ASTM / ASTM A / SA 516 – Grades & Equivalents
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The comparison of boiler plate grades such as ASME SA516 is not an exact science and care must be taken
when using a comparable or equivalent grade to ensure that it delivers all the requirements in the engineering specification.
We’ve tried to present the most common comparison grades below in a couple of different formats. The focus is mainly on American (ASTM and ASME) and Euronorms (EN10028) grades.
Grades and equivalents table:
| ASME | ASTM | DIN17155 | EN10028 | BS1501 | |
| Name | Number | ||||
| SA 516 60 | A 516 60 | HII | P265GH | 1.0425 | 161 430A |
| SA 516 65 | A 516 65 | 17Mn4 | P295GH | 1.0481 | |
| SA 516 70 | A 516 70 | P355GH | 224-490 A & B | ||
ASME and ASTM grades are directly comparable and are often written A/SA 516 or SA/A 516 which is the same as A516 or SA516. ASTM (which is derived from the American Society for Testing and Materials) and ASME (American Society of Mechanical Engineers) work closely together and many of their standards are harmonised.
For EN 10028 P indicates that it is a pressure grade steel. The number is the yield strength when the plate is less than 16mm thick.
N indicates room temperature quality,
NH steels are for elevated temperature,
NL1 steels are of low temperature quality and NL2 steel – special low temperature quality.
GH steels are for elevated temperature working.
ASTM Grades
| ASTM A516 gr 60 boiler plate is equivalent to: | |
 BS1501 161 430A |
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| EN 10028 P265GH |
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| DIN 17155 HII |
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| ASTM A516 gr 65 steel plate is equivalent to: | |
| 17Mn4 |
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| EN 10028 P295GH |
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| BS 1501 224 460 A |
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| BS1501-224-460B |
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| ASTM A516 gr 70 pressure vessel steel is equivalent to: | |
| P355GH |
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| BS1501 224-490 A |
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| BS1501-224-490B |
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ASME Grades
| ASME SA516 gr 60 is equivalent to: | |
| BS1501 161 430A |
|
| EN 10028 P265GH |
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| DIN 17155 HII |
|
| ASME SA516 gr 65 is equivalent to: | |
| 17Mn4 |
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| EN 10028 P295GH |
|
| BS 1501 224 460 A |
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| BS1501-224-460B |
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| ASME SA516 gr 70 is equivalent to: | |
| EN 10028 P355GH |
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| BS1501 224-490 A |
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| BS1501-224-490B |
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EN 10028
| P235GH is equivalent to: | |
| ASTM A285 grade C |
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| ASME SA285 gr. C |
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| Din 17155 HI |
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| BS 1501 161-360A |
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| P265GH steel is equivalent to: | |
| ASTM A516 grade 60 |
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| ASME A516 gr 60 |
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| DIN 17155 HII |
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| BS1501 161-430A |
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| P275N steel plate is directly equivalent to: | |
| BS 1501 224-400A |
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| P275NH steel plate is directly equivalent to: | |
| BS 1501 224-400B |
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| P295GH is equivalent to: | |
| A516 65 |
|
| SA516 65 |
|
| 17Mn4 |
|
| BS1501 224-460 A&B |
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| P355GH is equivalent to: | |
| A516 70 |
|
| SA516 70 |
|
| BS1501 224 490A/B |
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| P355N/NH is equivalent to: | |
| BS 1501 225-490 A and B |
|
| 19Mn6 |
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DIN 17155
| HI is equivalent to: | |
| P235GH |
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| A516 55 |
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| SA516 55 |
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| HII is equivalent to: | |
| P265GH |
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| A516 60 |
|
| SA516 60 |
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| 17Mn4 is equivalent to: | |
| P295GH |
|
| SA516 65 |
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| A516 65 |
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BS 1501
| 161 360 A is equivalent to: | |
| P235Gh |
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| A285 Grade C |
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| HI |
|
| 161 430 A is equivalent to: | |
| P265GH |
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| A516 60 |
|
| SA516 60 |
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| HII |
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| 224 400 A is equivalent to: | |
| P275 N |
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| 224 400B is equivalent to: | |
| P275NH |
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| 224 460 A is equivalent to: | |
| 17Mn4 SA516 65 |
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| A516 65 |
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| P295GH |
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| 224 460 B is equivalent to: | |
| P295GH |
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| A516 65 |
|
| SA516 65 |
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| 17Mn4 |
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| 224 490 A is equivalent to: | |
| P2355GH |
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| A 516 70 |
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| SA 516 70 |
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| 224 490 B is equivalent to: | |
| P2355GH |
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| A 516 70 |
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| SA 516 70 |
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| 225 490 A is equivalent to: | |
| P355N |
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| 19Mn6 |
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| 225 490 B is equivalent to: | |
| P355NH |
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| 19Mn6 |
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