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 | 15*15mm-400*600mm 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 andcorrosion 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
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. |
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 |
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
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