TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
Add to Cart
ASTM A999 is a standard specification that covers the requirements for stainless steel tubes and pipes used in various applications. The grades TP304H, TP309H, TP309HCb, TP310H, and TP310HCb are specifically designed to meet high-temperature and high-stress environments, making them suitable for industries such as petrochemical, power generation, and heat exchangers.
The materials specified under ASTM A999 are designed to provide excellent corrosion resistance and mechanical properties at elevated temperatures. Each grade has unique characteristics that make it suitable for specific applications.
| Grade | C (%) | Mn (%) | Si (%) | P (%) | S (%) | Cr (%) | Ni (%) | Mo (%) |
|---|---|---|---|---|---|---|---|---|
| TP304H | 0.08 | 2.00 | 0.75 | 0.045 | 0.030 | 18.00 | 8.00 | - |
| TP309H | 0.20 | 2.00 | 0.75 | 0.045 | 0.030 | 22.00 | 12.00 | - |
| TP309HCb | 0.20 | 2.00 | 0.75 | 0.045 | 0.030 | 22.00 | 12.00 | 1.00 |
| TP310H | 0.25 | 2.00 | 0.75 | 0.045 | 0.030 | 25.00 | 20.00 | - |
| TP310HCb | 0.25 | 2.00 | 0.75 | 0.045 | 0.030 | 25.00 | 20.00 | 1.00 |
| Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) | Hardness (HB) |
|---|---|---|---|---|
| TP304H | 205 | 515 | 40 | 183 |
| TP309H | 205 | 550 | 35 | 190 |
| TP309HCb | 205 | 550 | 30 | 190 |
| TP310H | 205 | 600 | 30 | 200 |
| TP310HCb | 205 | 600 | 25 | 200 |
The steel grades TP304H, TP309H, TP309HCb, TP310H, and TP310HCb are classified under the austenitic stainless steel category. These grades are known for their high chromium and nickel content, which contribute to their excellent corrosion resistance and high-temperature strength.
These stainless steel tubes and pipes are widely used in:
While TP304H, TP309H, TP309HCb, TP310H, and TP310HCb are excellent choices for high-temperature applications, alternative grades may include:
These alternative grades may be selected based on specific application requirements and environmental conditions.
In conclusion, ASTM A999 TP304H, TP309H, TP309HCb, TP310H, and TP310HCb stainless steel tubes and pipes offer a robust solution for high-temperature and corrosive environments, making them essential materials in various industrial applications.
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.