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Zhangjiagang Huadian Import & Export Co., Ltd.
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Cold drawn seamless A192 steel tubes|tubing|tube
Hi,this is maria,thanks very much for your interesting to our products,If you want such steel tubes and pipes,or the standard is not listed above,pls do not hesitate to contact me at once.pls tell me,it's my honor to service you!
Tel:+86-18921988727
Zhangjiagang Huadian Import & Export Co., Ltd is a company based in China, we have two factories, one factory manufactures steel tubes and the other factory produces power station equipment.
Jiangsu Dehai Group (Parent Company) | |
Zhangjiagang Huadian Im &Ex Co., Ltd (Subsidiary) | |
Zhangjiagang Huagang IndustrialCo.,Ltd (Factory)
| Specializes in the production of cold-drawn/cold-rolled precision seamless steel tubes,such as bright oil tubes etc. |
Zhangjiagang Huadian Power Equipment Co.,Ltd (Factory) | A manufacturer of power station boiler, industrial boiler, waste heat boiler, refusefired boiler, biomass boiler and the correlated pressure parts integrating the design, manufacture, installation, repair and maintance |
Seamless carbon steel boiler tubes for high-pressure service
Application
for boilers, super heaters, heat-exchangers, and high- pressure.
Chemical composition
| C | 0.06-0.18 |
| Mn | 0.27-0.63 |
| P | ≤0.035 |
| S | ≤0.035 |
| Si | ≤0.25 |
Mechanical properties
Tensile strength: min 47 ksi (325 Mpa)
Yield strength: min 26 ksi (180Mpa)
Elongation: ≥35%
Hardness
Rockwell hardness: W.T≥0.200 inches (5.1mm), then 77HRB
Tolerance
| O.D. inch (mm) | + | - | W.T. inch (mm) | + | - |
| <1”(25.4) | 0.10 | 0.10 | ≤1.1/2”(38.1) | 20% | 0 |
| 1”-1.1/2”(25.4-38.1) | 0.15 | 0.15 | >1.1/2”(38.1) | 22% | 0 |
| 1.1/2”-2”(38.1-50.8) | 0.20 | 0.20 | - | - | - |
| 2”-2.1/2”(50.8-63.5) | 0.25 | 0.25 | - | - | - |
| 2.1/2”-3”(63.5-76.2) | 0.30 | 0.30 | - | - | - |
Delivery Conditions:Annealed, Normalized, Normalized and Tempered
Inspection and Test:Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength,Yield Strength, Elongation, Flaring, Flattening, Hardness, Impact Test), Surface and Dimension Test,No-destructive Test, Hydrostatic Test.
Surface treatment:Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting.