YUHONG HOLDING GROUP CO., LTD
| Material | Low-Carbon Steel |
| Supply Ability | 1000 tons / month |
| Testing | Hydrostatic / ET / UT as Required |
| Packaging Details | Steel frame wooden case with plastic cap |
| Type | U Bend , Straight , Coil |
| Delivery Time | Depends on order quantity |
| Documentation | MTC and Inspection Reports |
| Wall Basis | Minimum Wall Thickness |
| Standard | ASME SA-179/SA-179M |
| Payment Terms | L/C,T/T |
| Heat Treatment | Mill Finished, Bright Annealed , Polished |
| Place of Origin | China |
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Product Specification
| Material | Low-Carbon Steel | Supply Ability | 1000 tons / month |
| Testing | Hydrostatic / ET / UT as Required | Packaging Details | Steel frame wooden case with plastic cap |
| Type | U Bend , Straight , Coil | Delivery Time | Depends on order quantity |
| Documentation | MTC and Inspection Reports | Wall Basis | Minimum Wall Thickness |
| Standard | ASME SA-179/SA-179M | Payment Terms | L/C,T/T |
| Heat Treatment | Mill Finished, Bright Annealed , Polished | Place of Origin | China |
| High Light | ASME SA179 carbon steel U bend tube ，U tube bundle for heat exchanger ，TEMA heat exchanger carbon steel tube | ||
ASME SA-179 seamless cold-drawn low-carbon steel U-bend tubes are supplied for shell and tube heat exchanger, condenser and U tube bundle fabrication.
The base tubes are manufactured in accordance with the specified edition of ASME SA-179/SA-179M and the applicable general requirements of ASME SA-450/SA-450M. U-bend radius, straight leg length, tube pitch, dimensional tolerances, post-bending inspection and additional testing are controlled according to the approved drawing and purchase order.
| Item | Specification |
|---|---|
| Product | Seamless Cold-Drawn U-Bend Tube |
| Material Standard | ASME SA-179/SA-179M |
| Material | Low-Carbon Steel |
| Application | Shell and Tube Heat Exchanger, Condenser, U Tube Bundle |
| Manufacturing Process | Seamless, Cold Drawn and U-Bent |
| Wall Basis | Minimum Wall Thickness |
| Outside Diameter | According to customer requirement |
| Bend Radius | According to approved drawing |
| Tube Pitch | According to approved drawing |
| Tube End | Plain, Cut-to-Length or Customized |
| Element | ASME SA-179/SA-179M Requirement |
|---|---|
| Carbon, C | 0.06–0.18% |
| Manganese, Mn | 0.27–0.63% |
| Phosphorus, P | 0.035% max |
| Sulfur, S | 0.035% max |
The SA-179 base tubes are produced by the seamless process and cold drawn. After the final cold-drawing pass, the base tubes are heat treated at a temperature of at least 1200°F / 650°C.
Quality control can include:
The final testing scope is confirmed according to the purchase order, specified code edition and customer technical requirements.
Each U-bend tube is manufactured according to the approved drawing. The following dimensions and conditions can be checked during production:
| Inspection Item | Control |
|---|---|
| Centerline Bend Radius | According to drawing |
| Straight Leg Length | Dimensional inspection |
| Tube Pitch | Gauge or dimensional inspection |
| Leg Parallelism | Checked after bending |
| Bend Ovality | Checked when specified |
| Wall Thinning at Bend | Checked when specified |
| Bend Surface | Visual inspection |
| Post-Bending Heat Treatment | According to PO or drawing |
| Additional NDE | ET, UT or other specified method |
The documentation package can be prepared according to the purchase order, including:
ASME SA-179 U-bend tubes are commonly supplied for:
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
1990
Total Annual:
50M-75M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
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