TOBO STEEL GROUP CHINA
| Payment Terms | T/T, Western Union |
| Supply Ability | 10000t/month |
| Delivery Time | 20 workdays |
| Packaging Details | Plastics+wooden |
| Material | Stainless Steel |
| Shape | Equal |
| Connection | Welding |
| Technics | Forged |
| Head code | round |
| Type | Elbow |
| Application | Connect Pipes |
| Standard | DIN,ANSI,BS |
| Brand Name | TOBO |
| Model Number | 90D |
| Certification | SGS/ABS/LR/TUV/DNV/BIS/API/PED |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, Western Union | Supply Ability | 10000t/month |
| Delivery Time | 20 workdays | Packaging Details | Plastics+wooden |
| Material | Stainless Steel | Shape | Equal |
| Connection | Welding | Technics | Forged |
| Head code | round | Type | Elbow |
| Application | Connect Pipes | Standard | DIN,ANSI,BS |
| Brand Name | TOBO | Model Number | 90D |
| Certification | SGS/ABS/LR/TUV/DNV/BIS/API/PED | Place of Origin | China |
| High Light | 90 Degrees 304 Stainless Steel Elbow ，Long Radius Seamless Butt Welding Fittings ，Equal Seamless Butt Welding Fittings | ||
304 Stainless Steel Elbow Stainless Steel Elbow 90 Degrees Chemical Industry Elbow Long Radius Seamless Butt Welding
Stamping elbow is the earliest forming technology used in mass production of seamless elbow. It has been replaced by hot push method or other forming technology in the production of common specifications of elbow. However, in some specifications of elbow, the production quantity is small, the wall thickness is too thick or too thin.
The product is still in use when it has special requirements. Elbow stamping is formed by using the tube blank equal to the outer diameter of the elbow, which is directly pressed by the press in the mold.
Before stamping, the tube blank is placed on the lower die, and the inner core and end die are loaded into the tube blank. The upper die moves down and begins to press, and the elbow is formed by the constraint of the outer die and the support of the inner die.
Compared with the hot push process, the appearance quality of stamping is inferior to the former. When the stamping elbow is formed, the outer arc is in a stretch state, and there is no excess metal compensation in other parts, so the wall thickness at the outer arc is reduced about 10%. However, due to the characteristics of being suitable for single piece production and low cost, stamping elbow technology is mostly used in the manufacture of small batch and thick wall elbow.
Stamping elbow is divided into cold stamping and hot stamping, usually according to the material properties and equipment capacity of the choice of cold stamping or hot stamping.
The forming process of cold extrusion elbow is to use a special elbow forming machine, put the tube blank into the outer mold, after the upper and lower mold, under the push rod, the tube blank along the inner mold and the outer mold reserved clearance movement and complete the forming process.
Using internal and external die cold extrusion process manufacturing elbow beautiful appearance, uniform wall thickness, small size deviation, so for stainless steel elbow, especially thin-walled stainless steel elbow forming more use this process manufacturing. The internal and external mold used in this process requires high precision; The requirement of wall thickness deviation is also very strict.
Company Details
Business Type:
Manufacturer,Agent,Importer,Exporter,Trading Company,Seller
Year Established:
1998
Total Annual:
3,000,000-10,000,000
Employee Number:
200~300
Ecer Certification：
Verified Supplier
TOBO GROUP sales head offce in Shanghai. We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area of 6,8,000square meters, existing 260 workers and 45 technicia... TOBO GROUP sales head offce in Shanghai. We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area of 6,8,000square meters, existing 260 workers and 45 technicia...
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