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Steel Pipe Elbow

Steel Pipe Elbow Elbow Type: 45 Degree/90 Degree/180 Degree Elbow, Long Radius/Short Radius Elbow Material & Standard: Carbon Steel --- ASME B16.9, ASTM A234 WPB Stainless Steel --- ASTM A403 304/304L/310/310S/316/316L/317L/321 Alloy Steel --- ASTM A234 WP1/5/9/11/12/22/91 Specification: NPS: 1/2''~24''(Seamless), 24''~72''(Welded) DN: 15~1200, WT: 2~80mm, SCH 5~XXS Bending Radius: R=1D~10D, R=15D, R=20D Surface: Light Oiling, Black Painting, Galvanizing, PE /3PE Anti-corrosion Coating Packing: Packed in Wood Cabins/Wood Tray

Classification :

Keyword: Stainless Steel Pipe




Product Details


Seamless Elbow Manufacturing Process (Heat Bending & Cold Bending)

One of the most common methods for manufacturing elbows is using hot mandrel bending from straight steel pipes. After heating the steel pipe at a elevated temperature, the pipe is pushed, expanded, bended by the inner tools of mandrel step by step. Applying hot mandrel bending can manufacture a wide size range seamless elbow. The characteristics of mandrel bending are strongely depend on the intergrated shape and dimensions of the mandrel. The using advantages of hot bending elbows include smaller thickness deviation and stronger bending radius than other bending methond type. Meanwhile, using bending instead of prefabricated bends substantially reduces the number of welds needed. This reduces the amount of work required and increases the quality and usability of pipes. However, cold bending is the process to bent the straight steel pipe at normal temperatures in a bending machine. Cold bending is suitable for pipes with an outer diameter of 17.0 to 219.1 mm, and wall thickness 2.0 to 28.0 mm. The recommended bending radius is 2.5 x Do. Normally at a bending radius of 40D. By using cold bending, we can get small radius elbows, but we need to pack the internals with sand to prevent wrinkling. Cold bending is a quick and inexpensive bending method. It is a competitive option for making pipelines and machine parts.

Welded Elbow Manufacturing Process (Small & Large)

Welded elbows are made from the steel plates, so it is not seamless steel elbows. Use a mould and press the steel plate to the shape of the elbow, then weld the seam to be a finish steel elbow. It is the old production method of the elbows.  Recent years the small sizes elbows are almost manufactured from the steel pipes now. For the big size elbows, for example, it is very difficult to produce elbows over 36” OD from the steel pipes . So it is commonly made from the steel plates,  pressing the plate to the shape of half elbow, and welding the two halves together.  Since the elbows are welded in its body , the inspection of the welding joint is necessary . Commonly we use the X-Ray inspection as the NDT.

Elbow-01

CERTIFICATE OF HONOR

COOPERATIVE PARTNER

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WHY CHOOSE US

Since its establishment, the company has always implemented the policy of "credibility first, advanced service, commitment, and customer first", adhered to the corporate philosophy of "integrity management, mutual benefit, and common development", and adhered to the corporate philosophy

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Experience


TISCO Tongchuang (Wuxi) Metal Products Co., Ltd. is a steel company integrating production, supply, sales and export.

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Quality Assurance


We put customer satisfaction in the first place and strictly follow customer requirements for production.

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Marketing Network


The products are exported to Southeast Asia, the Middle East, North America, South America, Europe, Africa, Australia and other regions

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Perfect Service


Adhere to "integrity management, mutual benefit and common development" and serve global customers wholeheartedly.

FAQ

Q: Do you accept the third party inspection?

A: Yes absolutely we accept.

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Q: Do you provide the samples? Free or Extra?

A: The cost of the samples is according to the value.The cost of the freight is necessary.

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Q: About the complaint,quality problem,etc after-sales service,how do you handle it?

A: We will have certain colleague to follow our order accordingly for each order with professional after-sales service. If any claim happen, we will take our responsibility and compensate as per contract. For better serve our client, we'll keep tracing feedback of our products from clients and that's what make us different from other suppliers. We're customer care enterprise and our mission is to add honor to Made in China.

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Q: How can you ensure the quality of your product?

A: All products have to go through three checks in the whole manufacturing process,it includes production and Random Testing in warehouse and Before Shipping.

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Q: What is your delivery time and the supply ability?

A:The delivery time normally within 15~28working days,we can supply about 10,000tons every month.

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Q: How to order?

A: Buyer sends the enquery --> Buyer gets the quotation --> Order confirmation --> Buyer send the deposit --> Seller prepares goods --> Seller makes the strict inspection --> Buyer Arranges Balance Payment --> packing and delivery

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Q: Can I get your best price?

A: Price is different based on steel grade, size and quantity. Our goal is to provide you the best price with great quality assured in a long run. Please leave your contact information for the best quotations, we will get back to you with the best solutions as soon as we can. Please give those info. for price checking. If the required is sheet metal fabrication, please send drawing.

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Q: Do you have large amount of steel products in stock?

A: Yes , we have a large-scale indoor warehouse with perennial spot stocks totally above 5000 tons.

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