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| After-sales Service: | 24 Hours on Line |
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| Type: | Seamless |
| Technique: | Hot Rolled |
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High-pressure boiler & Superheater Tubes ASTM A192 Seamless Hot Rolled Steel Tube Factory With EN 3.1 Certificate Round 20G Steel Tubing
Carbon steel pipe, a common metal material, is widely used in industry, construction and other fields. It is made of high-quality carbon steel and has the characteristics of high strength, corrosion resistance, and high temperature resistance. The surface of carbon steel pipe is smooth, the inner wall is clean, and it is not easy to scale, ensuring smooth and unobstructed fluid. Its excellent mechanical properties enable it to withstand high-pressure and high-temperature working environments and ensure long-term stable operation. In addition, carbon steel pipes also have good weldability and processability, making it easy for users to customize according to their needs. In short, carbon steel pipes have become the material of choice for many industries due to their excellent performance and wide range of applications.
| Element | C | Mn | P | S | Si | Fe |
| Range | 0.06-0.18 | 0.27-0.63 | ≤0.035 | ≤0.035 | ≤0.10 | Balance |
| Property | Value |
| Tensile Strength | ≥ 325 MPa (47,000 psi) |
| Yield Strength (0.2% offset) | ≥ 180 MPa (26,000 psi) |
| Elongation | ≥ 35% |
| Hardness | ≤ 137 HB (WT ≥ 5.1 mm); ≤ 77 HRB (WT < 5.1 mm) |
| Element | C | Mn | P | S | Si | Fe |
| Range | 0.06-0.18 | 0.27-0.63 | ≤0.035 | ≤0.035 | ≤0.10 | Balance |
| Property | Value |
| Tensile Strength | ≥ 325 MPa (47,000 psi) |
| Yield Strength | ≥ 180 MPa (26,000 psi) |
| Elongation | ≥ 35% |
| Hardness | ≤ 72 HRB |
| Item | ASTM A192 | ASTM A179 |
| Main Application | High pressure boiler & superheater tubes | Heat exchanger & condenser tubes |
| Production Process | Seamless (cold drawn / hot rolled) + normalized / tempered | Cold drawn seamless (high precision & smooth surface) |
| Size Feature | Larger OD, thicker wall | Small & medium OD, thin wall, high precision |
| Hardness Limit | ≤ 137 HB / 77 HRB | ≤ 72 HRB |
| Key Requirements | High temperature strength, high pressure resistance | Thermal conductivity, surface quality, dimensional accuracy |
| Equivalent Chinese Grade | 20G (GB 5310) | 10# carbon steel (GB 8163) |
Q1: Why choose us?
A: Our company, as an internationally experienced and professional supplier, has been engaged in steel business for more than ten years. We can provide a variety of steel products with high quality to our clients.
Q2: Can you provide OEM/ODM service?
A: Yes. Please feel free to contact us for more details.
Q3:What is your terms of payment?
A: 100% T/T advance.
30% T/T and balance against copy of documents.
30% T/T advance, balance L/C at sight.
Q4: Can we visit your factory?
A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
Q5: Can you provide sample?
A: Yes. Sample is free for regular sizes, but the buyer needs to pay freight cost.
Q6: How long is your delivery time?
A: Regular lead time is 15 to 30 days after receiving deposit.
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