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 desalination plants?: Steel pipes are used in desalination plants to transport water, brine, and chemicals throughout the facility. They are highly durable and corrosion-resistant, making them ideal for handling the high-pressure and corrosive nature of the desalination process. Steel pipes ensure efficient and reliable water distribution, contributing to the overall effectiveness of desalination plants in converting seawater into fresh water.

Q: Can steel pipes be used for wastewater disposal?: Indeed, wastewater disposal can be accomplished using steel pipes. Owing to their robustness, strength, and corrosion resistance, steel pipes find widespread application in wastewater systems. They are capable of withstanding the substantial pressure and flow rates commonly encountered in wastewater scenarios, efficiently conveying it to treatment plants or other disposal sites. Moreover, steel pipes can be enhanced with coatings or linings that offer additional safeguard against corrosion or chemical reactions with the wastewater, further enhancing their durability and efficacy in wastewater disposal.

Q: What is the difference between carbon steel and cast iron pipes?: Carbon steel and cast iron pipes are both widely used in various industries for different applications. The main difference between these two types of pipes lies in their composition and properties. 1. Composition: Carbon steel pipes are primarily made of iron and carbon, with trace amounts of other elements such as manganese, phosphorus, and sulfur. On the other hand, cast iron pipes are made by melting iron and adding a small amount of carbon, usually between 2-4%. 2. Strength and Durability: Carbon steel pipes are generally stronger and more durable than cast iron pipes. Carbon steel has a higher tensile strength, which means it can withstand higher pressures and is less likely to be damaged or deformed. Cast iron, although strong, is more brittle and prone to cracking. 3. Corrosion Resistance: Carbon steel pipes require additional coatings or treatments to protect them from corrosion. Without proper protection, carbon steel pipes can be susceptible to rust and corrosion, especially when exposed to moisture or aggressive substances. On the other hand, cast iron pipes have inherent corrosion resistance due to the formation of a protective layer of iron oxide (rust) on their surface. 4. Weight and Installation: Cast iron pipes are typically heavier than carbon steel pipes, making them more challenging to handle and install. Carbon steel pipes are comparatively lighter, allowing for easier transportation and installation. 5. Noise and Vibration: Cast iron pipes have superior sound-deadening properties, making them quieter when fluids flow through them. On the contrary, carbon steel pipes tend to transmit more noise and vibrations. 6. Cost: Cast iron pipes are generally more expensive than carbon steel pipes due to the additional manufacturing processes and the higher cost of raw materials. In summary, the main differences between carbon steel and cast iron pipes lie in their composition, strength, corrosion resistance, weight, noise transmission, and cost. The choice between the two depends on the specific application, budget, and environmental factors.

Q: Can steel pipes be used for transporting sewage?: Yes, steel pipes can be used for transporting sewage. They are commonly used in sewage systems due to their durability, strength, and resistance to corrosion.

Q: What are the different methods of joining steel pipes?: There are several different methods of joining steel pipes, including welding, threading, flanging, grooving, and using mechanical connectors.

Q: Heating system DN40 and DN32 welded steel pipe how to connect?: Is the wire: also called pipe thread connection, the malleable steel pipe fittings, malleable iron is the thread connection using DN40X32 diameter hoop.

Q: What's the difference between hot dip galvanizing and cold galvanizing? Which kind of galvanizing method is good?: Cold galvanizing refers to the zinc plating, the coating is thinner, corrosion resistance is slightly worse, variable color. Environmental pollution.Hot dip galvanized by molten zinc ingots, the coating thickness can be adjusted, good corrosion resistance, and subsequent passivation, can be used for outdoor rust, long service life, some up to 20 years.

Q: How are steel pipes used in the manufacturing of machinery?: Steel pipes are used in the manufacturing of machinery primarily for conveying fluid or gas, providing structural support, and acting as a conduit for electrical wiring. They are commonly used as the framework for various machine components, such as conveyor systems, hydraulic equipment, and pneumatic systems. Steel pipes offer durability, strength, and versatility, making them an essential material in machinery manufacturing.

Q: How are steel pipes manufactured?: Steel pipes are manufactured through a process called pipe manufacturing, which involves several steps. First, raw materials such as steel plates or coils are formed into cylindrical shapes. These shapes are then welded together to create a seamless or welded pipe. After welding, the pipes undergo heat treatment to improve their mechanical properties. Finally, the pipes are cut, inspected, and coated with protective layers before being ready for various applications.

Q: What is PE coated steel pipe? Seek explanation: PE pipe is a kind of thermoplastic resin with high crystallinity and non polarity.

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