GB 5310 20MnG High Pressure Boiler Tubes
GB 5310 20MnG is another low alloy steel with excellent mechanical properties and high temperature strength. 20MnG high-pressure seamless boiler tubes are widely used in power plant boilers, and their quality and performance are important factors to ensure reliable and safe operation of boilers.
Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of gb 5310 20mng high pressure boiler tubes in China, also supports customized service with low price. Welcome to wholesale discount gb 5310 20mng high pressure boiler tubes for sale here from our factory. Contact us for free sample.
Seamless Boiler Pipe
GB 5310 20MnG High Pressure Boiler Tubes Description
20MnG high-pressure seamless boiler tubes have similar applications to 15MoG, including use in power plant boilers as superheaters, reheaters, steam tubes, and other high-pressure components. These tubes are typically used at working pressures above 9.8 MPa and at working temperatures between 450°C and 650°C. 20MnG high-pressure seamless boiler tube has good strength, toughness, corrosion resistance and dimensional accuracy. They also have a low coefficient of thermal expansion, which reduces thermal stress during operation.
GB 5310 20MnG High Pressure Seamless Boiler Tubes Specification
| Product Name | GB 5310 20MnG High Pressure Seamless Steel Boiler Tubes |
| Standard | GB 5310 |
| Steel Grade/Material | 20G, 20MnG, 25MnG, 15MoG, 20MoG,12CrMoG,15CrMoG,12Cr2MoG,12Cr1MoVG |
| Outer Diameter(OD) | 1.5”-28”(38mm-720mm) |
| Wall Thickness(WT) | 2.6mm-60mm |
| Length | 5.8-16m or OEM |
| Packing | Plastic cap or bundling |
| Surface Treatmengt | Black paint, 3LPE,3LPP, FBE or OEM |
| Section Shape | Round |
| Technique | Seamless hot rolled |
| Application | High pressure boiler tube |
| Place of Origin | China |
| MOQ | 30 ton |
Seamless High Pressure Boiler Tubes
Heat treatment for GB 5310 20MnG High Pressure Boiler Tubes
| Grade | Heat treatment |
| 20MnG | 880 ℃～940 ℃,Normalizing |
Chemical composition of GB 5310 20MnG
| Steel Pipe | Chemical Composition(%) | |||||||||
| C | Si | Mn | Cr | Mo | V | Ni | Cu | P | ||
| Max | ||||||||||
| 20MnG | 0.17～0.23 | 0.17～0.37 | 0.70～1.00 | ≤0.25 | ≤0.15 | ≤0.08 | ≤0.25 | ≤0.20 | 0.025 | |
Mechanical properties of GB 5310 20MnG
| Steel Pipe | Tensile properties | Impact energy(Akv)，J | Hardness | |||||||
| Tensile strength (MPa) |
Yield Strength (MPa) |
Elongation % |
Portrait | Landscape | A | B | C | |||
| HBW | HV | HRC | ||||||||
| Portrait | Landscape | |||||||||
| Max | Min | |||||||||
| 20MnG | ≥415 | 240 | 22 | 20 | 40 | 27 | — | — | — | |
ABOUT US
GNEE Steel Pipe Group is a highly influential industrial and trading enterprise in China's steel industry, covering an area of 100,000 square meters and specializing in steel pipe production for 15 years. Our products include seamless carbon steel pipe, seamless stainless steel pipe, seamless alloy steel pipe, spiral welded pipe, high-frequency resistance welded pipe and so on. The annual output value is 1 billion yuan. In addition, the company has a warehouse of 20,000 square meters. The stock of steel pipes is more than 50,000 tons. The factory has been developing rapidly since 2008, and has quickly opened up overseas markets with excellent product quality and after-sales service. Both product price and product quality are highly praised. At present, the company exports to more than 150 countries and regions around the world, the factory production staff of more than 200 people. There are 70 people in the foreign trade export team, 20 people in the purchasing staff and 20 people in the professional after-sales service team. The company focuses on steel pipe production and sales, and aspires to become the world's most internationally competitive supply chain group.
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