Line Pipe

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 20MT m.t.

Supply Capability:: 5000 Tons Per Month m.t./month

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Specifications of Line pipe

Standard ： API SPEC 5L

Standard

Product Specification Level

Steel grade

Chemical composition, %

CEpcm

API 5L

PSL 1

L210 or A

≤

0.22

≤

0.90

≤

0.030

≤

0.030

≤

0.25

L245 or B

≤

0.28

≤

1.20

≤

0.030

≤

0.030

≤

0.25

L290 or x42

≤

0.28

≤

1.30

≤

0.030

≤

0.030

≤

0.25

L320 or X46

≤

0.28

≤

1.40

≤

0.030

≤

0.030

≤

0.25

L360 or X52

≤

0.28

≤

1.40

≤

0.030

≤

0.030

≤

0.25

L390 or X56

≤

0.28

≤

1.40

≤

0.030

≤

0.030

≤

0.25

L415 or X60

≤

0.28

≤

1.40

≤

0.030

≤

0.030

≤

0.25

PSL 2

L245Ror BR

≤

0.24

≤

1.20

≤

0.025

≤

0.015

≤

0.40

≤

0.04

≤

0.25

L290R or X42R

≤

0.24

≤

1.20

≤

0.025

≤

0.015

≤

0.40

≤

0.06

≤

0.05

≤

0.04

≤

0.25

L245N or BN

≤

0.24

≤

1.20

≤

0.025

≤

0.015

≤

0.40

≤

0.04

≤

0.25

L290N or X42N

≤

0.24

≤

1.20

≤

0.025

≤

0.015

≤

0.40

≤

0.06

≤

0.05

≤

0.04

≤

0.25

L320N or X46N

≤

0.24

≤

1.40

≤

0.025

≤

0.015

≤

0.40

≤

0.07

≤

0.05

≤

0.04

≤

0.25

L360N or X52N

≤

0.24

≤

1.40

≤

0.025

≤

0.015

≤

0.45

≤

0.10

≤

0.05

≤

0.04

≤

0.25

L390N or X56N

≤

0.24

≤

1.40

≤

0.025

≤

0.015

≤

0.45

≤

0.10

≤

0.05

≤

0.04

≤

0.25

L415N or X60N

≤

0.24

≤

1.40

≤

0.025

≤

0.015

≤

0.45

≤

0.10

≤

0.05

≤

0.04

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Negotiation

Note:The sum of the columbium [niobium], and vanadium contents shall not exceed 0.06% except that, by agreement between the purchaser and the manufacturer, an alternative maximum may be established.

Standard	Product Specification Level	Steel grade	Yield Strength (min), Mpa	Tensile Strength(min), Mpa
API 5L	PSL 1	L210 or A	210	335
		L245 or B	245	415
		L290 or x42	290	415
		L320 or X46	320	435
		L360 or X52	360	460
		L390 or X56	390	490
		L415 or X60	415	520
	PSL 2	L245Ror BR	245~450	415~760
		L290R or X42R	290~495	415~760
		L245N or BN	245~450	415~760
		L290N or X42N	290~495	415~760
		L320N or X46N	320~525	435~760
		L360N or X52N	360~530	460~760
		L390N or X56N	390~545	490~760
		L415N or X60N	415~565	520~760

Nominal Diameter Range	Outside diameters Rang(mm)	Coating Type	Coating Layer	Coating thickness
DN100~600	114.3~609.6	Three layers polyethylene		2.0~4.5mm
			Inside layer: epoxy(Green)

			Mid Layer：adhesive（White）

			Outside layer：polyethylene (Black)
		Two layers polyethylene		2.0~4.5mm
			Inside layer: adhesive

			Outside layer：polythene
DN80~600	88.9~609.6	FBE epoxy		200~400um
			Epoxy
		2FBE Two layers epoxy		400~800um
			Inside layer: epoxy(Green)

			Outside layer：intensity epoxy(sage green)
DN100~600	114.3~609.6	3PP Three layers polypropylene		2.5~3mm
			Inside layer: epoxy(Green)

			Mid Layer：adhesive（White）

			Outside layer：polypropylene（White）

Applications

It is used for conveying gas,water,and petroleum of both the oil and natural gas industries.

Packaging & Delivery

Each bundles pipes will be bundled with 6-8 pcs steel strips and with shipping marks and 2 nylon strips

40-50 days delivery on china port upon receiving orinigal LC or prepayment.

Q:How are steel pipes used in stadium construction?: Steel pipes are commonly used in stadium construction for various purposes such as structural support, plumbing systems, and the installation of lighting and audio equipment. They provide strength, durability, and versatility, making them ideal for ensuring the overall stability and functionality of the stadium.

Q:How do you select the right size of steel pipe for a project?: To select the right size of steel pipe for a project, it is important to consider factors such as the desired flow rate, pressure requirements, fluid type, and the overall structural design. Consulting relevant design codes and standards, performing calculations based on these parameters, and seeking expert advice can help ensure the appropriate size is chosen to meet the project's specific needs.

Q:What is the difference between carbon steel and stainless steel pipes?: The main difference between carbon steel and stainless steel pipes lies in their composition and rust resistance properties. Carbon steel pipes are primarily made of iron and carbon, making them less resistant to corrosion and prone to rusting. On the other hand, stainless steel pipes contain chromium, which gives them excellent rust resistance and durability. This makes stainless steel pipes ideal for use in environments where corrosion is a concern, such as in plumbing systems and industrial applications.

Q:Can steel pipes be used for bridge piling?: Yes, steel pipes can be used for bridge piling. Steel pipes provide several advantages for bridge piling, such as high strength, durability, and resistance to corrosion. They can be driven deep into the ground to provide a stable foundation for the bridge structure, making them a suitable choice for bridge piling applications.

Q:Are steel pipes resistant to ultraviolet (UV) radiation?: Steel pipes are not inherently resistant to ultraviolet (UV) radiation. UV radiation can cause degradation and discoloration of certain materials, including steel. However, the extent of the damage depends on various factors such as the type of steel, the duration and intensity of exposure to UV radiation, and the presence of protective coatings or finishes on the steel pipes. In general, uncoated steel pipes are more susceptible to UV radiation damage compared to pipes that have been treated with protective coatings or finishes. These coatings, such as epoxy or polyethylene, provide a barrier against UV radiation and help to prevent the degradation and discoloration of the steel. Therefore, it is important to consider the specific application and environment when choosing steel pipes and implementing appropriate protective measures to ensure their longevity and performance.

Q:Galvanized steel pipe DN100 and SC100: Zinc plating, hot dip galvanizing and cold galvanizing, to see the design instructions and design requirements, which will explain

Q:What are the factors to consider when selecting steel pipes?: Some factors to consider when selecting steel pipes include the intended application and environment, the required strength and durability, the size and thickness of the pipes, the corrosion resistance, the cost, and the availability of different types of steel pipes.

Q:What is the single length of galvanized steel pipe?: The single length of galvanized pipe is 6 meters. The length of galvanized seamless steel tube is uncertain, depending on the length of seamless steel tube.

Q:What is the theoretical weight per square meter of the steel pipe diameter of the outer frame and the thickness of the tube wall 3mm 48mm?: The outer steel tube diameter is 48mm, the tube wall thickness is 3mm, the theoretical weight per meter is 3.3291kgCalculation formula: (outside diameter wall thickness) * wall thickness *0.02466(48-3) *3*0.02466=3.3291kg

Q:What are the different methods of protecting steel pipes from corrosion?: There are several methods of protecting steel pipes from corrosion, including coating the pipes with materials such as epoxy, polyethylene, or zinc; applying cathodic protection by using sacrificial anodes or impressed current; and employing corrosion inhibitors to prevent the formation of rust. Regular maintenance and inspections are also crucial in identifying and addressing any potential corrosion issues.

The company's main products are: the low-pressure boiler seamless steel pipe, oil casing seamless pipe, ship seamless steel tubes, seamless steel pipe, petroleum cracking, chemical fertilizer equipment, seamless steel tubes, structural seamless steel pipe, seamless steel hollow pumping rod with eight series. According to GB, ASTM, APL5L, AP15CT, DIH, JIS and other standard production seamless steel tubes.

1. Manufacturer Overview
Location	Hebei, China
Year Established	1990
Annual Output Value	Above 30 milionrmb
Main Markets	Germany; Japan;Korea; America; Brasil; Canada
Company Certifications	ISO9001:2000 ; API

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port	Tianjin; Qingdao
Export Percentage	50%
No.of Employees in Trade Department	Above 10
Language Spoken:	English; Chinese
b)Factory Information
Factory Size:	8,5000square meters
No. of Production Lines	Above 10
Contract Manufacturing	OEM Service Offered; Design Service Offered
Product Price Range	High Average