Astm 10029

Topics: Stainless steel, Steel, Austenite Pages: 6 (1610 words) Published: August 26, 2013
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9. Importance of Surface Finish in the Design of Stainless Steel 10. More Than Just Scratching the Surface - A Practical Approach to Surface Finish 11. The Then and Now of Electropolishing

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Tolerances to EN 10029 for hot rolled plate 3mm and above
General
This standard covers a wider group of steels than just stainless: Non-alloy and alloy steels including stainless steels with:
1. Nominal thickness > 3mm < 250mm
2. Nominal width > 600mm
3. Specified minimum yield strength < 700 N/mm2
Tolerances on plate less than 600 mm wide shall be agreed at time of enquiry/order Thickness tolerance
At the enquiry/order stage it is necessary to define which of 4 classes A-D is required. Nominal thickness| Tolerances on nominal thickness 1)|
| Class A| Class B| Class C| Class D|
| Lower| Upper| Lower| Upper| Lower| Upper| Lower| Upper| > 3 < 5|  -0.4| +0.8| -0.3| +0.9| -0| +1.2| -0.6| +0.6| > 5 < 8|  -0.4| +1.1| -0.3| +1.2| -0| +1.5| -0.75| +0.75| > 8 < 15|  -0.5| +1.2| -0.3| +1.4| -0| +1.7| -0.85| +0.85| > 15 < 25|  -0.6| +1.3| -0.3| +1.6| -0| +1.9| -0.95| +0.95| > 25 < 40|  -0.8| +1.4| -0.3| +1.9| -0| +2.2| -1.1| +1.1| > 40 < 80|  -1.0| +1.8| -0.3| +2.5| -0| +2.8| -1.4| +1.4| > 80 < 150|  -1.0| +2.2| -0.3| +2.9| -0| +3.2| -1.6| +1.6| > 150 < 250|  -1.2| +2.4| -0.3| +3.3| -0| +3.6| -1.8| +1.8| 1. These thickness tolerances apply outside ground areas Nominal thickness| Maximum thickness difference within a plate| | Nominal width| | |

| > 600 < 2000    | > 2000 < 2500| > 2500 < 3000| > 3000 < 3500| > 3500 < 4000| > 4000| | | > 3 < 5|  0.8| 0.9| 0.9|  ---|  ---|  ---| | | > 5 < 8|  0.9| 0.9| 1.0| 1.0|  ---|  ---| | | > 8 < 15|  0.9| 1.0| 1.0| 1.1| 1.1| 1.2| | | > 15 < 25|  1.0| 1.1| 1.2| 1.2| 1.3| 1.4| | | > 25 < 40|  1.1| 1.2| 1.2| 1.3| 1.3| 1.4| | | > 40 < 80|  1.2| 1.3| 1.4| 1.4| 1.5| 1.6| | | > 80 < 150|  1.3| 1.4| 1.5| 1.5| 1.6| 1.7| | | > 150 < 250|  1.4| 1.5| 1.6| 1.6...
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