
Large Diameter Spiral Welded Hot Cold Round Square Rectangular Metal Seamless Steel Pipe
Gnee product including Austenitic and Nickel-Alloy grades both in seamless and welding type, in addition to Stainless steel industrial pipe, company also produce precision tubes such as BA(Bright annealing) and EP(electropolishing) and it's annual output value exceeds 300 million yuan, company get the certificates of ISO9001-2015/PED/DNV/ABS and national special equipment manufacturing license (pressure piping components).
| Material | Austenitic 300 series dual grade duplex and super duplex super austenitic seamless stainless steel pipe tube 400 series steel for heat exchanger/condenser/semiconductor/corrosion media transport/chemical and mechanical industry & Precision tube. | |
| Standard | GB/T, ANSI, ASTM, ASME, DIN, EN10216, JISG, GOST 9941, etc | |
| Shape | Seamless welded Round Pipe/Tube, Plate, Sheet, Round Rod(Bar) Rectangular and square | |
| Surface | Annealing & Pickling, Anneal, passivate, Bright Annealing (BA Finished), Electropolishing (EP), Grinding, Polish, etc. | |
| Material Grade | 300 series austenitic | 304 304H 321 321H 316 316L 317 317L 347 347H 309 310S 310H 310 |
| Duplex and super duplex | Duplex: 31803 UNS S31803 32205 2205 UNS S32205 32304 UNS S32304 Super duplex: 2507 32750 UNS S32750 32760 UNS S32760 |
|
| Super austenitic | AL6XN N08367 N08904 904 904L | |
| 400 series | 405 410 430 409 439 429 430Ti | |
| Dual grade | 304/304L 304/304l 304/l 316/316L 316/316l 316/L 304/L | |
| Specification | Pipe/Tube range |
od 6.35-762mm,wt 0.51-50.8mm ,Length Typically 6096mm |
| Plate/Sheet range |
width ≤ 2400mm,Thk≤63.5mm(for rectangular plate) Dia ≤1800mm, Thk≤63.5mm(for round plate) |
|
| Application | It is widely used in High-temperature and Electrical industry, Medical devices, Heat-exchanger, Boiler, Chemistry, Aerospace, Nuclear power, laboratory, special gas transport, semiconductor, solar and Marine seabed gas and oil transport, liquid Etc. | |
| Payment terms | 1)30% deposit,the balance against copy of B/L by T/T. 2) 30% deposit by T/T, the balance by irrevocable L/C at sight. |
|
| Delivery time | Delivery time: about 2 Months | |
| Samples | Free samples are provided for that length less than 350mm but the freight is borne by the buyer, but we permit to return to buyer after order placed. | |
FAQ
Q: How do you ensure the quality of the product?
A: All products must undergo three inspections throughout the entire manufacturing process, including production, cutting, and packaging. The factory inspection report is provided with the goods. If necessary, third-party inspections such as SGS can be accepted.
Q: What are your main products?
A: Our main products are galvanized steel coils and various types of steel pipes. In addition, we also have carbon steel coils, stainless steel coils, corrugated plates, angle steel, H (I) steel, channel steel, bars, and pipe fittings.
Q: Can we visit your factory?
A: Of course, we welcome you to visit our factory on-site or visit our production line through online videos to learn more about our strength and quality. Once we have your schedule, we will arrange a professional sales team to follow up with you.
Q: How long can I get the price?
A: Please provide the product specifications, such as material, size, quantity, and other requirements. We usually quote within 6 hours, and the steel price fluctuates daily with the market. Our prices are very competitive because we are a factory. If you are very eager to obtain a price, please call us or let us know in an email so that we can prioritize your inquiry.
Q: Are you a manufacturer?
A: Yes, we are manufacturers, not agents. We are a manufacturer with 11 years of experience in producing steel pipes and galvanized sheet coils. We have our own factory located in Henan, China. You can get the true factory price and quality from us. Welcome to contact us!
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