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Home > Products > Steel Tube > Square tube carbon steel pipe black hollow section square and Rectangular Tube Metal Iron pipes Tubing

Square tube carbon steel pipe black hollow section square and Rectangular Tube Metal Iron pipes Tubing

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Product Description

China Black Square Steel Pipe Seamless, black annealed steel square tube, rectangular low carbon hollow section tube

Specification

Material	10#, 20#, 45#, 16mn, A53(A,B), A106(B,C), API J55, Q235,Q345, Q195,Q215, Q345C, Q345A,ect
Standard	ASTM A106-2006, ASTM A53-2007, GB 5310-1995, GB/T 8162-1999, BS 1387, BS EN 10025, JIS G3463-2006, JIS G3454-2007, JIS G 3459-2004, DIN 1629/4 ,DIN 1626, DIN 1629/3
Model Number	1515mm-400600mm or custom made
Length	1-12M or Customized
Thickness	1.0-16.0mm or Customized
Tolerance	±1%
Section shape	Rectangular or Square
Surface Treatment	Black painting, galvanized, annealing
Processing Service	Welding, Punching, Cutting, Bending, Decoiling
Oiled or Non-oiled	Non-oiled
Delivery Time	Usually within 7 days, the time depends on the number of products.
MOQ	1 ton, If the purchase quantity is less than our MOQ, can be customized according to your requirements.
Payment	T/T, D/A, D/P, L/C, Western Union, MoneyGram or according to customer requirements.
Samples	Can provide samples
Certification	ISO9001,CE.ect.
Package	Packed with 8 bundles tightened with metal belt and plastic wrapped if need. According to customer’s requirement
Application	Widely used in furniture,interior decoration, fluid pipeline, petroleum and natural gas industry, drilling, pipeline, structure
Advantages	1. Reasonable price with excellent quality 2. Abundant stock and prompt delivery 3. Rich supply and export experience, sincere service

Product Description

Black Square and Rectangular Annealing Steel Pipes

The square tube is a hollow square section light thin-walled steel tube. It is a section steel with a square cross-section shape and size made of Q235 hot-rolled or cold-rolled strip or coil as the base material, which is formed by cold bending and then welded by high-frequency welding. It has good comprehensive mechanical properties, weldability, cold and hot workability and
corrosion resistance, and has good low temperature toughness.Square pipe and rectangular pipe is equal and unequal length of the steel pipe. Is made of steel after the process of rolling.
Generally the strip is unpacked, flattened, curled, welded to form a round tube, and then rolled into a square tube and then cut into the required length.

Surface Treatment

1. Galvanized

2. PVC,Black and color painting

3. Transparent oil,anti-rust oil

4. Annealing

5. According to clients requirement

Application

Black annealed rectangular hollow tube are usually used in engineering construction, glass curtain wall, door and window decoration, steel structure, guardrail, machinery manufacturing, automatic manufacturing, home appliance manufacturing, shipbuilding, container manufacturing, electric power, agricultural construction, agricultural shed, bicycle frame, shelves, fitness equipment fields. The surface of the galvanized layer can effectively prevent rust.

Packing & Delivery

Package	Standard export seaworthy package,suit for all kinds of transport, or as required.
Package		Water-proof Paper + Edge protection + Wooden Pallets
Bulk Size	Any size
Loading Port	Tianjin, Qingdao Port or any China Seaport
Container	1*20ft container load Max. 25 Ton, Max. length 5.8m
Container		1*40ft container load Max. 25 Ton, Max. Length 11.8m
Delivery Time	7-15 days or according to the order's quantity

Company Profile

Shandong Ganquan Trading Co., Ltd., located in Jinan, the beautiful capital of Shandong Province, is a company integrating steel export and customized design. The company's main products: H-section steel, I-beam, angle steel, channel steel, flat steel, round steel, galvanized profile, stainless steel and p-section steel. Our precision cold-rolled pipe series has smooth appearance and no oxide layer. It is widely used in automobile manufacturing, petrochemical industry, aerospace, boiler equipment, medical equipment and other industries. Comply with Chinese national standard (GS) and American Standard ASTN.

The company has advanced product testing instruments, excellent marketing team and domestic channel partners, and has a perfect management plan for product market development and product after-sales service. The sales network and product sales agencies are all over the country. Strong and professional R & D team and advanced and perfect sales and service concept make our products have high popularity and market share at home and abroad. At the same time, we will always adhere to the principle of "reputation first, customer first", always put the interests of customers first, and wholeheartedly provide each of our customers with the best products and the best service. We look forward to working with friends all over the world to create a better future!

FAQ

1. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

2.what can you buy from us?
Galvanized Coil,Stainless Steel Sheet,Alloy Series,Copper Tube,PPGI,Aluminum Series

3. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FCA,DDP,DDU；
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,MoneyGram,Credit Card,PayPal,Western Union;
Language Spoken:English,Chinese

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Shandong Ganquan Import and Export Co., Ltd.

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Product Categories

Accessories	Aluminum	Carbon Steel	Copper
Long Steel Products	OEM TOP SELLING	PPGI / PPGL Coil	Roof Tiles Sheet
Stainless Steel	Steel Coil	Steel Sheet	Steel Tube
Structural Steel Profiles	Ungrouped

Square tube carbon steel pipe black hollow section square and Rectangular Tube Metal Iron pipes Tubing

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