PRESSURE VESSEL STEEL ASTM A516 GRADE 60/65/70 ASTM A516 GRADE 60 Description ASTM A516 Grade 60 is a boiler pressure vesel quality steel that has good weld-ability and excellent notch toughness and is perfect for moderate and lower temperature services. Application This material is used extensively by the boiler and pressure vessel fabricators who provide manufacturing support to the petrochemical, oil and gas industries. Chemical composition Table 1. Chemical Composition Specification (percent %) Specification
ASTM A516 Grade 60
Maximum C for Thickness t (mm)
Mn for thickness t (mm)
6≤t ≤ 12,5
12,5 < t ≤ 25
25 < t ≤ 50
50 < t ≤ 63
t≤ 12,5
t> 12,5
0,21
0.23
0.23
0.25
0,600,90
0,851,20
Si
P max
S max
0,150,04
0,035
0,035
Table 2. Typical chemical composition of ASTM A516 Grade 60 Grade
C
Mn
Si
Al
P
S
60
0,13
1,05
0,28
0,04
0,015
0,008
Mechanical Properties Table 3. Requirement as specified in ASTM A516 Grade
60
Tensile Strength (MPa)
415-550
ASTM A516 GRADE 65
Minimum yield strength (MPa)
220
Minimum elongation (%) In a gauge length of : 50mm
200mm
25
21
Description ASTM A5 16 Grade 65 is steel that offers excellent performance in lower ambient temperature service, has good weld-ability and excellent notch toughness. This is an excellent choice for pressure vessels and boiler fabrication. This steel offers a greater yield and tensile strength when compared to the ASTM A516 Grade 60. Application Used throughout the oil, petrochemical and gas industry, the steel is also found in sour services and wet H₂S applications (where the steel is HIC tested). Chemical Composition Table 1. Chemical Composition Specification (percent %) Specification
ASTM A516 Grade 65
Maximum C for Thickness t (mm)
Mn for thickness t (mm)
6≤t ≤ 12,5
12,5 < t ≤ 25
25 < t ≤ 50
50 < t ≤ 63
t≤ 12,5
t> 12,5
0,24
0.26
0.26
0.28
0,851,20
0,851,20
Si
P max
S max
0,150,04
0,035
0,035
Table 2. Typical chemical composition of ASTM A516 Grade 65 Grade
C
Mn
Si
Al
P
S
65
0,18
1,05
0,32
0,04
0,015
0,008
Mechanical Properties Table 3. Requirement as specified in ASTM A516 Grade
65
Tensile Strength (MPa)
450-585
Minimum yield strength (MPa)
240
Minimum elongation (%) In a gauge length of : 50mm
200mm
23
19
ASTM A516 GRADE 70 Description ASTM A516 Grade 70 is an excellent choice for service in lower than ambient temperature application, has excellent notch toughness and is used in both pressure vessels and industrial boilers. It offers a greater Yield and Tensile strength when compared to ASTM A516 Grade 65 and can operate in lower temperatures. Application It’s ideally suited for high standard set by the oil, gas and petrochemical industry.
Chemical Composition Table 1. Chemical Composition Specification (percent %) Specification
ASTM A516 Grade 70
Maximum C for Thickness t (mm)
Mn for thickness t (mm)
6≤t ≤ 12,5
12,5 < t ≤ 25
25 < t ≤ 50
50 < t ≤ 63
t≤ 12,5
t> 12,5
0,27
0.28
0.28
0.30
0,851,20
0,851,20
Si
P max
S max
0,150,04
0,035
0,035
Table 2. Typical chemical composition of ASTM A516 Grade 70 Grade
C
Mn
Si
Al
P
S
70
0,20
1,05
0,32
0,04
0,015
0,008
Mechanical Properties Table 3. Requirement as specified in ASTM A516 Grade
70
Tensile Strength (MPa)
485-620
Minimum yield strength (MPa)
260
Minimum elongation (%) In a gauge length of : 50mm
200mm
21
17
ASTM A516 GRADE 60 Description ASTM A516 Grade 60 is a boiler pressure vesel quality steel that has good weldability and excellent notch toughness and is perfect for moderate and lower temperature services. Application This material is used extensively by the boiler and pressure vessel fabricators who provide manufacturing support to the petrochemical, oil and gas industries.
Chemical composition Table 1. Chemical Composition Specification (percent %) Specification
ASTM A516 Grade 60
Maximum C for Thickness t (mm)
Mn for thickness t (mm)
6≤t ≤ 12,5
12,5 12,5
0,21
0.23
0.23
0.25
0,600,90
0,851,20
Si
P max
S max
0,150,04
0,035
0,035
Table 2. Typical chemical composition of ASTM A516 Grade 60 Grade
C
Mn
Si
Al
P
S
60
0,13
1,05
0,28
0,04
0,015
0,008
Mechanical Properties Table 3. Requirement as specified in ASTM A516 Grade
60
Tensile Strength (MPa)
Minimum yield strength (MPa)
415-550
220
Minimum elongation (%) In a gauge length of : 50mm
200mm
25
21
ASTM A516 GRADE 65 Description ASTM A5 16 Grade 65 is steel that offers excellent performance in lower ambient temperature service, has good weld-ability and excellent notch toughness. This is an excellent choice for pressure vessels and boiler fabrication. This steel offers a greater yield and tensile strength when compared to the ASTM A516 Grade 60. Application Used throughout the oil, petrochemical and gas industry, the steel is also found in sour services and wet H₂S applications (where the steel is HIC tested).
Chemical Composition Table 1. Chemical Composition Specification (percent %) Specification
ASTM A516 Grade 65
Maximum C for Thickness t (mm)
Mn for thickness t (mm)
6≤t ≤ 12,5
12,5 12,5
0,24
0.26
0.26
0.28
0,851,20
0,851,20
Si
P max
S max
0,150,04
0,035
0,035
Table 2. Typical chemical composition of ASTM A516 Grade 65 Grade
C
Mn
Si
Al
P
S
65
0,18
1,05
0,32
0,04
0,015
0,008
Mechanical Properties Table 3. Requirement as specified in ASTM A516 Grade
65
Tensile Strength (MPa)
Minimum yield strength (MPa)
450-585
240
Minimum elongation (%) In a gauge length of : 50mm
200mm
23
19
ASTM A516 GRADE 70 Description ASTM A516 Grade 70 is an excellent choice for service in lower than ambient temperature application, has excellent notch toughness and is used in both pressure vessels and industrial boilers. It offers a greater Yield and Tensile strength when compared to ASTM A516 Grade 65 and can operate in lower temperatures. Application It’s ideally suited for high standard set by the oil, gas and petrochemical industry.
Chemical Composition Table 1. Chemical Composition Specification (percent %) Specification
ASTM A516 Grade 70
Maximum C for Thickness t (mm)
Mn for thickness t (mm)
6≤t ≤ 12,5
12,5 12,5
0,27
0.28
0.28
0.30
0,851,20
0,851,20
Si
P max
S max
0,150,04
0,035
0,035
Table 2. Typical chemical composition of ASTM A516 Grade 70 Grade
C
Mn
Si
Al
P
S
70
0,20
1,05
0,32
0,04
0,015
0,008
Mechanical Properties Table 3. Requirement as specified in ASTM A516 Grade
70
Tensile Strength (MPa)
Minimum yield strength (MPa)
485-620
260
Minimum elongation (%) In a gauge length of : 50mm
200mm
21
17
