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BS1501-223-490A/B is steel grade ideally suited for use in the fabrication of weldable pressure vessels & boilers. The standard which is provided by the British Standards Institute has now been replaced with the European standard EN10028
Although BS-223-490A/B is no longer a currently active spec for pressure vessel steel it is still widely referred to in the industry and for this reason we have included details on our website for cross referencing purposes.
There are two types of BS1501-223-490 available which are ...
* Maximum carbon content should be 0.22% when samples are subjected to simulated post weld heat treatment
* Yield strength values for plates over 63mm shall be same values specified for plate thicknesses between 40mm and 63mm reduced by 1% for each 5mm increase over 63mm
(Please note: the technical information above is for guidance only – for exact specifications please check with our Sales Team)
To find out more about our pressure vessel and boiler quality steels and to receive a competitive quotation for the supply of the material, please CLICK HERE to contact us.
There are no comparisons available for this particular steel grade.
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Masteel UK Limited,
The Cedars, Coton Road,
Nether Whitacre, Coleshill,
Birmingham, West Midlands
B46 2HH
t: +44 (0)1675 437733
f: +44 (0)1675 437734
e–mail: enquiries@masteel.co.uk
website: www.masteel.co.uk
blogsite: www.masteel.ning.com
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Pressure Vessel Steel Home Page BS 1501 161-360A/B | 161-430A/B | 223-490A/B | 224-460A/B | 224-490A/B | 225-490A/B |
BS1501-223-490A/B is steel grade ideally suited for use in the fabrication of weldable pressure vessels & boilers. The standard which is provided by the British Standards Institute has now been replaced with the European standard EN10028
Although BS-223-490A/B is no longer a currently active spec for pressure vessel steel it is still widely referred to in the industry and for this reason we have included details on our website for cross referencing purposes.
There are two types of BS1501-223-490 available which are ...
- Type A :
Denotes specified min. room temperature tensile properties - Type B :
As per Type A but with elevated temperature properties
Table 1: Chemical Composition of BS1501-223-490A/B
| Element | BS1501-223-490A/B | Element | BS1501-223-490A/B | ||
| Carbon (C) | max. | 0.20%* | Niobium (Ni) | min. | 0.010% |
| Silicon (Si) | min. | 0.10% | max. | 0.060% | |
| max. | 0.50% | Copper (Cu) | max. | 0.30% | |
| Manganese (Mn) | min. | 0.90% | Molybdenum | max. | 0.10% |
| max. | 1.60% | Nickel | max. | 0.75% | |
| Phosphorus (P) | max. | 0.030% | |||
| Sulphur (S) | max. | 0.030% | |||
| Chromium (Cr) | max. | 0.25% | |||
* Maximum carbon content should be 0.22% when samples are subjected to simulated post weld heat treatment
Table 2: Mechanical Properties of BS1501-223-490A/B
| Nominal Plate Thickness: | Tensile Strength: | Yield Strength: | Elongation: | |||
| Over (mm) | Up to and inc. (mm) | min. N/mm² | max. N/mm² | min. N/mm² | min. (%) | |
| BS1501-223-490A/B | 3 | 16 | 490 | 610 | 355 | 21 |
| 16 | 40 | 345 | 21 | |||
| 40 | 63 | 340 | 20 | |||
| 63 | 100 | * | 20 | |||
| 100 | 150 | * | 20 | |||
* Yield strength values for plates over 63mm shall be same values specified for plate thicknesses between 40mm and 63mm reduced by 1% for each 5mm increase over 63mm
To find out more about our pressure vessel and boiler quality steels and to receive a competitive quotation for the supply of the material, please CLICK HERE to contact us.
Equivalent grades :
There are no comparisons available for this particular steel grade.
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Masteel UK Limited,
The Cedars, Coton Road,
Nether Whitacre, Coleshill,
Birmingham, West Midlands
B46 2HH
t: +44 (0)1675 437733
f: +44 (0)1675 437734
e–mail: enquiries@masteel.co.uk
website: www.masteel.co.uk
blogsite: www.masteel.ning.com