| Customization: | Available |
|---|---|
| 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 |
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| 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. stands as a beacon of excellence and a pioneer in the global steel industry. Our steadfast commitment to manufacturing brilliance shines through our diverse product range, which includes galvanized steel coils, pre-painted galvanized steel coils, an extensive selection of steel pipes, plates, and a wide variety of stainless steel products such as sheets, pipes, profiles, bars, and coils. Our operational prowess is strengthened by our strategically positioned branch offices across China, with our headquarters positioned in the dynamic city of Tianjin. We proudly collaborate with leading stainless steel giants like TISCO, BAOSTEEL, and POSCO (ZPSS), ensuring our place at the forefront of premium-grade steel suppliers. With a stunning inventory of over 2,000 tons and more than 800 unique specifications, our products are highly sought after not only within China but across prestigious international markets, including Saudi Arabia, Yemen, the UAE, Syria, Kuwait, Lithuania, Azerbaijan, Russia, Indonesia, Vietnam, Egypt, Malaysia, the Philippines, Bolivia, and Colombia. Our unwavering pursuit of excellence remains the cornerstone of our operations.
With a steadfast commitment to the highest standards of quality control and exceptional customer service, our team of seasoned professionals is always prepared to meet your every need and ensure your complete satisfaction. We are devoted to expanding our global reach and look forward to forging long-term partnerships. If you share a vision of collaboration, we warmly invite you to reach out and explore the possibilities. We also extend a cordial invitation to visit our state-of-the-art production facilities at your convenience, offering a unique glimpse into our advanced operations.
1. Our company boasts its own manufacturing facilities located in Shandong, Hebei, and Zhejiang, China. Each facility spans an impressive 70,000 square meters and is equipped with state-of-the-art processing equipment, including large shearing machines, circular shearing machines, straightening machines, annealing furnaces, and comprehensive punching and shearing production lines.
2. With an annual inventory exceeding 10,000 tons, we guarantee to meet the diverse needs of market customers. Our expansive sales network reaches every corner of the globe, having exported to over 100 countries, including Brazil, Peru, Cameroon, Senegal, Ghana, Botswana, Samoa, Russia, Thailand, India, and many more.
3. Our product quality is certified by ISO9001, SGS, JIS, BV, and more. Each product is accompanied by a detailed inspection report, ensuring full transparency and supporting thorough customer inspections.
4. We maintain a robust inventory, allowing for immediate order fulfilment. Our dedicated 24/7 online support, along with our professional sales and after-sales service teams, are ready to address and resolve any issues you may encounter.
5. We implement a stringent quality control system and offer customization to meet your specific size requirements. Enjoy premium quality at competitive prices. Send us an inquiry today to discover more discounts and exclusive offers.
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
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