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A515 grade 60 steel vs A516 grade 60 steel steel plate

Do you know the differences between A515 grade 60 steel and A516 grade 60 steel? Below are the main comparison between them.
A515 grade 60 steel is a carbon-silicon steel plates primarily for intermediate- and higher-temperature service in welded boilers and other pressure vessels.
A516 grade 60 steel is also a carbon steel plates. It is intended primarily for service in welded pressure vessels where improved notch toughness is important.

A515 grade 60 steel and A516 grade 60 steel chemical composition
A515 grade 60 steel composition(%)


Grade

C

Mn

P

S

Si

t≤25

25<t≤50

50<t≤100

100<t≤200

200<t

A515 grade 60

0.24

0.27

0.29

0.31

0.31

0.90 max

0.035 max

0.035 max

0.15~0.40

A516 grade 60 steel composition(%)


Grade

Maximum C for thickness t (mm)

Mn % for thickness t (mm)

Si

P  max

S  max

6-12.5mm

12.5-25mm

25-50mm

>50mm

≤12.5mm

>12.5mm

A516 grade 60

0.21

0.23

0.23

0.25

0.6-0.9

0.80-1.20

0.13-0.45

0.035

0.035

Tensile requirement
A515 grade 60 steel mechanical properties


Grade

Yield strength

Tensile strength

Elongation

ksi(N/mm²)

ksi(N/mm²)

A515 grade 60

32 (220) min

60~80 (415~550)

8 in. [200 mm], min, %

21 min

2 in. [50 mm], min, %

25 min

A516 grade 60 steel mechanical properties


Grade

Tensile strength

Minimum yield strength

Minimum elongation (%) gauge length

(MPa)

(MPa)

50mm

200mm

A516 grade 60

415 - 550

220

25

21

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