ERW Welded Steel Pipes For Bicycle System 1

ERW Welded Steel Pipes For Bicycle

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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 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 is the role of steel pipes in the telecommunications industry?: Steel pipes play a crucial role in the telecommunications industry as they are used for the installation of underground and overhead telecommunication cables. These pipes provide protection and support to the cables, ensuring their safety and longevity. Additionally, steel pipes are also used in the construction of communication towers and infrastructure, making them an essential component in establishing and maintaining reliable telecommunications networks.

Q: What is the difference between steel pipes and PVC-U pipes?: Steel pipes and PVC-U pipes differ in their composition, durability, and application. Steel pipes are made from iron and carbon, providing them with high strength and resistance to extreme conditions. They are commonly used for transporting water, gas, and oil in industrial settings due to their durability and ability to withstand high pressure and temperature. PVC-U pipes, on the other hand, are made from a synthetic plastic called polyvinyl chloride. They are lightweight, corrosion-resistant, and easy to install, making them ideal for residential plumbing, irrigation systems, and drainage. While steel pipes are more robust and suitable for heavy-duty applications, PVC-U pipes are cost-effective, versatile, and suitable for lighter applications.

Q: How are steel pipes used in the construction of shipbuilding?: Steel pipes are used in shipbuilding for a variety of purposes, including the construction of the ship's framework, hull, and various onboard systems. These pipes provide structural strength and durability, allowing the ship to withstand the harsh conditions at sea. They are also used for piping systems, such as fuel, water, and ventilation, ensuring the efficient operation of the vessel.

Q: Can steel pipes be used for underground water lines?: Yes, steel pipes can be used for underground water lines.

Q: Can steel pipes be used for sewage treatment plants?: Yes, steel pipes can be used for sewage treatment plants. Steel pipes are commonly used in sewage treatment plants due to their durability, strength, and resistance to corrosion. They can efficiently transport wastewater and withstand the harsh chemical environment found in sewage treatment facilities.

Q: Are steel pipes fire resistant?: Indeed, steel pipes possess fire-resistant properties. Steel, being a non-combustible substance, does not ignite or aid in the propagation of flames. Moreover, steel pipes exhibit a remarkable resistance to high temperatures, allowing them to endure extreme conditions. Consequently, they are ideal for situations demanding fire resistance. Furthermore, steel is a resilient material that maintains its structural integrity and does not deteriorate when subjected to fire. Consequently, steel pipes are frequently selected for fire protection systems, including building sprinkler systems, as well as for industrial purposes when confronted with fire risks.

Q: What quota should be installed for heating seamless steel pipe?: Seamless steel pipe having a hollow cross section, used as a conduit for conveying fluids, such as pipelines for transporting petroleum, natural gas, gas, water, and certain solid materials.

Q: What is the difference between steel pipes and ductile iron pipes?: Steel pipes and ductile iron pipes are both commonly used for various applications in the construction industry, but they differ in their composition and properties. Steel pipes are primarily made from an alloy of iron and carbon, with small amounts of other elements. They are known for their high tensile strength and durability, making them suitable for transporting fluids and gases under high pressure. Steel pipes are more resistant to corrosion than ductile iron pipes, and they can withstand extreme temperatures and environmental conditions. On the other hand, ductile iron pipes are made from an alloy of iron, carbon, and small amounts of other elements like silicon and magnesium. These pipes are characterized by their high strength, impact resistance, and flexibility. Ductile iron pipes are often used for water and sewage transportation due to their corrosion resistance and ability to withstand ground movement and heavy loads. In summary, steel pipes are known for their strength, durability, and corrosion resistance, while ductile iron pipes offer greater flexibility and impact resistance. The choice between the two depends on the specific application requirements and environmental conditions.

Q: What is the difference between steel pipes and fiberglass-reinforced pipes?: Steel pipes are made from a durable and strong material known as steel, which provides high strength and resistance to corrosion. On the other hand, fiberglass-reinforced pipes are made from a combination of fiberglass and resin, offering a lightweight and corrosion-resistant alternative. While steel pipes are commonly used for heavy-duty applications such as oil and gas pipelines, fiberglass-reinforced pipes are often preferred for applications that require resistance to chemicals and high temperatures, like in the chemical industry. Additionally, fiberglass-reinforced pipes have the advantage of being non-conductive, making them suitable for certain electrical applications.

Q: RC is it welded steel pipe or galvanized steel pipe?: Common pipelines in construction are as follows:SC: welded steel pipeTC: wire tubes, thin steel tubesPC: rigid plastic pipesCT: cable trayCP: metal hoseSR: steel grooveRC: water gas pipe

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