A312 TP309S Stainless Steel Condenser Tube
GNEE specializes in the production of stainless steel pipes that meet international specifications. A312 TP309S Stainless Steel Pipe has excellent mechanical properties and a wide range of applications. Combining the above advantages, we can provide products that best meet customer requirements.
A312 TP309S High Temperature Stainless Steel Pipe also known as UNS S30908 Pipes has a high work hardening rate. However, it is fully annealed after cold working to reduce internal stress. A312 TP309S Condenser Tube can be annealed in the temperature range of 1038 to 1121°C (1900 to 2050°F) and then quenched with water.
A312 TP309S Seamless Condenser Tube is commonly used in applications where it will be exposed to high temperature, high pressure and corrosive applications, such as petrochemical, chemical processing, power generation, and oil and gas industries.
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ASTM A312 TP309S High temperature condenser tubes Chemical Composition
| A312 GRADES | UNS | C | Mn | P | S | Si | Cr | Ni | Mo | Ti | Nb | N |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 309S | S30908 | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 22.0-24.0 | 12.0-15.0 | 0.75 |
ASTM A312 TP309S Heat exchanger tubes Mechanical Properties
| Type | Yield Strength 0.2% offset (KSI) | Tensile Strength (KSI) | % Elongation (2" Gauge length) | Hardness Rockwell |
|---|---|---|---|---|
| 309S | 30 min. | 75 min. | 40 min. | HRB 95 max. |
A312 TP309S High temperature stainless steel seamless pipe

Why choose us
gnee has 14 steel production lines, 10 processing equipment for processing, bending, painting, heat treatment, cutting, drilling, beveling, tempering, surface treatment, complete testing equipment and strong technical force. The annual production capacity is more than 60,000 tons.
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FAQ
1.Q.Why choose you?
A.Firstly quality, secondly price, we can give you both. Our service formula: good quality + good price + good service = customer's trust.
2.Q.Can your products be customized?
A.Yes, we can produce and process according to your requirements.
3.Q.Do you have quality control?
A.Yes, we have got BV.SGS certification.
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