Yuhong Group Co.,Ltd
| Payment Terms | T/T, L/C at sight |
| Supply Ability | 1000 tons per month |
| Delivery Time | Depending on QTY |
| Packaging Details | Ply-wooden Case / Iron Case |
| Product Name | Alloy Steel U Bend Tube |
| Standard | ASTM A213 |
| Material Grade | TP304 |
| Length | Single, Random |
| Technique | Cold rolled and Cold drawn |
| NDT | HT, ET, UT etc. |
| Application | Heat Exchanger /Condenser / Food |
| High Light | ASTM A213 TP304 U BEND TUBE / BOILER TUBES / HEAT EXCHANGER TUBES |
| Brand Name | YUHONG |
| Model Number | TP304 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T, L/C at sight | Supply Ability | 1000 tons per month |
| Delivery Time | Depending on QTY | Packaging Details | Ply-wooden Case / Iron Case |
| Product Name | Alloy Steel U Bend Tube | Standard | ASTM A213 |
| Material Grade | TP304 | Length | Single, Random |
| Technique | Cold rolled and Cold drawn | NDT | HT, ET, UT etc. |
| Application | Heat Exchanger /Condenser / Food | High Light | ASTM A213 TP304 U BEND TUBE / BOILER TUBES / HEAT EXCHANGER TUBES |
| Brand Name | YUHONG | Model Number | TP304 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHINA |
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
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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