S235jr, S275jr, Stk400, Stk500, S355jr Transportation Pipeline Seamless/Welded Round Shape Hot Rolled Steel Pipe

• After-sales Service: 24 Hours Online
• Warranty: 3 Months
• Type: Seamless
• Technique: Hot Rolled
• Material: Carbon Steel
• Surface Treatment: Black
• Model NO.: L290N X42
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration
• Section Shape: Round
• Trade Terms: Fob CIF CFR EXW
• Application: Structure Pipe, Automotive, Construction, Kitchenw
• Grade: ISO Gr.L245, L290, L320, L360, L390, L415, L485
• Length: 1-12m or as Required
• Thickness: 2-200mm or as Required
• Shape: Round, Square
• Brand Name: Ansteel
• Processing Service: Welding, Punching, Cutting, Bending, Decoiling
• Certificate: SGS, ISO9001
• MOQ: 1 Ton
• Transport Package: Standard Seaworthy Packing
• Specification: Normal Size
• Trademark: TISCO
• Origin: China
• HS Code: 7304319000
• Production Capacity: 20000 Tons/Year

Product Description

ASTM A106 A53 API 5L X42 Oil and Gas Carbon Transportation Pipeline for Latin America Seamless/Welded Round Shape Hot Rolled DN300 STD L290N Steel Pipe

Product Description

Heat treatment status of L290N steel pipe

1, Low temperature tempering (150-250 degrees)
The microstructure obtained by low-temperature tempering is tempered martensite. Its purpose is to reduce the internal stress and brittleness of quenched steel while maintaining its high hardness and wear resistance, in order to avoid cracking or premature damage during use. It is mainly used for various high carbon cutting tools, measuring tools, GB/T9711.1 pipeline steel pipes, rolling bearings, and carburized parts, etc. The hardness after tempering is generally HRC58-64.

2, The microstructure obtained from medium temperature tempering (250-500 ° C) is tempered troostite. Its purpose is to achieve high yield strength, elastic limit, and high toughness. Therefore, it is mainly used for the treatment of various GB/T9711.1 pipeline steel pipes and hot work molds, and the hardness after tempering is generally HRC35-50.

3, High temperature tempering (500-650 degrees)

The microstructure obtained from high-temperature tempering is tempered sorbite. Traditionally, the heat treatment combining quenching and high-temperature tempering is called quenching and tempering treatment, which aims to obtain comprehensive mechanical properties with good strength, hardness, plasticity, and toughness. Therefore, it is widely used in automobiles,

GB/T9711.1 Important structural components of pipeline steel pipes, machine tools, etc., such as connecting rods, bolts, gears, and shafts. The hardness after tempering is generally HB200-330.

Product Name	Carbon steel pipe/tube
Thickness	0.5~75mm/customized
Surface	Polishing,annealing,pickling,bright
Technology	Cold/hot rolled
Steel Grade	1020,1040,10#-45#, A53-A369, Q195-Q345, ST35-ST52, Grade A, Grade B, Grade C,etc.
Standard	ASTM A213,A312,ASTM A269,ASTM A778,ASTM A789,DIN 17456,DIN17457,DIN 17459,JIS G3459, JIS G3463,GOST9941,EN10216, BS3605,GB13296
Tolerance	a) Outer Diameter: +/- 0.5mm b) Thickness: +/- 0.05mm c) Length: +/- 5mm
Test	Squash test, extended test, water pressure test, crystal rot test, heat
Packing	Standard export packing
Outer Diameter	10 - 3048mm or as required
Length	1 - 12m or as required

Details of carbon steel seamless pipe:
material grade
High Temperature Seamless Pipe	ASTM A106 Gr. B/C, API 5L Gr. B, ASTM A53 Gr. B
Heat Exchanger Seamless Tube	ASTM A179
Low Temperature Seamless Pipe	ASTM A333 Gr. 3/6
Low Temperature Seamless Tube	ASTM A334 Gr. 6
High Yield Seamless Pipe	API 5L Gr. X42/X46/X52/X56/X60/X65/X70/X80 PSL-1/PSL-2
High Yield Seamless Pipe	ISO 3183 Gr.L245, L290, L320, L360, L390, L415, L450, L485
Atmospheric & Low Temp EFW Pipes	ASTM A671 Gr. CC60/CC65/CC70
High Pressure & Moderate Temp EFW Pipes	ASTM A672 Gr. B60/B65/B70/C55/C60/C65/C70
High Yield ERW/SAW Pipe	API 5L Gr. X42/X46/X52/X56/X60/X65/X70/X80 PSL-1/PSL-2
High Yield ERW/SAW Pipe	ISO 3183 Gr.L245, L290, L320, L360, L390, L415, L450, L485

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FAQ

Q1: Are you a manufacturer or a trading company?
A: We are both a trading company and a manufacturer.We have own factory, which is located in Jiangsu,CHINA. We have more than 10 years experience in sales of steel products. We promise that we are the very supplier that you are looking for.

Q2:Can I visit your factory ?
A: Of course.We warmly welcome you to visit our factory.

Q3: Do you have quality control? How can you give warranty of your products?
A: Yes, we have gained certification of GB/T19001:2016/ ISO9001:2015. We are the verified supplier by SGS on the platform of Alibaba and MIC. We extend a 100% satisfaction guarantee on all items. Please feel free to feedback immediately if you are not pleased with our quality or service.