4.1 Carbon Steels for Pressure Vessel Plates 4.1A Mechanical Properties of Carbon Steels for Pressure Vessel Plates Continued Section Thickness Yield Strength, min Tensile Strength, min
Trang 14.1 Carbon Steels for Pressure Vessel Plates
4.1A Mechanical Properties of Carbon Steels for Pressure Vessel Plates (Continued)
Section Thickness Yield Strength, min Tensile Strength, min Standard
Designation Grade, Class, Type, Symbol or Name Number Steel Number UNS Treatment Heat t, mm t, in N/mm 2 or
Trang 24.1 Carbon Steels for Pressure Vessel Plates
4.1A Mechanical Properties of Carbon Steels for Pressure Vessel Plates (Continued)
Section Thickness Yield Strength, min Tensile Strength, min Standard
Designation Grade, Class, Type, Symbol or Name Number Steel Number UNS Treatment Heat t, mm t, in N/mm 2 or
Trang 34.1 Carbon Steels for Pressure Vessel Plates
4.1B Chemical Composition of Carbon Steel Pressure Plates
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol,
PH 235 - - - - 0.17 0.40-1.20 0.35 0.035 0.030 0.30 0.30 0.08
Cu 0.30; Al ≥ 0.020; Cr+Cu+Mo+Ni 0.70
EN 10028-3:2003 P275NH 1.0487 - - - 0.16 0.80-1.50 0.40 0.025 0.015 0.30 0.30 0.08
Cu 0.30; Nb 0.05; Ti 0.03;
V 0.05; N 0.012; Al ≥ 0.020; Nb+Ti+V 0.05; Cr+Cu+Mo0.45
50 < t ≤ 200 - 0.30 0.90 0.15-0.30 0.035 0.040 - - - -
≤ 12.5 - 0.21 0.85-1.20 0.15-0.40 0.030 0.030 - - - - 12.5 < t ≤ 50 - 0.23 0.85-1.20 0.15-0.40 0.030 0.030 - - - -
50 < t ≤ 100 - 0.25 0.85-1.20 0.15-0.40 0.030 0.030 - - - - JIS G 3118:2000 SGV410 - -
100 < t ≤ 200 - 0.27 0.85-1.20 0.15-0.40 0.030 0.030 - - - -
EN 10028-2:2003 P265GH 1.0425 - - - 0.20 0.80-1.40 0.40 0.025 0.015 0.30 0.30 0.08
Cu 0.30; Nb 0.020; Ti 0.03;
V 0.02; Al ≥ 0.020; N 0.012; Cr+Cu+Mo+Ni 0.70 ISO 9328-2:1991 P 265
PH 265 - - - - 0.20 0.50-1.40 0.35 0.035 0.030 0.30 0.30 0.08
Cu 0.30; Al ≥ 0.020; Cr+Cu+Mo+Ni 0.70
≤ 25 ≤ 1 0.24 0.90 0.15-0.40 0.035 0.035 - - - -
25 < t ≤ 50 1 < t ≤ 2 0.27 0.90 0.15-0.40 0.035 0.035 - - - -
50 < t ≤ 100 2 < t ≤ 4 0.29 0.90 0.15-0.40 0.035 0.035 - - - -
100 < t ≤ 200 4 < t ≤ 8 0.31 0.90 0.15-0.40 0.035 0.035 - - - - ASTM A 515/A 515M-03 60 [415] - K02401
> 200 > 8 0.31 0.90 0.15-0.40 0.035 0.035 - - - -
≤ 12.5 ≤ ½ 0.21 0.60-0.90 0.15-0.40 0.035 0.035 - - - - 12.5 < t ≤ 50 ½ < t ≤ 2 0.23 0.85-1.20 0.15-0.40 0.035 0.035 - - - -
50 < t ≤ 100 2 < t ≤ 4 0.25 0.85-1.20 0.15-0.40 0.035 0.035 - - - -
100 < t ≤ 200 4 < t ≤ 8 0.27 0.85-1.20 0.15-0.40 0.035 0.035 - - - - ASTM A 516/A 516M-03 60 [415] - K02100
> 200 > 8 0.27 0.85-1.20 0.15-0.40 0.035 0.035 - - - -
P 315 TN
PH 315 TN - - - - 0.18 0.70-1.50 0.10-0.40 0.035 0.035 ISO 9328-4:1991
PL 315 TN - - - - 0.16 0.70-1.50 0.10-0.40 0.030 0.030
0.30 0.30 0.08
Cu 0.30; Nb 0.05; Ti 0.03;
V 0.05; N 0.020; Al ≥ 0.020; Nb+Ti+V 0.05; Cr+Cu+Mo 0.45
Trang 44.1 Carbon Steels for Pressure Vessel Plates
4.1B Chemical Composition of Carbon Steel Pressure Plates (Continued)
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol,
> 200 > 8 0.33 0.90 0.15-0.40 0.035 0.035 - - - -
≤ 12.5 ≤ ½ 0.24 0.85-1.20 0.15-0.40 0.035 0.035 - - - - 12.5 < t ≤ 50 ½ < t ≤ 2 0.26 0.85-1.20 0.15-0.40 0.035 0.035 - - - -
50 < t ≤ 100 2 < t ≤ 4 0.28 0.85-1.20 0.15-0.40 0.035 0.035 - - - -
100 < t ≤ 200 4 < t ≤ 8 0.29 0.85-1.20 0.15-0.40 0.035 0.035 - - - - ASTM A 516/A 516M-03 65 [450] - K02403
> 200 > 8 0.29 0.85-1.20 0.15-0.40 0.035 0.035 - - - -
25 < t ≤ 50 - 0.31 0.90 0.15-0.30 0.035 0.040 - - - - JIS G 3103:1987 SB 450 - -
50 < t ≤ 100 - 0.33 0.90 0.15-0.40 0.035 0.040 - - - -
≤ 12.5 - 0.24 0.85-1.20 0.15-0.40 0.030 0.030 - - - - 12.5 < t ≤ 50 - 0.26 0.85-1.20 0.15-0.40 0.030 0.030 - - - -
50 < t ≤ 100 - 0.28 0.85-1.20 0.15-0.40 0.030 0.030 - - - - JIS G 3118:2000 SGV450 - -
100 < t ≤ 200 - 0.29 0.85-1.20 0.15-0.40 0.030 0.030 - - - -
EN 10028-2:2003 P295GH 1.0481 - - - 0.08-0.20 0.90-1.50 0.40 0.025 0.015 0.30 0.30 0.08
Cu 0.30; Nb 0.020; Ti 0.03;
V 0.02; Al ≥ 0.020; N 0.012; Cr+Cu+Mo+Ni 0.70
ISO 9328-2:1991
PH 290 - - - - 0.14-0.20 0.90-1.50 0.40 0.035 0.030 0.30 0.30 0.08
Cu 0.30; Al ≥ 0.020; Cr+Cu+Mo+Ni 0.70
25 < t ≤ 50 - 0.33 0.90 0.15-0.30 0.035 0.040 - - - - JIS G 3103:1987 SB 480 - -
50 < t ≤ 200 - 0.35 0.90 0.15-0.30 0.035 0.040 - - - -
Trang 54.1 Carbon Steels for Pressure Vessel Plates
4.1B Chemical Composition of Carbon Steel Pressure Plates (Continued)
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol,
> 200 > 8 0.35 1.20 0.15-0.40 0.035 0.035 - - - -
≤ 12.5 ≤ ½ 0.27 0.85-1.20 0.15-0.40 0.035 0.035 - - - - 12.5 < t ≤ 50 ½ < t ≤ 2 0.28 0.85-1.20 0.15-0.40 0.035 0.035 - - - -
50 < t ≤ 100 2 < t ≤ 4 0.30 0.85-1.20 0.15-0.40 0.035 0.035 - - - -
100 < t ≤ 200 4 < t ≤ 8 0.31 0.85-1.20 0.15-0.40 0.035 0.035 - - - - ASTM A 516/A 516M-03 70 [485] - K02700
> 200 > 8 0.31 0.85-1.20 0.15-0.40 0.035 0.035 - - - -
≤ 40 ≤ 1½ 0.70-1.35ASTM A 537/A 537M-95 (2000) 1 - K12437
> 40 > 1½ 0.24 1.00-1.60 0.15-0.50 0.035 0.035 0.25 0.25 0.08 Cu 0.35 ASTM A 737/A 737M-99 B - K12001 - - 0.20 1.15-1.50 0.15-0.50 0.035 0.030 - - - Cb 0.05
P 315 - - - - 0.20 ISO 9328-2:1991
PH 315 - - - - 0.15-0.20 0.90-1.60 0.10-0.50 0.035 0.030 0.30 0.30 0.08
Cu 0.30; Al ≥ 0.020; Cr+Cu+Mo+Ni 0.70
Trang 64.1 Carbon Steels for Pressure Vessel Plates
4.1B Chemical Composition of Carbon Steel Pressure Plates (Continued)
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol,
P 355 - - - - 0.22 0.90-1.60 0.10-0.50 0.035 0.030 0.30 0.30 0.08 Al 0.020; Cu 0.30 ISO 9328-2:1991
PH 355 - - - - 0.15-0.22 0.90-1.60 0.10-0.50 0.035 0.030 0.30 0.30 0.08 Al 0.020; Cu 0.30
≤ 65 ≤ 2½ 0.24 1.50 0.15-0.50 0.035 0.035 0.25 0.50 0.08 Cu 0.35; V 0.07; Cb 0.04;
Cb+V 0.08 ASTM A 738/A 738M-03a A - K12447
> 65 > 2½ 0.24 1.60 0.15-0.50 0.035 0.035 0.25 0.50 0.08 Cu 0.35; V 0.07; Cb 0.04;
Cb+V 0.08 JIS G 3115:2000 SPV 355 - - - - 0.20 1.60 0.15-0.55 0.030 0.030 - - - -
≤ 40 ≤ 1½ 0.70-1.35
2 - K12437
> 40 > 1½ 0.24 1.00-1.60 0.15-0.50 0.035 0.035 0.25 0.25 0.08 Cu 0.35
≤ 40 ≤ 1½ 0.70-1.35ASTM A 537/A 537M-95 (2000)
3 - K12437
> 40 > 1½ 0.24 1.00-1.60 0.15-0.50 0.035 0.035 0.25 0.25 0.08 Cu 0.35 ASTM A 737/A 737M-99 C - K12202 - - 0.22 1.15-1.50 0.10-0.55 0.035 0.030 - - - V 0.04-0.11; N 0.03
> 65 > 2½ 0.20 0.90-1.60 0.15-0.55 0.030 0.030 0.30 0.60 0.30
Cu 0.35; V 0.07; Cb 0.04; Cb+V 0.08
Trang 74.2 Carbon Steels for Pressure Vessel Plates - With Impact Testing Below -20°C
4.2A Mechanical Properties of Carbon Steels for Pressure Vessel Plates - With Impact Testing Below -20°C
Section Thickness Yield Strength, min Tensile Strength, min Standard
Designation Grade, Class, Type, Symbol or Name Number Steel Number UNS Treatment Heat t, mm t, in N/mm 2 or
Trang 84.2 Carbon Steels for Pressure Vessel Plates - With Impact Testing Below -20°C
4.2A Mechanical Properties of Carbon Steels for Pressure Vessel Plates - With Impact Testing Below -20°C (Continued)
Section Thickness Yield Strength, min Tensile Strength, min Standard
Designation Grade, Class, Type, Symbol or Name Number Steel Number UNS Treatment Heat t, mm t, in N/mm 2 or
1.0562 1.0565 1.0566 1.1106
P 355 TN
PH 355 TN
PL 355 TN PLH 355 TN
> 65 > 2½ 380 55 515-655 75-95 22 20 J at -40°C
Trang 94.2 Carbon Steels for Pressure Vessel Plates - With Impact Testing Below -20°C
4.2B Chemical Composition of Carbon Steels for Pressure Vessel Plates - With Impact Testing Below -20°C
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol,
SLA 235 A,B - - 6 ≤ t ≤ 50 - 0.15 0.70-1.50 0.15-0.30 0.030 0.025 - - - - JIS G 3126:2000
SLA 325 A,B - - 6 ≤ t ≤ 32 - 0.16 0.80-1.60 0.15-0.55 0.030 0.025 - - - -
Trang 104.2 Carbon Steels for Pressure Vessel Plates - With Impact Testing Below -20°C
4.2B Chemical Composition of Carbon Steels for Pressure Vessel Plates - With Impact Testing Below -20°C
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol,
or Name
Steel
B - K02203 - - 0.19 0.85-1.50 0.15-0.40 0.035 0.035 - - - - ASTM A 662/A 662M-03
P 355 TN
ISO 9328-4:1991
PL 355 TN PLH 355 TN - - - - 0.18
C, Class 2 - -
> 40 > 1½ 0.10 1.00-1.60 0.15-0.50 0.030 0.015 0.25 0.25 0.08
Cu 0.35; V 0.06; Cb 0.06;
Ti 0.006-0.02
Trang 114.3 ½Mo Alloy Steels for Pressure Vessel Plates
4.3A Chemical Composition of ½Mo Alloy Steels for Pressure Vessel Plates
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol,
or Name
Steel
EN 10028-2:2003 16Mo3 1.5415 - - - 0.12-0.20 0.40-0.90 0.35 0.025 0.010 0.30 0.30 0.25-0.35 N 0.012; Cu 0.30; Al/N>2 ISO 9328-2:1991 16 Mo 3 - - - - 0.12-0.20 0.40-0.90 0.35 0.035 0.030 0.30 - 0.25-0.35 Cu 0.30
EN 10028-2:2003 18MnMo4-5 1.5414 - - - 0.20 0.90-1.50 0.40 0.015 0.005 0.30 0.30 0.45-0.60 N 0.012; Cu 0.30
≤ 25 ≤ 1 0.18
25 < t ≤ 50 1 < t ≤ 2 0.21
50 < t ≤ 100 2 < t ≤ 4 0.23 ASTM A 204/A 204M-03 A - K11820
> 100 > 4 0.28
0.90 0.15-0.40 0.035 0.035 - - 0.45-0.60 -
≤ 25 ≤ 1 0.20
25 < t ≤ 50 1 < t ≤ 2 0.23 ASTM A 302/A 302M-03 A - K12021
> 50 > 2 0.25
0.95-1.30 0.15-0.40 0.035 0.035 - - 0.45-0.60 -
25 < t ≤ 50 - 0.23 JIS G 3119:1987 SBV 1 A - -
50 < t ≤ 150 - 0.25
0.95-1.30 0.15-0.30 0.035 0.040 - - 0.45-0.60 -
JIS G 3124:1987 SEV 295 - - 6 ≤ t ≤ 150 - 0.19 0.80-1.60 0.15-0.60 0.035 0.035 - - 0.10-0.40 Cu 0.35; Nb 0.05; V 0.10
Trang 124.3 ½Mo Alloy Steels for Pressure Vessel Plates
4.3A Chemical Composition of ½Mo Alloy Steels for Pressure Vessel Plates (Continued)
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol,
50 < t ≤ 150 - 0.25
1.15-1.50 0.15-0.30 0.035 0.040 - - 0.45-0.60 -
≤ 25 ≤ 1 0.20
25 < t ≤ 50 1 < t ≤ 2 0.23 ASTM A 302/A 302M-03 B - K12022
Type A, Class 2 ASTM
A 533/A 533M-93 (1999) Type A,
Class 3
- K12521 - - 0.25 1.15-1.50 0.15-0.40 0.035 0.035 - - 0.45-0.60 -
Trang 134.3 ½Mo Alloy Steels for Pressure Vessel Plates
4.3B Mechanical Properties of ½Mo Alloy Steels for Pressure Vessel Plates
Section Thickness Yield Strength, min Tensile Strength, min Standard
Designation Grade, Class, Type, Symbol or Name Number Steel Number UNS Treatment Heat t, mm t, in N/mm 2 or
or P
125 < t ≤ 150 - 380 - 520-670 -
19 31 J at 0°C
Trang 144.3 ½Mo Alloy Steels for Pressure Vessel Plates
4.3B Mechanical Properties of ½Mo Alloy Steels for Pressure Vessel Plates
Section Thickness Yield Strength, min Tensile Strength, min Standard
Designation Grade, Class, Type, Symbol or Name Number Steel Number UNS Treatment Heat t, mm t, in N/mm 2 or
50 < t ≤ 100 - 430 - 590-740 -
100 < t ≤ 125 - 420 - 580-730 - JIS G 3124:1987 SEV 345 - - R, N, NT
Type A, Class 3 - K12521 QT 6.5 < t ≤ 65 0.25 < t ≤ 2½ 570 83 690-860 100-125 16 -
Trang 154.4 Cr-Mo Alloy Steels for Pressure Vessel Plates
4.4.1A Chemical Composition of ¾Cr-½Mo Alloy Steels for Pressure Vessel Plates
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol,
or Name
Steel
ASTM A 387/A 387M-03 Grade 2
Class 1 - K12143 - - 0.05-0.21 0.55-0.80 0.15-0.40 0.035 0.035 0.50-0.80 - 0.45-0.60 - SCMV 1 Div 1 - - - - 0.21 0.55-0.80 0.40 0.030 0.030 0.50-0.80 - 0.45-0.60 - JIS G 4109:1987
SCMV 1 Div 2 - - - - 0.21 0.55-0.80 0.40 0.030 0.030 0.50-0.80 - 0.45-0.60 - ASTM A 387/A 387M-03 Grade 2
Class 2 - K12143 - - 0.05-0.21 0.55-0.80 0.15-0.40 0.035 0.035 0.50-0.80 - 0.45-0.60 -
4.4.1B Mechanical Properties of ¾Cr-½Mo Alloy Steels for Pressure Vessel Plates
Section Thickness Yield Strength, min Tensile Strength, min Standard
Designation
Grade, Class, Type, Symbol or Name
Steel Number
UNS Number
Heat Treatment t, mm t, in N/mm 2 or
Trang 164.4 Cr-Mo Alloy Steels for Pressure Vessel Plates
4.4.2A Chemical Composition of 1Cr-½Mo Alloy Steels for Pressure Vessel Plates
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol,
or Name
Steel
ASTM A 387/A 387M-03 Grade 12
Class 1 - K11757 - - 0.05-0.17 0.40-0.65 0.15-0.40 0.035 0.035 0.80-1.15 - 0.45-0.60 - JIS G 4109:1987 SCMV 2 Div 1 - - - - 0.17 0.40-0.65 0.40 0.030 0.030 0.80-1.15 - 0.45-0.60 -
ASTM A 387/A 387M-03 Grade 12,
Class 2 - K11757 - - 0.05-0.17 0.40-0.65 0.15-0.40 0.035 0.035 0.80-1.15 - 0.45-0.60 - JIS G 4109:1987 SCMV 2 Div 2 - - - - 0.17 0.40-0.65 0.40 0.030 0.030 0.80-1.15 - 0.45-0.60 -
EN 10028-2:2003 13CrMo4-5 1.7335 - - - 0.08-0.18 0.40-1.00 0.35 0.025 0.010 0.70-1.15 - 0.40-0.60 Cu 0.30; N 0.012
ISO 9328-2:1991 14 CrMo 4 5 - - - - 0.08-0.18 0.40-1.00 0.35 0.035 0.030 0.70-1.15 - 0.40-0.60 Cu 0.30
4.4.2B Mechanical Properties of 1Cr-½Mo Alloy Steels for Pressure Vessel Plates
Section Thickness Yield Strength, min Tensile Strength, min Standard
Designation
Grade, Class, Type, Symbol or Name
Steel Number
UNS Number
Heat Treatment t, mm t, in N/mm 2 or
Trang 174.4 Cr-Mo Alloy Steels for Pressure Vessel Plates
4.4.3A Chemical Composition of 1¼Cr-½Mo Alloy Steels for Pressure Vessel Plates
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol,
4.4.3B Mechanical Properties of 1¼Cr-½Mo Alloy Steels for Pressure Vessel Plates
Section Thickness Yield Strength, min Tensile Strength, min Standard
Designation
Grade, Class, Type, Symbol or Name
Steel Number
UNS Number
Heat Treatment t, mm t, in N/mm 2 or
Trang 184.4 Cr-Mo Alloy Steels for Pressure Vessel Plates
4.4.4A Chemical Composition of 2¼Cr-1Mo Alloy Steels for Pressure Vessel Plates
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol,
0.10 0.30-0.60 0.50 0.035 0.035 2.00-2.50 - 0.90-1.10 -
EN 10028-2:2003 10CrMo9-10 1.7380 - - - 0.08-0.14 0.40-0.80 0.50 0.020 0.010 2.00-2.50 - 0.90-1.10 Cu 0.30; N 0.012 ISO 9328-2:1991 13 CrMo 9 10 T1 - - - - 0.08-0.15 0.40-0.70 0.50 0.035 0.030 2.00-2.50 - 0.90-1.10 Cu 0.30
ASTM A 387/A 387M-03 Grade 22,
Class 2 - K21590 - - 0.05-0.15 0.30-0.60 0.50 0.035 0.035 2.00-2.50 - 0.90-1.10 - JIS G 4109:1987 SCMV 4 Div 2 - - - - 0.17 0.30-0.60 0.50 0.030 0.030 2.00-2.50 - 0.90-1.10 -
ISO 9328-2:1991 13 CrMo 9 10 T2 - - - - 0.08-0.15 0.40-0.70 0.50 0.035 0.030 2.00-2.50 - 0.90-1.10 Cu 0.30
JIS G 4110:1993 SCMQ4E - - - - 0.17 0.30-0.60 0.50 0.015 0.015 2.00-2.50 - 0.90-1.10 V 0.03
Trang 194.4 Cr-Mo Alloy Steels for Pressure Vessel Plates
4.4.4B Mechanical Properties of 2¼Cr-1Mo Alloy Steels for Pressure Vessel Plates
Section Thickness Yield Strength, min Tensile Strength, min Standard
Designation Grade, Class, Type, Symbol or Name Number Steel Number UNS Treatment Heat t, mm t, in N/mm 2 or
60 < t ≤ 100 -
310 - 520-670 -
17 27 J at 20°C
Trang 204.4 Cr-Mo Alloy Steels for Pressure Vessel Plates
4.4.5A Chemical Composition of 3Cr-1Mo Alloy Steels for Pressure Vessel Plates
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol,
0.05-0.05
0.30-0.60 0.50 0.035 0.035 2.75-3.25 - 0.90-1.10 -
JIS G 4109:1987 SCMV 5 Div 2 - - - - 0.17 0.30-0.60 0.50 0.030 0.030 2.75-3.25 - 0.90-1.10 -
4.4.5B Mechanical Properties of 3Cr-1Mo Alloy Steels for Pressure Vessel Plates
Section Thickness Yield Strength, min Tensile Strength, min Standard
Designation Grade, Class, Type, Symbol or Name Number Steel Number UNS Treatment Heat t, mm t, in N/mm 2 or