SMLS U Bend Tube ASTM A213 TP304 Petroleum Heat Exchanger Condenser Chemical Oil
Brand Name:YUHONG
Certification:ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number:TP304
Minimum Order Quantity:500kgs
Delivery Time:Depending on QTY
Payment Terms:T/T, L/C at sight
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ASTM A213 TP304 Seamless U Bend Tube Heat Exchanger Condenser Food Oil Gas
What is ASTM A213 TP304 ?
ASTM A213/ASME SA213 TP304 is the standard specification for seamless steel tubing for boilers, superheaters and heat exchangers in ferritic and austenitic alloy steels. u-bends are a special type of tubing used in heat exchangers, which are bent into a U-shape.
ASTM A213/ASME SA213 TP304 U-bends are made of TP304 stainless
steel, an austenitic stainless steel with excellent corrosion
resistance, high temperature resistance and good mechanical
properties.
Do U-bend components require heat treatment?
Yes, U-bends manufactured from ASTM A213/ASME SA213 TP304 stainless steel typically require heat treatment to achieve desired mechanical properties and to reduce residual stresses that can lead to cracking and failure.
The heat treatment process typically consists of heating the U-bend to a specified temperature, maintaining the specified temperature for a period of time, and then cooling the tubing at a controlled rate. The heat treatment process can vary depending on the specific requirements of the application and the standards or codes used.
In the case of ASTM A213/ASME SA213 TP304 U-bends, the standard requires heat treatment after the bend. The heat treatment process is typically performed using a furnace or heat treatment facility capable of meeting the specific requirements of the standard.
After heat treatment, U-bends are typically subjected to a variety of tests to ensure they meet the required specifications and standards. These tests can include hydrostatic testing, flaring testing, hardness testing, and dimensional checks, to name a few.
In summary, heat treatment is an important step in the manufacture of U-bends from ASTM A213/ASME SA213 TP304 stainless steel. It helps achieve desired mechanical properties and reduces residual stresses that can lead to failure.
Mechanical Properties of ASTM A213 TP304
| Grade | Tensile Strength(Mpa) | Yield Point(Mpa) | Elongation(%) | Hardness(HRB) | Solution Temperature |
|---|---|---|---|---|---|
| TP304 | 515 | 205 | 35 | 90 | 1040 |
Chemical Composition of ASTM A213 TP304
| Grade | C | Si | Mn | Cr | Ni | Mo | S | P |
|---|---|---|---|---|---|---|---|---|
| TP304 | 0,08 | 1,0 | 2 | 18 – 20 | 8 – 11 | – | 0,03 | 0,045 |
Standard Dimensions of ASTM A213 TP304
| Standard Dimensions - U-Bent Tube | ||
|---|---|---|
| Outside diameter | 6 -90 mm | ¼”-3 ½” |
| Maximum overall length | 1 - 28 m | 3 - 92 ft |
| Bending Radius Min. | 1,5 × tube diameter | |
| Bending Radius Max. | 1500 mm | 4ft |
Heat Treatment Conditions
| Heat Treatment Conditions |
|---|
| Stress-Relieved Anneal |
| Annealed (Bright Annealing) |
Application
Petroleum
Heat Exchanger
Condenser
chemical
SMLS U Bend Tube ASTM A213 TP304 Petroleum Heat Exchanger Condenser Chemical Oil
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