China Ss-Zp552 Black Annealed Steel Round Pipe Square Tube

We can supply various of Black Annealed Steel Tube, which used in all kins of steel structure building.The size and material can be customized.

Product NameCold/Hot Rolled Steel Pipe And TubeWall Thickness0.6mm-12mmLength5.5m-12mOuter diameter0.3mm-300mmToleranceWall Thickness:±0.05MMLength:±6mm Outer Diameter:±0.3MMShapeRound, Square, Rectangle, Oval, DeformedMaterialQ195-Q345, 10#-45#,195-Q345, Gr.B-Gr.50, DIN-S235JR, JIS-SS400, JIS-SPHC, BS-040A10TechniqueCold Rolled, Hot Rolled, ERWSurface treatmentBlack annealing, bright annealing, None annealingStandardASTM, DIN, JIS, BSCertificateISO, CEPayment terms30% T/T deposit in advance, 70% T/T balance within 5 days after B/L copy, 100% Irrevocable L/C at sight, 100% Irrevocable L/C after receive B/L 30-120 days, O/ADelivery timesDelivered within 30 days after receipt of depositPackage1. Packed with 8 bundles tightened with metal belt and plastic wrapped if need
2. According to customer's requirementLoading portXingang, ChinaApplicationWidely used in furniture,interior decoration, fluid pipeline, petroleum and natural gas industry, drilling, pipeline, structureAdvantages1. Reasonable price with excellent quality
2. Abundant stock and prompt delivery
3. Rich supply and export experience, sincere service

Quick Details
Standard: ASTM, GB, BS, DIN, JIS, API
Standard2:ASTM A53-2007, GB/T 8162-1999, BS 1387, DIN 1626, JIS G3463-2006, API 5L
Grade Group:A53-A369, Q195-Q345, ST35-ST52, 10#-45#, STPA22-STPA26, 16Mn
Grade:A53(A,B), Q235, Q195, St37, 20#, STPA26, 16Mn
Thickness:0.3 - 2 mm mm
Section Shape:Square
Outer Diameter:10*10 to 75*75mm
Place of Origin:Tianjin, China
Application:Structure Pipe
Technique:Cold Rolled
Certification:ISO
Surface Treatment:OIL
Special Pipe:Thin Wall Pipe
Alloy Or Not:Non-alloy
Type:SquareTubes
Processing Service:Bending, Welding, Cutting
Commodity:Black annealed steel tube square/rectangular profile sale to Africa
Material:Q195/Q235/Q345
Surface:black, full black
Length:As per customer
Delivery time:3days
MOQ:1Tons each size
Shape:Round, square and Rectangular, Oval
Export country:Ghana, Burkina faso, Rwanda, Tanzania, Philippines and so on.
Export experience:10Years
Usage:Construction Structure, Building
Tolerance:±0.02mm
Workshop
product processing: High quality raw material-------cutting-------welding-------galvanizeing ------test------packing------delivery
Our company purchases several large steel mills such as baosteel, anshan steel and other high quality aluminum (aluminum) zinc coil, aluminum magnesium zinc coil, cold coil,Stainless steel roll as the production of wei mei brand colorful steel fence, the wall of raw materials. According to the use of products, I choose the structure of the plate.
The cutting production line is a special equipment for leveling, cutting and cutting cold rolled metal sheet into blocks. The thickness of the processed plate is 0.3-2.0mm, the maximum width of the plate is 1600mm, and the production speed is 50m/min.
The company has four advanced punching compound production lines, mainly composed of servo feeding equipment and punch. Servo feeding equipment with high transmission accuracy, excellent stability, ensure feeding accuracy.
Automatic advanced electrostatic powder spraying production line, the main equipment used in the world and domestic advanced technology, including the introduction of Japan's advanced automatic electrostatic spraying production line, Germany full spray pre-treatment process technology, the United States nuoxin automatic powder spraying equipment; In addition, high-quality outdoor powder is selected. The product has good weather resistance, moisture and heat resistance, uv resistance and corrosion resistance, and the salt spray test has reached more than 1000 hours. Maximum size of work piece: 6000 x 1500 x 300 mm; Workpiece weight: the maximum lifting weight of a single point is 400KG.
German EPK multi-purpose coating thickness tester, cup dash tester, salt spray tester, coating impact tester, coating adhesion tester and other testing equipment.
Qualificatiom Certificate
Since its inception, gerrit has been implementing ISO9000 quality management system. In 2011, it passed the certification audit of the Great Wall quality assurance center and obtained the iso9001:2008 quality management system certification, iso14001:2004 environmental management system certification and ohsas18001:1999 occupational health and safety management system certification.
Qualificatiom Certificate
Since its inception, gerrit has been implementing ISO9000 quality management system. In 2011, it passed the certification audit of the Great Wall quality assurance center and obtained the iso9001:2008 quality management system certification, iso14001:2004 environmental management system certification and ohsas18001:1999 occupational health and safety management system certification.
about us
Green (Tianjin) Technology Development Co., Ltd. locates in Baodi Jiuyuan Industrial Park with registered capital of 10 million U.S. dollar and total investment 25 million U.S. dollar. Green Technology is the research and manufacturing enterprise in Tianjin who specializes in design, production and sales of steel wall and fence.
Green Technology strictly follows the modern enterprise management mechanism and has passed the authorization and the audit of ISO9001: 2008, ISO14001: 2004, ISO: 18001:2001 system. The company owns the qualification of Environmental Engineering Contractor (Grade III) and Steel Structure Engineering Contractor (Grade III). "WALMAX" is the registered trademark and Green Technology possesses more than 20 patents.
Green Technology has established close cooperation relationship with several authoritative universities, research and design institutes. This is a forceful guarantee to the superior quality as well as the excellent performance of the steel wall and fence system.

"Surviving by honesty, developing by innovation" is the core value of Green Technology. Holding the principle of "Quality is the cornerstone of honesty, science and technology is the source of innovation", Green Technology is striving for bringing beautiful life to people through the "WALMAX" brand steel wall and fence system.

FAQ
1, Q: Are you a manufacturer?
A: Yes, we have many years manufacturing experience.
2, Q: What information should I provide, if I want a lowest quotation?
A: The specification of the product, the size and quantity you want.
3, Q: Can I customize the products?
A: yes, as long as provide specifications, design, drawings, can do what you
want products.
4, Q: What is your MOQ ?
A: 100 square meter, It is better to give a full container shipment for protecting fence panel & post during transportation.
5, Q: How about the Delivery time?
A: Delivery time according to the order quantity, regularly 30-35days to finish
the order for a 20ft container. We can negotiate according different situation.
Why Choose us

1. Advanced technology, high quality products and reasonable price!
2. Good service, the customization and trial order are both accepted.
3. A talent and experienced team.
4. Exclusive & unique solution can be provided by our well-trained and professional

Engineers.
5. Many years production experience.