High Quality ASTM A53 ERW Welded Steel Pipe

High Quality ASTM A53 ERW Welded Steel Pipe System 1

High Quality ASTM A53 ERW Welded Steel Pipe

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Loading Port:: China Main Port

Payment Terms:: TT or L/C

Min Order Qty:: 50MT m.t.

Supply Capability:: based on order m.t./month

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ERW Welded Steel Pipes

Application of High Quality ASTM A53 ERW Welded Steel Pipe

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: bundles with anti-rust painting and with plastic caps

Standard of High Quality ASTM A53 ERW Welded Steel Pipe

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

SteelGrade of High Quality ASTM A53 ERW Welded Steel Pipe

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 pipes of High Quality ASTM A53 ERW Welded Steel Pipe

*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: GB/9711.1

Mechanical Properties of High Quality ASTM A53 ERW Welded Steel Pipe

Standard	Grade	（MPa）	（MPa）	Min(%)
Standard	Grade	Yield strength	Tensile Strength	Elongation
GB/T9711.1	L245	≥245	≥415	21
	L290	≥290	≥415	21
	L320	≥320	≥435	20
	L360	≥360	≥460	19
	L390	≥390	≥490	18
	L415	≥415	≥520	17
	L450	≥450	≥535	17
	L485	≥485	≥570	17

Chemical Composition(%) of High Quality ASTM A53 ERW Welded Steel Pipe

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: GB/9711.2

Mechanical Properties of High Quality ASTM A53 ERW Welded Steel Pipe

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

Chemical Composition (%) of High Quality ASTM A53 ERW Welded Steel Pipe

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 of High Quality ASTM A53 ERW Welded Steel Pipe

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

Chemical Composition(%) of High Quality ASTM A53 ERW Welded Steel Pipe

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

High Quality ERW ASTM A53 Welded Steel Pipe

Q: What are the different methods of pipe cutting for steel pipes?: There exists a variety of techniques for cutting steel pipes, each tailored to specific circumstances and demands. Some of the most prevalent techniques are as follows: 1. Manual Pipe Cutters: These handheld tools are frequently employed for cutting smaller steel pipes. They typically feature a rotating cutting wheel that gradually creates a groove until the pipe is severed. Portable and relatively user-friendly, manual pipe cutters are suitable for on-site cutting tasks. 2. Hacksaw: The use of a hacksaw is a traditional and cost-effective means of cutting steel pipes. This method requires physical exertion and time; however, it can effectively cut pipes with smaller diameters. It is crucial to use a fine-toothed blade and apply steady pressure to ensure a clean and precise cut. 3. Reciprocating Saw: Also known as a sawzall, the reciprocating saw is a power tool that employs a back-and-forth cutting motion to swiftly and efficiently cut through steel pipes. These versatile saws can accommodate different types of blades to handle various pipe sizes and thicknesses. 4. Band Saw: Band saws are commonly employed in industrial settings for the purpose of cutting large steel pipes. These saws feature a continuous loop of teethed metal blade that moves on wheels, enabling precise and rapid cutting. Band saws are ideal for cutting large-diameter pipes and can be operated manually or fully automated for high-volume cutting tasks. 5. Pipe Cutting Machines: Pipe cutting machines are often utilized to achieve precise and consistent cuts. These machines are designed to cut steel pipes swiftly and accurately, making them suitable for large-scale industrial applications. Depending on the machine and requirements, various cutting methods like abrasive cutting, flame cutting, or plasma cutting can be employed. It is important to note that the selection of a pipe cutting method depends on factors such as pipe diameter, thickness, location, precision requirements, and available resources. It is imperative to adhere to proper safety precautions when working with any cutting method to prevent injury or damage to the pipes.

Q: What are the different sizes of steel pipe nipples?: The sizes of steel pipe nipples vary depending on their intended use and application. Common sizes include 1/8", 1/4", 3/8", 1/2", 3/4", 1", 1 1/4", 1 1/2", and 2". However, there are many other sizes available to cater to specific needs and requirements.

Q: Can steel pipes be used for underground sewerage systems?: Yes, steel pipes can be used for underground sewerage systems. Steel pipes are commonly used in underground sewerage systems due to their durability, strength, and resistance to corrosion. They can withstand the weight of the soil and provide a long-lasting solution for transporting wastewater underground. Additionally, steel pipes are often preferred for larger diameter sewerage systems where high strength and structural integrity are crucial.

Q: How do you calculate the pipe deflection for steel pipes?: To calculate the pipe deflection for steel pipes, you need to consider several factors. The deflection of a pipe is the bending or displacement that occurs when a load is applied to it. Here are the steps to calculate the pipe deflection: 1. Determine the properties of the steel pipe: You need to know the material properties of the steel pipe, including its Young's modulus (E) and its moment of inertia (I). Young's modulus represents the stiffness of the material, while the moment of inertia measures its resistance to bending. 2. Identify the load applied: Determine the type and magnitude of the load that will be applied to the pipe. This could include factors such as internal pressure, external loads, or thermal expansion. 3. Use the appropriate formula: Depending on the type of load and the support conditions of the pipe, you will need to use the appropriate formula to calculate the deflection. For example, if the pipe is simply supported (fixed at both ends), you can use the formula δ = (5 * w * L^4) / (384 * E * I), where δ represents the deflection, w is the load per unit length, L is the length of the pipe, and E and I are the material properties mentioned earlier. 4. Input the values and calculate: Plug in the values of the load, pipe length, and material properties into the formula. By doing so, you can calculate the deflection of the steel pipe. It is important to note that the calculation of pipe deflection is a complex process that requires expertise in structural engineering. Therefore, it is advisable to consult a professional engineer or use specialized software for accurate and reliable results.

Q: How do you determine the maximum allowable stress for steel pipes?: To determine the maximum allowable stress for steel pipes, several factors need to be considered. These factors include the type of steel, the pipe's dimensions, and the operating conditions under which the pipe will be used. Firstly, the type of steel plays a crucial role in determining the maximum allowable stress. Different grades of steel have varying mechanical properties, including yield strength, tensile strength, and elongation. These properties define the material's ability to withstand stress before deformation or failure. Therefore, understanding the specific grade of steel used in the pipes is vital in determining the maximum allowable stress. Secondly, the dimensions of the pipe are essential. The outer diameter, wall thickness, and length all influence the pipe's strength and ability to handle stress. By calculating the cross-sectional area and moment of inertia, engineers can determine the pipe's resistance to bending and axial stresses. These calculations, along with the material properties, help establish the maximum allowable stress. Lastly, the operating conditions under which the pipe will be subjected to are critical. Factors such as temperature, pressure, and the presence of corrosive substances can significantly impact a steel pipe's maximum allowable stress. Elevated temperatures can affect the steel's mechanical properties, while high pressures can induce additional stress. The presence of corrosive substances can lead to material degradation and decrease the pipe's strength. Considering these operational factors is crucial in determining the maximum allowable stress. To sum up, determining the maximum allowable stress for steel pipes involves considering the specific grade of steel, the pipe's dimensions, and the operating conditions. By analyzing these factors, engineers can ensure that the steel pipe is designed and used within its safe stress limits.

Q: What are the different types of couplings used with steel pipes?: There are several types of couplings commonly used with steel pipes, including threaded couplings, slip-on couplings, welding couplings, and flanged couplings. Each type of coupling has its own specific method of connection and is chosen based on the requirements of the application and the pipe system.

Q: Can steel pipes be used for pharmaceutical manufacturing?: Yes, steel pipes can be used for pharmaceutical manufacturing. Steel pipes are commonly used in various industries, including pharmaceutical manufacturing, due to their durability, strength, and resistance to corrosion. In pharmaceutical manufacturing, steel pipes are primarily used for fluid transportation, such as the transfer of chemicals, solvents, and other raw materials. They are also used for the distribution of process water, steam, and other utilities. Stainless steel pipes are particularly preferred in pharmaceutical manufacturing as they are highly resistant to corrosion and can withstand high temperatures and pressures. Moreover, stainless steel pipes have smooth surfaces, which prevent the accumulation of particles and facilitate easy cleaning and sterilization, essential requirements in pharmaceutical production. Overall, steel pipes are a reliable and suitable option for pharmaceutical manufacturing due to their robustness, resistance to corrosion, and ability to meet the stringent cleanliness and hygiene standards of the industry.

Q: 20# seamless steel pipe and seamless steel pipe 20G what is the difference?: The difference is: 20# ordinary steel seamless steel pipe. 20G is the type of steel for high pressure boiler tubes.

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: Can steel pipes be used for paper mills?: Yes, steel pipes can be used for paper mills. Steel pipes are often used in paper mills for various applications such as transporting water, steam, chemicals, and pulp. They are preferred for their durability, resistance to corrosion, and ability to handle high pressure and temperature conditions commonly found in paper mill operations.

As the largest strip-steel production base in china, we can get the advantage of having the lowest goods transport cost. Our company covers an area of 80000 square meter, and transportation here is very convenient. We are mainly engaged in the manufacture and management of high frequency straight seam welded pipe. We now have 11 welded pipe production lines, with daily output of2800-3000 tons of welded pipe ranging from DN15--DN200 (1/2--8 inch),and the designed annual production capacity of 800,000 tons.

1. Manufacturer Overview

Location	Hebei,China
Year Established	2005
Annual Output Value	Above 100 Million RMB
Main Markets	Main land;Middle East;Southeast Asia
Company Certifications	ISO9001

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port	Tianjin；Qingdao
Export Percentage	41% - 50%
No.of Employees in Trade Department
Language Spoken:	English；Chinese；Korean
b) Factory Information
Factory Size:	120mu
No. of Production Lines	11
Contract Manufacturing	OEM Service Offered；Design Service Offered
Product Price Range	High Average