20# 45# Hot Rolled Cold Rolled Welded Carbon Steel Square Tube

• Customization: Available
• After-sales Service: Online Customer Service
• Warranty: Online Customer Service
• Model NO.: Carbon Steel Tube
• Type: Seamless
• Technique: Hot Rolled
• Material: Carbon Steel
• Surface Treatment: Polished
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Square
• Surface: Bared Black Painting, Galvanized, Coating
• Section: Round/Square/Rectangulatr
• Date of Delivery: 8-20 Days According to The Quantity
• Payment: L/C or T/T
• Process: Hot Rolled/Hot Expansion/Cold Drawn/Cold Rolled
• Package: Bundles
• Size: 400*400*7.5~40.0
• Invoicing: by Theoretical Weight
• Processing Service: Welding, Punching, Cutting, Bending, Decoiling
• Oiled or Non-Oiled: Non-Oiled
• Special Pipe: Other, API Pipe, Thick Wall Pipe
• Shape of Tubes: Round/Square/Rectangle
• Pipe Ends: Plain Ends
• Trade Terms: Fob, CFR, CIF, EXW, Fca
• Sample: Available
• Transport Package: According Customer Request
• Specification: A106 A53 A105 carbon steel pipe
• Trademark: DYJ
• Origin: China
• HS Code: 73079900
• Production Capacity: 500000ton/Year

Product Description

 

Carbon Steel Pipe/Tube are used to transport fluids, such as pipelines that transport oil, natural gas, gas, water, and certain solid materials. The seamless steel pipe with high carbon content is high -quality carbon structure steel. The seamless steel pipe 35# and 45# is most commonly used. The main purpose is to create a parent material for high -pressure wear resistance such as general mechanical shells.
 

Product name	DYJ Carbon Steel Square/Rectangular Tube
Standrad	ASTM A 500 Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes
	BS EN 10219-2:2006 Cold formed welded structural hollow sections finegrain steels
Steel Grade	S235,S235JR,S235 S2H,S275,S275JR,S355JRH,S355J2H, St33,St37,St44,ST52, JIS G3444 STK290,STK400,STK500,STK490,STK540,
Steel Material	Q195→SS330,ST37,ST42 Q235→SS400,S235JR Q345→S355JR,SS500,ST52
Technical treatment	1) Black,Pre-galvanized 2) oiled,powder coating 3) Galvanized as your requirement PS:Pre galvanized steel pipe: 60-150g/m2;Hot dipped galvanized steel pipe: 200-400g/m2
MOQ	5 Ton
Usage	1) Low Pressure Liquid,Water,Gas, Oil, Line Pipe 2) Construction,Structure 3) Agriculture fence post, door pipe
Place of  Origin	China (Mainland)
Port	TIANJIN,QINGDAO,GUANGZHOU,SHANGHAI or as required
Terms of  Delivery	FOB,CFR,CIF,CNF
Packing	Standard export sea-worthy packing
Delivery time	Within 7-15 days after payment
Stock	Ready in Stocks

 

Square and Rectangular Steel Pipe Size Chart
Square Hollow Section	Rectangular Hollow Section	Thickness
20*20 25*25 30*30	20*40 30*40	1.2-3.0
40*4050*50	30*50 25*50 30*60 40*60	1.2-4.75
60*60	50*70 40*80	1.2-5.75
70*70 80*80 75*75 90*90 100*100	60*80 50*80 100*40 120*80	1.5-5.75
120*120 140*140 150*150	160*80 100*150 140*80 100*180 200*100	2.5-10.0
160*160 180*180 200*200	200*150 250*150	3.5-12.0
250*250 300*300 400*200 350*350 350*300	250*200 300*200 350*200 350*250 450*250 400*300 500*200	4.5-15.75
400*400 280*280 450*300 450*200	400*350 400*250 500*250 500*300 400*600	5.0-20.0

Note:

1.Carbon Steel Square Tube

2.Carbon Steel Rectangular Tube

3.Seamless Square/Rectangular Tube

The square tube is divided according to the production process: hot rolled seamless square tube, cold drawn seamless square tube, extruded seamless square tube, welded square tube. Among them, the welded square tube is divided into: 
(a) According to the process-arc welding square tube, resistance welding square tube (high frequency, low frequency), gas welding square tube, furnacewelding square tube
(b) According to the weld seam-straight seam welded square tube, spiral welded square tube

Shaanxi Dongyujia Iron & Steel Co., Ltd is a leading steel and metal material company in China, specializing in the production of high-quality stainless steel, carbon steel, galvanized, alloy steel and non-ferrous metals. At the same time, we provide a series of machining services, including cutting, drilling, welding and grinding, to customize products according to customers' specific requirements.
Our company has been focusing on the steel industry for more than 20 years. Since its establishment, our company has successfully passed ISO9001: China Quality Certification Center Quality Certification. We have established long-term and close cooperative relations with well-known domestic iron and steel enterprises. At the same time, the company has an annual spot reserve of more than 100,000 tons, which can guarantee short-time delivery.

Dongyujia Steel Co., Ltd. provides services for domestic government construction projects, Chinese listed companies, state-owned enterprises and other large enterprises. At the same time, it also has long-term cooperative relations with many countries, such as Russia, the Middle East, Southeast Asia, South Africa, South America and other regions.With high-quality products, low prices and high-quality services, it is highly valued by customers. Dongyujia steel service team is online 24 hours a day, providing you with professional and high-quality services. , we also adhere to the concept of win-win, customer-centric, and look forward to becoming your trustworthy high-quality enterprise. Please contact us soon!

1. who are we?

We are based in Shaanxi, China, start from 2020,sell to Southeast Asia(30.00%),South America(25.00%),Domestic Market(15.00%),North America(5.00%),Africa(5.00%),Mid East(5.00%),Oceania(3.00%),Eastern Asia(2.00%),Central America(2.00%),Northern Europe(2.00%),Southern Europe(2.00%),South Asia(2.00%),Eastern Europe(1.00%),Western Europe(1.00%). There are total about 11-50 people in our office.

 

2. How can we guarantee quality?

Always a pre-production sample before mass production; Always final Inspection before shipment;

 

3.what can you buy from us?

Seamless steel tube,steel plate,Round steel,Welded pipe

 

4. why should you buy from us not from other suppliers?

We are a professional manufacture and exporter of steel products. The-main products are galvanized steel pipe hot dip galvanized pipe welded steel pipe square&rectangular tube and scar folding products.

 

5. what services can we provide?

Accepted Delivery Terms: FOB,CIF;

Accepted Payment Currency:USD,CNY;

Accepted Payment Type:T/T,L/C; Language Spoken:English,Chinese