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What are Solution Annealing stainless steel tubes?
Solution annealing treats the tubes for recrystallizing the work-hardened austenitic stainless steel. The process also helps to draw chromium carbides. Annealing also helps to alter its metallic structure, which in turn, changes the mechanical and electrical properties of the material.
Solution annealing treats the tubes for recrystallizing the work-hardened austenitic stainless steel. The process also helps to draw chromium carbides. Annealing also helps to alter its metallic structure, which in turn, changes the mechanical and electrical properties of the material.
What is the purpose of solution annealing of stainless steel tubes?
Solution Annealing Stainless Steel Tubes manufacturer in India performs this procedure after cold working or welding the tubes. The ss may undergo strain hardening and form grain boundaries during cold working or welding, which can affect its performance and corrosion resistance. The solution annealing process removes strain hardening and restores the ductility, toughness and corrosion resistance properties.
Stainless steel solution annealed tube
Stainless steel solution annealed seamless tube
SS solution annealed tubes
Bright annealing vs solution annealing
Table of Contents
Stainless steel solution annealed tube specifications
Temperature range | Length | Material flow |
---|---|---|
1900°F[1038°C] | 3 & 6 mtr | Liquids , chemicals & Gas |
Testing | Thickness | Shapes |
|
0.8 MM to 4 MM |
|
Sizes | Wall Thickness | Outside Diameter |
1/8” NB to 24” NB |
0.5mm-48mm | 6.00mm-830mm |
stainless steel solution annealed seamless tube types
Solution annealing SS 304 tube
Solution annealed 316 stainless steel tube
Solution annealing stainless steel tube
SS solution annealed tubes chemical composition
Grades | Molybdenum | Manganese (maximum) | Nickel | Carbon(maximum) | Sulfur | Chromium | Silicon(maximum) | Phosphorus | Nitrogen |
---|---|---|---|---|---|---|---|---|---|
304 | – | 2.0 | 8.0-10.5 | 0.08 | 0.030 | 18.0-20.0 | 0.75 | 0.045 | 0.10 |
304L | – | 2.0 | 8.0-12.0 | 0.030 | 0.030 | 18.0-20.0 | 0.75 | 0.045 | 0.10 |
304H | – | 2.0 | 8.0-10.5 | 0.04-0.10 | 0.030 | 18.0-20.0 | 0.75 | 0.045 | – |
316 | 2.00 - 3.00 | 2.0 | 11.00 - 14.00 | 0.08 | 0.030 maximum | 16.00 - 18.00 | 1.0 | 0.045 maximum | 67.845 minimum |
316L | 2.00 - 3.00 | 2.0 | 10.00 - 14.00 | 0.035 | 0.030 maximum | 16.00 - 18.00 | 1.0 | 0.045 maximum | 68.89 minimum |
Mechanical properties of Solution annealing SS tubes
Grade | Elongation | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) |
---|---|---|---|---|---|
304/304H/304L | 35 % | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 |
316/316L/316H | 35 % | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 |
Stainless steel solution annealing tubes equivalent
ASTM | UNS | EN |
---|---|---|
TP304 | S30400 | 1.4301 / 1.4307 |
TP304H | S30409 | 1.4948 |
TP316 / TP316L | S31600 / S31603 | 1.4401 / 1.4404 |
TP316LMo | S31603 | 1.4435 |
TP304L | S30403 | 1.4306 |
TP316H | S31609 | 1.4919 / 1.4918 |
TP316Ti | S31635 | 1.4571 |
Solution annealing ss tubes applications
SS process solution annealing vs quenching
Solution Annealing | Quenching |
---|---|
Not required subsequent heat treatment | Usually needed to be tempered after being quenched |
To restore the material's original structure | To increase hardness |
Fast cooling required | Fast cooling required |
For used in stainless steel and other austenitic materials | For used in high carbon steel & low alloy steels |
Reduce stresses and improve properties like homogeneity and ductility. | Improved Hardness |
Solution annealing process of SS tubes
Solution annealing temperature of stainless steel tubes
Material Grade | Temperature °C |
---|---|
201, 202, 301, 303, 304, 304L, 305, 308 | 1010- 1120°C |
309, 309S, 316 | 1040- 1120°C |
316L, 317L | 1040- 1120°C |
317 | 1066- 1120°C |
321 | 954- 1066 |
347, 348 | 982- 1066 |
Solution annealing SS 304 tubes Industries
SS solution annealed condition
Solid solution condition is maintained by quenching the material in polymer or water
Solution annealed casting
advantages of solution annealed casting of stainless steel
Solution annealing heat treatment of stainless steel
The material is heated to 1,000–1,100 °F during the solution annealing process, breaking it down to the molecular level and standardizing the microstructure.
SS tube solution annealing services
Solution annealing of stainless steel tubes packaging
What is solution annealing procedure for stainless steel pipe?
To get Solution Annealed Stainless Steel Pipe, heat treatment is done on austenitic stainless steel. They are soaked in temperature not less than 1038 degrees C for a considerable time so that the carbon in the steel would become a solid solution. The material then gets quenched rapidly by water or cool air. This helps to prevent the reprecipitation of carbon.
What is difference between annealing and solution annealing?
The primary difference between annealing and solution annealing lies in their purpose. Annealing is done to soften the material. The Solution Annealing Stainless Steel Heat Exchanger Tubes procedure helps to gain desired properties in the material, which include increased strength, impact resistance, hardness, etc
Advantages of SS solution annealed tubes
FAQ
Why is solution annealing necessary for stainless steel?
To enhanced ductility and diminished hardness
What is the heat treatment temperature for solution annealing stainless steel?
between 915F and 990F
What type of stainless steel requires solution annealing and aging?
Austenitic stainless steels like 304, 316, and 321
What temperature does stainless steel solution anneal?
1900°F
What does the microstructure of stainless steel solution annealed consist of?
It is made up of errite grains with micro carbides embedded in them.
What is the solution annealing temperature for stainless steel?
Not less than 1900°F[1038°C]