ASTM A268 TP410 Bright Annealed Stainless Steel Tube Heat Exchanger Tube

ASTM A268 TP410 Stainless Steel Seamless Tube Heat Exchanger Tube Bright Annealed

ASTM A268 TP410 stainless steel tubes are a workhorse grade chosen for their balance of cost, strength, and moderate corrosion/heat resistance. Type 410 is a martensitic (not ferritic, but included under A268 for tubular products) stainless steel.They are a standard choice for feedwater heaters, oil & gas tubulars, and mechanical components where operating conditions are well-defined and not highly aggressive. Always consult corrosion and materials engineers for specific service environment suitability.

Key Characteristics of Stainless Steel Type 410: 

• Martensitic Structure: Can be hardened by heat treatment (quenching and tempering).

• Magnetic: Yes, strongly magnetic.

• Corrosion Resistance: Moderate. Good resistance to atmospheric corrosion, fresh water, mild acids, and alkalis. Not suitable for severe corrosive environments (like chloride-rich settings where pitting can occur).

• Mechanical Properties: High strength and hardness after heat treatment, but with lower ductility compared to austenitic grades (like 304).

• Machinability: Good.

• Weldability: Fair, but requires pre-heating and post-weld heat treatment to avoid cracking and restore corrosion resistance.

ASTM A268 TP410 Stianless Steel Seamless Tube Mechanical Properties

ASTM A268 TP410 Stianless Steel Seamless Tube Chemical Composition % 

ASTM A268 TP410 Stianless Steel Seamless Tube Mechanical Properties

Common Alternatives to Consider:

• For Better Corrosion Resistance: ASTM A269 TP304/316L (Austenitic).

• For Better High-Temp Scaling Resistance: ASTM A213 TP441 (Ferritic).

• For Automotive Exhaust: ASTM A268 TP409 (Ferritic, stabilized, more common for exhausts).

Application

1. Oil & Gas Industry:

• Downhole Tubing: For wells with non-aggressive (sweet) service environments.

• Heat Exchanger & Condenser Tubes: In refineries and processing plants for cooler, less corrosive streams.

• Line Pipe: For gathering lines transporting oil, gas, or water with low corrosivity.

• Mandrels and mechanical components that require strength.

2. Power Generation (Fossil Fuel & Geothermal):

• Feedwater Heater Tubes: A very common application. They withstand the high-pressure, high-temperature feedwater.

• Heat Exchanger Tubes in boilers and condensers.

• Geothermal Well Casing: Where conditions are within its corrosion resistance limits.

3. Automotive & Transportation:

• Fuel Injection Lines: Where strength and resistance to fuel are needed.

• Hydraulic Line Tubes: For brake and hydraulic systems.

• Exhaust System Components: (Less common now, often replaced by higher grades like 409).

4. Mechanical & Structural Applications:

• Bearing Housings and Components: Where hardness is beneficial.

• Sleeves, Bushings, and Pins: Requiring wear resistance.

• Shafts and Spindles.

• Fastener Stock for bolts and nuts needing strength.

5. Heat Treatment & Process Industries:

• Radiant Tubes in certain types of furnaces (limited temperature cycles).

• Carburizing Containers and Trays.

• Tubes for conveying process gases in controlled atmospheres.