TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
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The YB/T 4223 standard covers the specifications for welded austenitic stainless steel tubes intended for use in feedwater heaters. These tubes are designed for optimal performance in high-temperature environments where corrosion resistance and durability are crucial.
The chemical composition of the stainless steel tubes specified by YB/T 4223 is crucial in ensuring their quality and performance. The table below outlines the key chemical components that make up these tubes:
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.08 max |
| Silicon (Si) | 1.00 max |
| Manganese (Mn) | 2.00 max |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.030 max |
| Chromium (Cr) | 16.0-18.0 |
| Nickel (Ni) | 11.0-14.0 |
| Molybdenum (Mo) | 2.0-3.0 |
Understanding the mechanical properties of these stainless steel tubes is essential to ensure their suitability for feedwater heater applications. The table below highlights the key mechanical properties specified under YB/T 4223:
| Property | Values |
|---|---|
| Tensile Strength | 520-720 MPa |
| Yield Strength | 205 MPa min |
| Elongation | 35% min |
| Hardness (Brinell) | 187 max |
The YB/T 4223 stainless steel tubes are specifically designed for use in feedwater heaters, where they are exposed to high temperatures and corrosive environments. These tubes provide excellent corrosion resistance, high strength, and reliability, making them ideal for such critical applications. Their welded austenitic stainless steel construction ensures long-term performance and durability in challenging operating conditions.
Haiyan Sanxin Steel Pipe Factory is a leading manufacturer of steel pipes in China. Located in a region with excellent geographical advantages, the factory is situated close to the Zhoushan Port and Ningbo Port.
Our factory covers an area of more than 25,000 square meters and has been in the steel pipe manufacturing business for 20 years. Over this period, we have accumulated a wealth of professional experience, which has helped us establish ourselves as a trusted name in the industry.
At our factory, we specialize in the production of various types of steel pipes, including stainless steel pipe, carbon steel pipe, copper pipe, steel pipe,seamless steel pipe and welded pipe. Our expertise in this field is evident from the 12 patents that we hold, which demonstrate our commitment to innovation and excellence.
A: manufacturer,also can do trading.
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact with me.