are able to withstand high pressure and temperature, making them ideal for long-distance transportation of fluids. They are widely used in industries like oil and gas, water supply, and sewage systems, providing a reliable and efficient means of fluid transportation.

Q: How are steel pipes used in the construction of tunnels?: Steel pipes are commonly used in the construction of tunnels for various purposes, such as drainage systems, ventilation, and providing structural support. They are used to create efficient and durable drainage systems to manage water flow and prevent flooding in tunnels. Steel pipes are also used for ventilation systems, allowing fresh air to circulate and remove pollutants. Additionally, they can be employed to provide structural support, reinforcing the tunnel walls and ensuring stability and safety.

Q: How are steel pipes used in the construction of solar power plants?: Steel pipes are commonly used in the construction of solar power plants for various purposes. They are primarily utilized for the installation of solar panel mounting structures, which require sturdy and reliable support systems. Steel pipes are also used for the construction of infrastructure such as frames, racks, and supports for the solar panels. Additionally, they are employed in the installation of water and coolant systems, as well as for the transmission of fluids and gases within the plant. Overall, steel pipes play a crucial role in providing structural integrity and efficient functionality to solar power plants.

Q: What are the different types of steel pipe elbows?: There are several different types of steel pipe elbows that are commonly used in various industries and applications. These types include: 1. 90-degree elbows: These elbows have a sharp 90-degree bend and are commonly used when a change in direction is required to redirect the flow of fluid or gas. They are widely used in plumbing, construction, and industrial piping systems. 2. 45-degree elbows: Similar to 90-degree elbows, 45-degree elbows also provide a change in direction but with a smaller angle. They are often used in situations where a more gradual change in flow direction is required. 3. Long radius elbows: Long radius elbows have a larger radius of curvature compared to standard elbows. This design helps to reduce fluid friction and pressure drop, making them suitable for applications that require smoother flow, such as in high-flow systems or those involving viscous fluids. 4. Short radius elbows: In contrast to long radius elbows, short radius elbows have a smaller radius of curvature. They are generally used in tight spaces where a compact design is required, but they can cause higher pressure drops due to increased fluid friction. 5. Reducing elbows: These elbows are used when there is a need to connect pipes of different diameters. They have one end with a larger diameter and the other end with a smaller diameter, allowing for a smooth transition between two pipes of different sizes. 6. Mitered elbows: Mitered elbows are custom-made elbows that are fabricated by cutting and welding multiple sections of pipe at specific angles. They are often used in situations where standard elbows cannot accommodate the required angle or when a unique design is needed. Overall, the selection of the appropriate type of steel pipe elbow depends on factors such as the application, fluid flow requirements, space constraints, and compatibility with the piping system.

Q: How are steel pipes classified based on their wall thickness?: Steel pipes are classified based on their wall thickness into three categories: standard, extra strong, and double extra strong.

The company has successively passed ISO9000 quality system, the American Petroleum Institute API, and also earned the environment healthy license, national special equipment manufacturing license.

1. Manufacturer Overview

Location	Hebei, China
Year Established	1988
Annual Output Value	Above One Hundred Million RMB
Main Markets	Main land; Southeast Asia; Middle East; Africa
Company Certifications	ISO 9002:2010；API 5L

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port	Tianjin
Export Percentage	30%-50%
No.of Employees in Trade Department	201-500 People
Language Spoken:	English; Chinese
b) Factory Information
Factory Size:	50,000 square meters
No. of Production Lines	Above 15
Contract Manufacturing	Meicai Metal Trading Co.Ltd
Product Price Range	Average