Prime Quality Customized Stainless Steel Pipe
The diameter of the hot rolled (hot extrusion) steel pipe is 54 ~ 480mm, and the wall thickness is 4.5 ~ 45mm; The diameter of the cold-drawn (rolled) steel pipe is 6 ~ 200mm, and the wall thickness is 0.5 ~ 21mm.
Stainless steel seamless pipe is a long strip of steel with a hollow cross-section and no joints around it. It is made of steel ingot or solid tube blank perforated to make a tube, and then hot rolled, cold rolled or cold drawn to make, with a hollow section and no joints around.
High strength: can withstand pressure in extreme environments such as high pressure and high temperature.
Corrosion resistance: Stainless steel can resist the erosion of acid, alkali and other chemical substances to maintain long-term good performance.
Stability: With good thermal stability, not easy to deformation, cracking and other quality problems.
Processing classification
According to the rolling method: divided into hot rolling, hot extrusion and cold drawing (rolling) stainless steel pipe.
According to stainless steel metallographic structure: divided into half ferritic half martensite, martensite, Austenitic system, austenite-ferritic iron series stainless steel seamless pipe.
According to the section shape: it is divided into round tubes and shaped tubes, of which round tubes are the most widely used, but there are also some square, rectangular, semi-circular and other shaped stainless steel pipes.
Chemical Composition
| Element | % Present (in product form) |
|---|---|
| Carbon (C) | 0.03 |
| Silicon (Si) | 1.00 |
| Manganese (Mn) | 1.00 |
| Phosphorous (P) | 0.040 |
| Sulfur (S) | 0.015 |
| Chromium (Cr) | 17.5 - 18.5 |
| Titanium (Ti) | 0.10 - 0.60 |
| Niobium (Nb) | (3xC+0.30) to 1.00 |
| Iron (Fe) | Balance |
Application field
Stainless steel seamless pipe because of its excellent performance, has been widely used in many fields:
Petroleum, chemical: used to transport oil, natural gas and other fluid media, withstand high pressure, high temperature and corrosion environment.
Mechanical manufacturing: Used to manufacture various mechanical parts and structural parts, such as bearing rings, jack sleeves, etc.
Building water supply: In the high-quality drinking water system and hot water system, it has the characteristics of safety and reliability, health and environmental protection, economic application and so on.
Other: Can also be used in medical equipment, food processing, aerospace and other fields.
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