gnee pipe team
What is the ASTM equivalent of 12Cr1MoVG pipe?
The total amount of alloy in 12Cr1MoVG steel is only one half of that of 2.25Cr-1Mo steel, but the endurance strength (580 ° C) is 1.4 times of that of 2.25Cr-1Mo steel. Similar steel grades widely used abroad include ASTM a405 p24 in the United States, bs3604 in the United Kingdom, DIN 13crmov42 in Germany, etc.
12Cr1MoVG alloy steel pipe has higher oxidation resistance and thermal strength. The creep limit of this steel is very close to the durable strength value, and it has high plasticity under sustained stretching; the steel has good processability and weldability, but it needs to be preheated to 300°C before welding, and stress relief is required after welding. deal with. This kind of steel is mainly used after normalizing and high-temperature tempering to manufacture superheated steel pipes, conduits, serpentine pipes and other corresponding forgings in high-pressure equipment whose working temperature does not exceed 570~585℃.
Heat treatment for GB 5310 12Cr1MoVG High Pressure Boiler Tubes
980 ℃～1 020 ℃,Normalizing,980 °C ~ 1 020 °C normalizing, when the wall thickness is greater than 30 mm, forced cooling; 720 °C ~ 760 °C tempering.
Chemical composition of GB 5310 12Cr1MoVG
| Grade | Chemical Composition(%) | |||||||||
| C | Si | Mn | Cr | Mo | V | Ni | Cu | P | S | |
| Max | ||||||||||
| 12Cr1MoVG | 0.08～0.15 | 0.17～0.37 | 0.40～0.70 | 0.90～1.20 | 0.25～0.35 | 0.15～0.30 | ≤0.30 | ≤0.20 | 0.025 | 0.020 |
| Steel Pipe | Tensile properties | Impact energy(Akv),J | ||||
| Tensile strength (MPa) |
Yield Strength (MPa) |
Elongation % |
Portrait | Landscape | ||
| Portrait | Landscape | |||||
| Max | ||||||
| 12Cr1MoVG | 470～640 | 255 | 21 | 19 | 40 | 27 |
Structural seamless pipe 12CrMoVG
Gnee company covers an area of 35,000 square meters and has more than 200 employees, including 80 technical staff. We have established an effective and complete quality control and assurance system. The company has also obtained ISO9001 quality system certification.
Gnee Company Team
FAQ
Q: What services do you provide?
A: Customized service for each customer, please feel free to contact us!
Q. Do you have a quality control system?
A.Yes, we have our own quality control laboratory.
Q. Can you provide samples?
A.We can provide them for free, you need to bear the shipping cost.
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