ERW Welded Steel Pipes For Bicycle System 1

ERW Welded Steel Pipes For Bicycle

Ref Price:

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

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

You Might Also Like

Line Pipe

Seamless Carbon Steel Tubes

Hot-rolled seamless steel tubes for hydraulic pillar service

API 5L Seamless line Pipe J55

Seamless Steel Alloy Pipe with Factory Price

Hot API 5L Carbon Steel Tube 4'' SCH40 from cnbm

Standard Steel Pipe ASTM Seamless A192-02 Standard Steel Pipe ASTM

America Standard A53 100g Hot Dipped or Pre-galvanized Pipe

ERW Welded Steel Pipes

Application of ERW Welded Steel Pipes For Bicycle

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 of ERW Welded Steel Pipes For Bicycle

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

Steel Grade of of ERW Welded Steel Pipes For Bicycle

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 Steel Pipes For Bicycle

*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 Pr

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(%)

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

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 (%)

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

ERW Welded Steel Pipes For Bicycle

Q: What are the environmental benefits of using steel pipes?: There are several environmental benefits of using steel pipes: 1. Durability: Steel pipes have a long lifespan, which reduces the need for frequent replacements. This helps to conserve resources and reduces the amount of waste generated. 2. Recyclability: Steel is one of the most recycled materials in the world. When steel pipes reach the end of their life, they can be easily recycled and used to manufacture new steel products. This reduces the demand for raw materials and saves energy that would otherwise be required for the production of new materials. 3. Reduced carbon emissions: Steel pipes have a low carbon footprint compared to other materials like concrete or plastic. The manufacturing process for steel pipes produces fewer greenhouse gas emissions, contributing to a lower carbon footprint overall. 4. Resistance to corrosion: Steel pipes have high resistance to corrosion, which means they require less maintenance and repair compared to other materials. This reduces the use of chemical coatings and treatments that can have negative environmental impacts. 5. Water conservation: Steel pipes are commonly used for water supply and distribution systems. They have smooth interiors that minimize friction, reducing the amount of energy required to pump water through the pipes. This helps to conserve energy and decrease the carbon emissions associated with water transportation. 6. Fire resistance: Steel pipes are inherently fire-resistant, which makes them a safer choice for many applications. In the event of a fire, steel pipes can help to contain the spread of flames and minimize damage to the environment. Overall, the use of steel pipes offers numerous environmental benefits such as durability, recyclability, reduced carbon emissions, water conservation, and fire resistance. These factors make steel pipes a sustainable choice for various infrastructure projects.

Q: How do you determine the required support spacing for steel pipes?: Various factors, including the diameter of the pipe, the strength of the material, the operating conditions, and local building codes and regulations, determine the required support spacing for steel pipes. When considering the diameter of the pipe, it is crucial to note that larger pipes generally need more frequent support to prevent excessive deflection and sagging compared to smaller pipes. The strength of the material is also a significant consideration, as pipes with greater strength can span longer distances without requiring additional support. The operating conditions of the pipe, such as the type of fluid being transported and the temperature, also play a role in determining the necessary support spacing. For instance, pipes carrying heavy or corrosive fluids may require more frequent support to prevent excessive stress and potential failure. Local building codes and regulations often provide specific guidelines for the minimum support spacing of steel pipes. These regulations take into account factors such as the diameter of the pipe, the strength of the material, the operating conditions, as well as safety and structural requirements. To accurately determine the required support spacing for steel pipes, it is essential to consult relevant codes, standards, and engineering guidelines. Additionally, working with qualified engineers and professionals experienced in pipe design and installation will ensure that the support spacing meets all necessary requirements, ensuring the safe and efficient operation of the piping system.

Q: Can steel pipes be used in earthquake-prone areas?: Yes, steel pipes can be used in earthquake-prone areas. Steel is a strong and durable material that can withstand the forces generated during an earthquake. The flexibility and ductility of steel allow it to absorb and dissipate the energy of seismic waves, reducing the risk of structural failure. Additionally, the ability to weld steel pipes allows for the construction of robust and earthquake-resistant structures. However, it is important to ensure proper engineering and construction practices are followed to ensure the steel pipes are installed and connected correctly to maximize their earthquake resistance. Local building codes and regulations should also be considered to ensure compliance and safety in earthquake-prone areas.

Q: How are steel pipes tested for quality assurance?: Steel pipes are tested for quality assurance through various methods such as hydrostatic testing, non-destructive testing (NDT) techniques like ultrasonic testing, magnetic particle testing, and visual inspection. These tests ensure that the pipes meet the required standards and specifications, checking for flaws, defects, and proper dimensional accuracy.

Q: How are steel pipes tested for leaks?: Steel pipes are tested for leaks using various methods, including hydrostatic testing and ultrasonic testing. In hydrostatic testing, the pipes are filled with water or another suitable fluid and subjected to high pressure to check for any leakage. Ultrasonic testing involves using high-frequency sound waves to detect any defects or leaks in the pipes. These testing methods ensure the integrity and reliability of steel pipes.

Q: Are steel pipes resistant to impact?: Yes, steel pipes are generally resistant to impact due to their strong and durable nature. They can withstand heavy loads and external forces, making them suitable for applications that involve high-pressure environments or potential impact scenarios.

Q: How are steel pipes used in the manufacturing of bridges?: Steel pipes are commonly used in the manufacturing of bridges for various purposes such as the construction of bridge piers, support columns, and structural elements. These pipes provide strength, durability, and flexibility to withstand heavy loads and harsh environmental conditions. They are often used to create the framework and support systems of the bridge, ensuring stability and longevity. Additionally, steel pipes may be used for the transportation of fluids, such as water or gas, across the bridge.

Q: What are the different types of corrosion that can affect steel pipes?: There are several types of corrosion that can affect steel pipes, including uniform corrosion, pitting corrosion, crevice corrosion, galvanic corrosion, and stress corrosion cracking.

Q: What are the different types of steel pipe unions?: There are several different types of steel pipe unions that are commonly used in various industries and applications. Some of the most common types include: 1. Threaded Union: This type of union has female threads on both ends, allowing it to be easily screwed onto two male threaded pipes. It provides a secure and leak-free connection. 2. Socket Weld Union: This union has a socket on one end and a female threaded connection on the other. It is designed for socket welding, where the pipe is inserted into the socket and then welded around the joint for a strong and durable connection. 3. Butt Weld Union: This type of union is used for joining two pipes with butt weld ends. It requires the pipes to be beveled and then welded together, creating a strong and permanent connection. 4. Compression Union: Compression unions are typically used for connecting pipes made of softer materials, such as copper or plastic. They consist of a compression nut and a compression ring that are tightened onto the pipe, creating a tight seal. 5. Flanged Union: This union has flanges on both ends, allowing it to be bolted onto two flanged pipes. Flanged unions are commonly used in applications where easy disassembly and reassembly is required. 6. Grooved Union: Grooved unions have grooves on the ends, which are used to connect pipes by inserting them into the grooves and securing them with a coupling. They are often used in fire protection systems and other applications where quick installation and easy maintenance are important. These are just a few examples of the different types of steel pipe unions available. The choice of union depends on the specific requirements of the application, such as the pipe material, size, and operating conditions. Consulting with a professional or referring to industry standards can help determine the most suitable union for a particular project.

Q: DN150 welded steel tubes one meter multiple: DN150 welded steel pipe according to the thickness of two specifications: outer diameter 165mm, wall thickness 4.5mm, 17.81Kg per meter weight, wall thickness of 5.5mm, 21.63Kg. per meter weight

All these steel pipes are suitable for the industries of oil, natural gas,ship building,chemical, environmental protection,boiler, water conservancy, electrical industry,steel structure, building and other related fields.

1. Manufacturer Overview

Location	Tianjin, China
Year Established	1997
Annual Output Value	Above Three Million To Five Million RMB
Main Markets	Main land
Company Certifications	ISO 9001:2010;API 5L;

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port	Tianjin
Export Percentage	40% - 50%
No.of Employees in Trade Department	300-500 People
Language Spoken:	English; Chinese
b) Factory Information
Factory Size:	40,000 square meters
No. of Production Lines	Above 10
Contract Manufacturing	OEM Service Offered; Design Service Offered
Product Price Range	Average