Customization: | Available |
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Type: | Welded |
Technique: | ERW |
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Shape | Square pipe | Rectangular pipe | |
Outer diameter | 10*10-1000*1000mm | 5*10-600*800mm | |
Wall thickness | 0.5-50mm | 0.5-50mm | |
Part of sizes commonly used |
10*10*0.5mm 50*50*16mm 50*50-100*100*(1.0mm~20mm) 100*100-300*300*(1.0mm~50mm) 300*300-600*600*(2.0mm~50mm) 100*100*12mm 135*135*(10mm~12mm) 170*170*(1.5mm~20mm) 180*180*(1.5mm~20mm) 220*220*(2.0mm~25mm) 280*280*(2.0mm~25mm) 320*320*(2.0mm~30mm) 380*380*(4.0mm~36mm) 430*430*(6mm~40mm) 500*500*(8mm~50mm) 520*520*(8mm~50mm) 550*500*(8mm~50mm) 450*450*(6mm~50mm) 600*600*(6mm~50mm) |
10*5*0.5mm 80*200*12mm 160*120*(2mm~20mm) 180*140*(2mm~25mm) 250*150*(2mm~20mm) 300*200*(4mm~25mm) 350*150*(2mm~25mm) 300*100*(2mm~20mm) 350*250*(4mm~30mm) 350*300*(4mm~30mm) 305*102*(3.0mm~25mm) 304*254*(3.0mm~25mm) 360*310*(3.0mm~25mm) 360*240*(3.0mm~25mm) 350*100*(3.0mm~14mm) 310*210*(3.0mm~25mm) 300*200*(4mm~30mm) 400*150*(4mm~30mm) 400*200*(6mm~30mm) 400*250*(4mm~50mm) 450*250*(4mm~50mm) 500*200*(6mm~50mm) 450*350*(6mm~50mm) 500*300*(6mm~50mm) 600*800*(6mm~50mm) |
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Length | 4m-14m or as customers' requirements | ||
Standard | BS1387-85,GB/T3091-08,DIN2440,JIS-G3444,EN10255,ASTM A53, | ||
Surface | galvanized | ||
Zinc coating | Pre galvanized steel pipe: 60-150g/m2; Hot dipped galvanized steel pipe: 200-400g/m2 |
End finish | Plain | ||
Material | Q195 Q215 Q235 Q345 St37 St52 St37-2 10# 20# 16Mn | ||
Usage | Scaffolding pipe, Structure pipe, Fence/Door pipe, Furniture, | ||
Lowpressure fluid pipe for water oil or gas, Boiler pipe. | |||
Place of origin | Shandong,China | ||
Productivity | 50000Mts/Year | ||
Inspection | With hydraulic testing, eddy current and infrared test, or any third party inspction | ||
Packing | In bundles, packed in woven bag; in loose; or request. | ||
Delivery time | Within 20 days after the prepayment | ||
Payment Terms | 1) Payment term : T/T ;L/C;D/P 2) Trade Terms : FOB / CFR /CIF | ||
3) Minimum quantity of order : 25 MT | |||
Others | 1:Special design available according to requirement | ||
2:Pipe can be necked dowm, punching hole on pipe wall. | |||
3:Pipe fittings, elbows are available. | |||
4.All production process are under the ISO9001:2000 strictly |
Chemical Composition
Grade | Chemical Composition | Mechanical Properties | ||||||
C | Mn | Si | S | P | Yield | Tensile | Eelongation | |
Strength Mpa | Strenth Mpa | % | ||||||
Q195 | 0.06-0.12 | 0.25-0.50 | ≤0.30 | ≤0.045 | ≤0.05 | ≥195 | 315-430 | ≥33 |
Q215 | 0.09-0.15 | 0.25-0.55 | ≤0.30 | ≤0.05 | ≤0.045 | ≥217 | 335-450 | ≥27 |
Q235 | 0.12-0.20 | 0.30-0.67 | ≤0.30 | ≤0.045 | ≤0.04 | ≥235 | 375-500 | ≥26 |
Q345 | ≤0.20 | 1.00-1.60 | ≤0.55 | ≤0.04 | ≤0.04 | ≥345 | 470-630 | ≥22 |
Tianjin Kaishuo Weiye Steel Co., Ltd. proudly stands at the forefront of the global steel manufacturing industry, embodying a legacy of excellence and groundbreaking innovation. As a dedicated and professional leader in steel production, we shine across every facet of the industry. Mastering the art of galvanized steel coils, pre-painted galvanized steel coils, steel pipes, plates, and an extensive selection of stainless steel products such as sheets, pipes, profiles, bars, and coils, we deliver unmatched quality. Our strategic prowess is further evidenced by the establishment of four branch offices across China, with our headquarters in Tianjin serving as the epicenter of our operations. Leveraging years of invaluable industry know-how, we have forged strong, strategic partnerships with esteemed stainless steel powerhouses like TISCO, BAOSTEEL, and POSCO (ZPSS), cementing our status as a premier-grade steel supplier. Our impressive inventory of over 2,000 tons, featuring more than 800 distinct specifications, is a testament to our commitment to quality. Our premium, high-quality products enjoy widespread acclaim not only across China but on the global stage, reaching distinguished markets in Saudi Arabia, Yemen, the UAE, Syria, Kuwait, Lithuania, Azerbaijan, Russia, Indonesia, Vietnam, Egypt, Malaysia, the Philippines, Bolivia, and Colombia. Our unwavering dedication to pursuing excellence remains a guiding principle.
With an unyielding commitment to stringent quality control and exceptional customer service, our team of seasoned experts is always poised to meet your demands and guarantee your utmost satisfaction. We are fervently dedicated to expanding our global reach and eagerly look forward to forging potential long-term partnerships. If you envision a collaborative future with us, we warmly invite you to connect for potential opportunities. We extend a cordial invitation to visit our cutting-edge production facilities at your convenience, offering an unparalleled glimpse into our state-of-the-art operations.
1. Our company boasts its own manufacturing facilities in Shandong, Hebei, and Zhejiang, China, each sprawling over approximately 70,000 square meters. Equipped with advanced processing equipment such as large shearing machines, circular shearing machines, straightening machines, annealing furnaces, and comprehensive punching and shearing production lines, our facilities ensure top-notch production capabilities.
2. With an annual inventory exceeding 10,000 tons, we are well-equipped to meet the demands of market customers, ensuring consistent supply. Our expansive sales network spans the globe, with exports reaching over 100 countries, including Brazil, Peru, Cameroon, Senegal, Ghana, Botswana, Samoa, Russia, Thailand, India, and beyond.
3. The superior quality of our products is validated by certifications from ISO9001, SGS, JIS, BV, and more, with each product accompanied by a detailed inspection report to support thorough customer evaluation.
4. Our substantial inventory allows us to fulfill orders promptly, with 24/7 online support and a professional sales and after-sales service team ready to address any challenges you may encounter.
5. Adhering to a strict quality control system, we offer tailor-made solutions to meet your specific requirements. Delivering top-tier quality at competitive prices, we invite you to send an inquiry now to unlock exclusive discounts.
1. who are we?
We are based in TianJin, China, start from 2021,sell to Africa(20.00%),Mid East(15.00%),South America(10.00%),Eastern Europe(5.00%),Southeast Asia(5.00%),Oceania(5.00%),Southeast Asia(10.00%),Central America(5.00%). 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?
Cold Rolled Steel Coil,Steel Pipe,Galvanized Steel Coil,Stainless Steel Plate/Sheet,Seamless Steel Tube
4. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese,Spanish,Portuguese,French,Russian