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
EN 10028 P265GH
DIN 17155 HII
ASTM A516 gr 65 steel plate is equivalent to:
17Mn4
EN 10028 P295GH
BS 1501 224 460 A
BS1501-224-460B
ASTM A516 gr 70 pressure vessel steel is equivalent to:
P355GH
BS1501 224-490 A
BS1501-224-490B

ASME Grades

ASME SA516 gr 60 is equivalent to:
BS1501 161 430A
EN 10028 P265GH
DIN 17155 HII
ASME SA516 gr 65 is equivalent to:
17Mn4
EN 10028 P295GH
BS 1501 224 460 A
BS1501-224-460B
ASME SA516 gr 70 is equivalent to:
EN 10028 P355GH
BS1501 224-490 A
BS1501-224-490B

EN 10028

P235GH is equivalent to:
ASTM A285 grade C
ASME SA285 gr. C
Din 17155 HI
BS 1501 161-360A
P265GH steel is equivalent to:
ASTM A516 grade 60
ASME A516 gr 60
DIN 17155 HII
BS1501 161-430A
P275N steel plate is directly equivalent to:
BS 1501 224-400A
P275NH steel plate is directly equivalent to:
BS 1501 224-400B
P295GH is equivalent to:
A516 65
SA516 65
17Mn4
BS1501 224-460 A&B
P355GH is equivalent to:
A516 70
SA516 70
BS1501 224 490A/B
P355N/NH is equivalent to:
BS 1501 225-490 A and B
19Mn6

DIN 17155

HI is equivalent to:
P235GH
A516 55
SA516 55
HII is equivalent to:
P265GH
A516 60
SA516 60
17Mn4 is equivalent to:
P295GH
SA516 65
A516 65

BS 1501

161 360 A is equivalent to:
P235Gh
A285 Grade C
HI
161 430 A is equivalent to:
P265GH
A516 60
SA516 60
HII
224 400 A is equivalent to:
P275 N
224 400B is equivalent to:
P275NH
224 460 A is equivalent to:
17Mn4 SA516 65
A516 65
P295GH
224 460 B is equivalent to:
P295GH
A516 65
SA516 65
17Mn4
224 490 A is equivalent to:
P2355GH
A 516 70
SA 516 70
224 490 B is equivalent to:
P2355GH
A 516 70
SA 516 70
225 490 A is equivalent to:
P355N
19Mn6
225 490 B is equivalent to:
P355NH
19Mn6

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