12Cr1MoVR steel plate is a special Cr-Mo steel for pressure vessels; "12" means carbon content is 0.12%; "Cr" is a certain chemical element - chromium; "Mo" is a certain chemical element - molybdenum; "V" Is the composition contains a certain chemical element - vanadium; "R" is the first letter of the container plate; Implementation standard: GB/T713.
12Cr1MoVR steel plate is mainly used in the manufacture of high pressure boilers and vessels. Due to the harsh operating conditions of petrochemical industry, coal conversion, nuclear power, steam turbine block, thermal power, etc., large-scale equipment with messy corrosive media, such as: water washing tower, second converter, coke tower, desulfurization tank, reformed gas waste heat boiler, methanation furnace, reactors, regenerators, hydrogenation reactors, methanation heaters, reforming gas steam generators and other equipment and components manufacturing projects, many use 12Cr1MoVR or 12Cr1MoVR hydrogen, 12Cr1MoVR (H) steel.
Manufacturing method of 12Cr1MoVR steel plate:
The 12Cr1MoVR steel plate is smelted by oxygen top-blowing converter method, open hearth method or electric furnace. After negotiation with the buyer, other equivalent methods can also be used.
Implementation standard of 12Cr1MoVR steel plate:
12Cr1MoVR steel plate is classified as high-pressure boiler vessel steel plate and implements the GB713-2014 standard.
12Cr1MoVR steel plate chemical composition:
| Grade | C | Si | Mn | Cu | Ni | Cr | Mo | Nb | V | Ti | Alt | P | S |
| 12Cr1MoVR | 0.08-0.15 | 0.15-0.40 | 0.40-0.70 | ≤0.30 | ≤0.30 | 0.90-1.20 | 0.25-0.35 | - | 0.15-0.30 | - | - | ≤0.025 | ≤0.010 |
12Cr1MoVR steel plate mechanical properties:
| Steel Grade | Thickness, in mm | Tensile Strength | Yield Strength, min | Elongation, %, min |
| 12Cr1MoVR | 6<T≤60 | 440-590 | 245 | 19 |
| 60<T≤100 | 430-580 | 235 |
Delivery of 12Cr1MoVR steel plate:
12Cr1MoVR steel plate is usually delivered in normalized + tempered condition. According to the special agreement when ordering, 12Cr1MoVR steel plate can also be delivered in annealed or tempered condition. Significantly improve the plasticity and impact toughness of steel and improve the anisotropy of steel.
Standard, shape, weight and tolerance of 12Cr1MoVR steel plate:
The standard, shape, weight and allowable error of 12Cr1MoVR steel plate shall comply with the rules of GB/T 709, and the allowable error of thickness shall be in accordance with the B-type error of GB/T709.
12Cr1MoVR steel plate packaging, marking and quality certificate:
The packaging, marking and quality certificate of 12Cr1MoVR steel plate shall comply with the rules of GB/T 247.
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