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:Can steel pipes be used for geothermal energy systems?: Yes, steel pipes can be used for geothermal energy systems. Steel pipes are commonly used in geothermal energy systems due to their strength, durability, and resistance to high temperatures and corrosion. They are able to withstand the harsh underground conditions and are suitable for transporting the geothermal fluid from the heat source to the surface for energy extraction.

Q:Is the seamless steel pipe used in the market hot or cold drawn?: Seamless pipe hot rolling, cold rolling, cold drawn three kinds. Among them, the amount of hot rolling, the largest quantity, the price is relatively cheap. Precision, roughness, mechanical properties, cold drawn and cold rolled are better. Of course, the specific use of your requirements, not expensive

Q:Are steel pipes suitable for use in chemical plants?: Yes, steel pipes are suitable for use in chemical plants. Steel pipes offer excellent resistance to corrosion, high durability, and can withstand high temperatures and pressures commonly found in chemical processing. Additionally, steel pipes can be easily welded, making them versatile for various chemical applications.

Q:What are the common standards for coating and lining of steel pipes?: The most common standards for coating and lining of steel pipes include the American Petroleum Institute (API) standards such as API 5L, API 5CT, and API 5LD. Other widely recognized standards include the American Water Works Association (AWWA) standards such as AWWA C210 and AWWA C213, as well as the National Association of Corrosion Engineers (NACE) standards such as NACE RP0188 and NACE RP0394. These standards ensure the proper selection, application, and performance of coatings and linings to protect steel pipes from corrosion and other external factors.

Q:Can steel pipes be bent or shaped?: Yes, steel pipes can be bent or shaped using various methods such as cold bending, hot bending, or using hydraulic or mechanical equipment.

Q:How are steel pipes tested for quality?: Steel pipes are tested for quality through various methods such as visual inspections, dimensional measurements, and various mechanical and chemical tests. These tests include assessing the pipe's surface finish, checking for any defects or cracks, measuring its dimensions, conducting tensile and impact tests, and analyzing its composition. Additionally, non-destructive testing techniques like ultrasonic testing, radiography, and magnetic particle inspection are employed to ensure the pipes meet the required quality standards.

Q:What is the difference between steel pipe and aluminum pipe?: The main difference between steel pipe and aluminum pipe lies in their composition and physical properties. Steel pipes are primarily made of iron and carbon, with other elements added to enhance their strength and corrosion resistance. On the other hand, aluminum pipes are made entirely of aluminum, which is a lightweight and highly corrosion-resistant metal. One significant distinction between steel and aluminum pipes is their weight. Steel is a denser material compared to aluminum, meaning that steel pipes are generally heavier and sturdier. This characteristic makes steel pipes suitable for applications requiring higher structural strength and load-bearing capabilities. Aluminum pipes, on the other hand, offer distinct advantages due to their lightweight nature. They are around one-third the weight of steel pipes, making them easier to handle, transport, and install. This lightweight property also makes aluminum pipes more suitable for applications where weight reduction is crucial, such as in aerospace and automotive industries. Another crucial aspect to consider is corrosion resistance. Steel pipes are prone to rusting and corrosion, especially when exposed to moisture or corrosive environments. To combat this, steel pipes are often coated with protective layers or galvanized to enhance their resistance to corrosion. Aluminum pipes, on the other hand, have excellent natural corrosion resistance due to the formation of a thin layer of aluminum oxide on their surface. This oxide layer acts as a protective barrier, preventing further corrosion and degradation. Cost is another factor to consider when comparing steel and aluminum pipes. Steel pipes are generally more cost-effective compared to aluminum pipes, primarily due to the lower cost of raw materials and manufacturing processes involved. However, it is essential to consider the specific requirements and durability needed for the intended application, as the long-term maintenance costs and lifespan of steel and aluminum pipes may vary. In summary, the difference between steel and aluminum pipes can be summarized based on their weight, strength, corrosion resistance, and cost. Steel pipes are heavier, stronger, and more prone to rusting and corrosion but are generally more cost-effective. Aluminum pipes are lightweight, corrosion-resistant, and costlier but offer advantages in weight reduction and specific applications where corrosion resistance is crucial. Ultimately, the choice between steel and aluminum pipes depends on the specific needs of the project and the desired properties for optimal performance.

Q:How are steel pipes measured and specified?: Several key parameters are used to measure and specify steel pipes. These parameters include the outer diameter (OD), wall thickness, and length of the pipe. The outer diameter is the measurement of the pipe's outside surface from one end to the other. It is typically expressed in millimeters or inches and plays a critical role in determining the pipe's strength and carrying capacity. Different applications require different OD sizes, which can range from a few millimeters to several feet. The wall thickness refers to the distance between the pipe's outer and inner surfaces. It is measured in millimeters or inches and is crucial for determining the pipe's durability and resistance to pressure. Thicker walls can handle higher pressure, making them suitable for applications that require transporting liquids or gases under high pressure. Steel pipes are generally specified in meters or feet for their length. Standard pipe lengths are often 6 or 12 meters (20 or 40 feet), but custom lengths can be requested based on project requirements. It is important to note that longer pipes may require additional support to prevent sagging or structural issues. In addition to these primary measurements, steel pipes may also be specified based on other factors such as material grade, manufacturing standard, and surface finish. Material grade refers to the quality and composition of the steel used in the pipe, determining its strength and corrosion resistance. Manufacturing standards, such as ASTM or API, ensure that the pipes meet specific quality and performance criteria. Surface finish specifications may include factors like galvanized coating, providing protection against corrosion or other specific requirements based on the intended application. Overall, the measurement and specification of steel pipes involve considering the outer diameter, wall thickness, length, material grade, manufacturing standard, and surface finish. These parameters are crucial in determining the suitability of the pipe for various applications and ensuring its performance and durability in different environments.

Q:Why should the weak electricity be pre buried with galvanized steel pipe?: Galvanized steel pipe with hot-dip galvanizing or galvanized coating on it. Galvanizing can increase the corrosion resistance and prolong the service life of the steel pipe. The use of galvanized pipe is very wide, except for water, gas, oil and other general low pressure fluid pipeline, is used in petroleum industry especially offshore oil well pipe and oil pipe, chemical coking equipment oil heater, cooler, oil pipe exchanger for coal distillation, and support piles, Zhanqiao mine tunnel the tubes.

Q:What is the difference between steel pipes and FRP pipes?: Steel pipes and FRP (Fiber Reinforced Plastic) pipes are two different types of pipes that are commonly used in various industries and applications. Here are the key differences between the two: 1. Material Composition: Steel pipes are made of steel, which is an alloy of iron and carbon, with additional elements like manganese, silicon, and traces of other metals. On the other hand, FRP pipes are composed of a polymer matrix reinforced with fibers, such as glass or carbon fibers. 2. Strength and Durability: Steel pipes are known for their high strength and durability. They can withstand high pressures, heavy loads, and extreme temperatures. FRP pipes, although strong and durable, are comparatively lighter in weight and may not have the same level of strength as steel pipes. However, they are corrosion-resistant and have a longer lifespan in corrosive environments. 3. Corrosion Resistance: Steel pipes are prone to corrosion and require protective coatings or linings to prevent rust and deterioration. FRP pipes, on the other hand, are inherently corrosion-resistant. They do not require additional coatings and are suitable for transporting corrosive fluids or operating in corrosive environments. 4. Installation and Maintenance: Steel pipes require specialized welding or threading techniques for installation. They can be more labor-intensive and time-consuming to install, especially in complex or large-scale projects. FRP pipes, on the other hand, are lightweight and can be easily transported and installed. They often come in pre-fabricated sections, making installation faster and less labor-intensive. Additionally, FRP pipes require minimal maintenance compared to steel pipes. 5. Cost: Steel pipes are generally more expensive than FRP pipes due to the higher cost of raw materials and the need for additional corrosion protection measures. FRP pipes offer a cost-effective alternative, especially in applications where corrosion resistance is essential, as they eliminate the need for expensive coatings or linings. Overall, the choice between steel pipes and FRP pipes depends on the specific requirements of the application. Steel pipes are preferred for their high strength, while FRP pipes offer benefits such as corrosion resistance, lightweight, and cost-effectiveness.

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