TOBO STEEL GROUP CHINA
| Payment Terms | Western Union, T/T |
| Supply Ability | 10000t/month |
| Delivery Time | 20 workdays |
| Packaging Details | Plastics+wooden |
| Application | Boiler Pipe |
| Alloy or not | Is Alloy |
| Technique | Hot Rolled |
| Thickness | 1 - 30 mm |
| Surface treatment | Galvanized |
| Section shape | Round |
| Brand Name | TOBO |
| Model Number | 316L |
| Certification | SGS/ABS/LR/TUV/DNV/BIS/API/PED |
| Place of Origin | China |
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Product Specification
| Payment Terms | Western Union, T/T | Supply Ability | 10000t/month |
| Delivery Time | 20 workdays | Packaging Details | Plastics+wooden |
| Application | Boiler Pipe | Alloy or not | Is Alloy |
| Technique | Hot Rolled | Thickness | 1 - 30 mm |
| Surface treatment | Galvanized | Section shape | Round |
| Brand Name | TOBO | Model Number | 316L |
| Certification | SGS/ABS/LR/TUV/DNV/BIS/API/PED | Place of Origin | China |
| High Light | DN100 Nickel Alloy Pipe ，Hollow Round Seamless Steel Pipe ，PED Seamless Steel Pipe | ||
Galvanized Pipe DN50 Galvanized Steel Pipe DN100 Galvanized Large Diameter Pipe DN300-DN600 Seamless Steel Pipe
hardness
Stainless steel tube commonly used brinell, Rockwell, Vickers three hardness indicators to measure its hardness.
Brinell hardness
In the stainless steel tube standard, brinell hardness is the most widely used, often to indentation diameter to express the hardness of the material, both intuitive and convenient. However, it is not suitable for hard or thin steel pipes.
Rockwell hardness
The Rockwell hardness test of stainless steel tube is the same as brinell hardness test, which is the indentation test method. The difference is that it measures the depth of the indentation. Rockwell hardness test is a widely used method at present, among which HRC is second only to Brinell hardness HB in steel pipe standard. Rockwell hardness can be applied to determine from very soft to very hard metal materials, it makes up for the Brinell method is not, is simpler than brinell method, can be directly from the hardness machine dial read hardness value. However, due to the small indentation, the hardness value is not as accurate as buchwald method.
Vickers hardness
Stainless steel tube Vickers hardness test is also an indentation test method, can be used to determine the hardness of very thin metal materials and surface layer. It has the main advantages of Brinell and Rockwell methods and overcomes their basic disadvantages, but it is not as simple as Rockwell methods and is seldom used in steel pipe standards.
Hardness testing
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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