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Chrome Moly Plate Home Page BS 1501 BS 1501 620B | BS 1501 621B | BS 1501 622B |
Although no longer a currently specified steel grade, 622B is still referred to by our customers and as a consequence we have included information here for cross referencing purposes.
622B is a chrome moly pressure vessel grade steel for use in elevated temperature service. The BS standard has now been superseded with the euro norm standard EN10028. The material benefits from greater tensile and yield strength and has good weldability characteristics. The steel is used commonly in the fabrication of industrial boilers and pressurised tanks found throughout the oil gas and petrochemical industry.
Please refer to the technical information for Grade 622B steel below...
Chemical Composition
| Grade | C | Si | Mn | P | S | Cr | Mo | Ni | Others |
| 622B | 0.09/0.15 | 0.50 | 0.30/0.60 | 0.025 | 0.015 | 2.00/2.50 | 0.90/1.10 | 0.30 | 0.32 |
Mechanical Properties
| Grade | Thickness | Tensile Strength | Yield Strength | Elongation (A) |
| 622B | ≤100 | 515/690 | 310 | 16 |
| >100 ≤150 | 500/670 | 285 | 16 |
For more information about our chrome molybdenum steel plates please click here to contact us.
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Masteel UK Limited,
The Cedars, Coton Road,
Nether Whitacre, Coleshill,
Birmingham, West Midlands
B46 2HH
t: +44 (0)1675 437733
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email: enquiries@masteel.co.uk
website: www.masteel.co.uk
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