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

协商

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: What is the difference between carbon steel pipes and stainless steel pipes?: The main difference between carbon steel pipes and stainless steel pipes lies in their composition. Carbon steel pipes are primarily made of iron and carbon, while stainless steel pipes contain iron, carbon, and a minimum of 10.5% chromium. This chromium content in stainless steel pipes creates a protective layer of chromium oxide on the surface, making them highly resistant to corrosion. On the other hand, carbon steel pipes are more susceptible to corrosion and require additional coatings or treatments to prevent rusting. Additionally, stainless steel pipes offer better heat resistance and can withstand higher temperatures compared to carbon steel pipes.

Q: Can steel pipes be used for conveying chemicals?: Yes, steel pipes can be used for conveying chemicals. Steel pipes are known for their high strength and durability, making them suitable for transporting various chemicals. Additionally, they are resistant to corrosion, which is crucial when dealing with corrosive substances. However, it is important to consider the specific type of chemical being transported and ensure that the steel pipes are compatible with it to avoid any chemical reactions or damage to the pipes.

Q: Is the same specification seamless steel pipe more expensive than welded 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 are the different methods of inspecting steel pipes?: There are several methods of inspecting steel pipes, including visual inspection, ultrasonic testing, magnetic particle testing, dye penetrant testing, radiographic testing, and eddy current testing.

Q: Can steel pipes be used for geothermal applications?: Yes, steel pipes can be used for geothermal applications. Steel is a durable and strong material that can withstand high temperatures and pressures typically found in geothermal systems. It is commonly used for drilling wells and transporting geothermal fluids, making it a suitable choice for geothermal applications.

Q: Can steel pipes be used for petrochemical plants?: Yes, steel pipes can be used for petrochemical plants. Steel pipes are commonly used in petrochemical plants due to their high strength, durability, and resistance to corrosion. They can handle high-pressure and high-temperature applications, making them suitable for transporting various chemicals and gases in petrochemical processes.

Q: Can steel pipes be used for conveying abrasive slurries?: Indeed, abrasive slurries can be effectively conveyed through steel pipes. The remarkable durability and strength of steel pipes render them highly suitable for the transportation of abrasive substances like slurries. Nevertheless, to guarantee prolonged service life and avert excessive deterioration, it is crucial to carefully choose the right grade of steel and take into account factors such as pipe thickness, lining choices, and flow velocity. Furthermore, the implementation of adequate maintenance and inspection protocols can play a pivotal role in promptly identifying and resolving any wear or corrosion issues that may arise with time.

Q: What are the different sizes available for steel pipes?: Steel pipes are available in a wide range of sizes, ranging from small diameter pipes typically used for plumbing purposes, to large diameter pipes used in industrial applications. These sizes can vary significantly depending on the specific requirements and intended use of the pipe, but common sizes include 1/2 inch, 3/4 inch, 1 inch, 2 inch, 4 inch, 6 inch, 8 inch, and 10 inch, among others.

Q: How do steel pipes handle thermal expansion?: Steel pipes handle thermal expansion by expanding and contracting with changes in temperature. The high thermal conductivity of steel allows it to transfer heat quickly, preventing excessive expansion. Additionally, the flexibility of steel allows it to absorb the expansion and contraction without compromising the integrity of the pipe.

Q: Do steel pipes expand or contract with temperature changes?: Steel pipes expand with temperature increases and contract with temperature decreases.

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