ASTM A179 SA179 Seamless Cold Drawn Low Carbon Steel Heat Exchanger Tubes and Condenser Tubes
Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger Tubes and Condenser Tubes
1. Applications:
For Boilers,
Superheaters,
Tubular Heat-Exchangers,
Condensers
2. Heat transfer apparatus
U bend Tubes according to Customer request
Material: Low Carbon Steel
Production: Seamless Cold Drawn
3. Size range: O.D.:3.2-76.2mm W.T.:1-15mm L: according to customer requirement.
4. Steel grade SA179 Chemical Composition & Mechanical properties
| C | Mn | P | S | Tensile Strength | Yeild point | Elongation | Hardness |
| 0.06-0.18 | 0.27-0.63 | 0.035Max | 0.035Max | min ksi[Mpa] 47[325] | min ksi[Mpa] 26[180] | ≥35% | ≤72HRB |
Surface Finish:
Finish Tubes are free of scale.
We have normal heat treatment annealing with black surface.
Have bright annealing with grey and bright surface.
Surface Finish:
Finish Tubes are free of scale.
We have normal heat treatment annealing with black surface.
Have bright annealing with grey and bright surface.
5.Heat Treatment:
Tubes are heat treated after the final cold draw pass at a temperature of 1200℉(650℃) or higher
6.Mechanical Testing:
Flattening Test
Flaring Test
Flange Test
Hardness Test
ASTM A179 SA179 Seamless Cold Drawn Low Carbon Steel Heat Exchanger Tubes and Condenser Tubes Packing Details : In bundles or in wooden boxes packaging
Delivery Details : 30-60days
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking.
100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.
Impact Testing
Tensile Strength Testing
Chemical Composition Testing
A: A professional steel pipes materials inventor, manufacturer and solution provider
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.
A: Yes, we could offer the sample of SA179 boiler tubes for free charge but need pay the cost of freight.
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us
Our products are sold all over the world, you can rest assured.
