3.2.1A Mechanical Properties of High-Strength Low-Alloy Structural Steel Plates Section Thickness Yield Strength, min Tensile Strength, min Standard Designation Grade, Class, Type, S
Trang 13.1B Chemical Composition of Carbon Steels for Structural Steel Plates (Continued)
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol
or Name
Steel
ASTM A 1011/A 1011M-03 33 [230] - K02502 ≤ 6.0 ≤ 0.229 0.25 0.90 report
value 0.035 0.04 0.15 0.20 0.06
Cb 0.008; V 0.008; Al report value; Cu see standard;
Cu + Ni + Cr + Mo 0.50;
Cr + Mo see standard
≤ 16 - 0.17 1.40 - 0.045 0.045 - - - N 0.009 S235JR 1.0037 -
16 < t ≤ 40 - 0.20 1.40 - 0.045 0.045 - - - N 0.009
≤ 16 - 0.17 1.40 - 0.045 0.045 - - - N 0.007 S235JRG1 1.0036 -
16 < t ≤ 40 - 0.20 1.40 - 0.045 0.045 - - - N 0.007
≤ 16 - 0.17 1.40 - 0.045 0.045 - - - N 0.009
16 < t ≤ 40 - 0.17 1.40 - 0.045 0.045 - - - N 0.009 S235JRG2 1.0038 -
> 40 - 0.20 1.40 - 0.045 0.045 - - - N 0.009
≤ 16 - 0.17 1.40 - 0.040 0.040 - - - N 0.009
16 < t ≤ 40 - 0.17 1.40 - 0.040 0.040 - - - N 0.009 S235J0 1.0114 -
> 40 - 0.17 1.40 - 0.040 0.040 - - - N 0.009
≤ 16 - 0.17 1.40 - 0.035 0.035 - - - -
16 < t ≤ 40 - 0.17 1.40 - 0.035 0.035 - - - - S235J2G3 1.0116 -
Cu + Ni + Cr + Mo 0.50;
Cr + Mo see standard
Trang 23.1B Chemical Composition of Carbon Steels for Structural Steel Plates (Continued)
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol
or Name
Steel
≤ 40 ≤ 1.5 0.24 0.90 0.40 0.035 0.04 - - - - ASTM A 283/A 283M-03 C - K02401
> 40 > 1.5 0.24 0.90 0.15-0.40 0.035 0.04 - - - -
ASTM A 1011/A 1011M-03 40 [275] - K02502 ≤ 6.0 ≤ 0.229 0.25 0.90 report
value 0.035 0.04 0.15 0.20 0.06
Cb 0.008; V 0.008; Al report value; Cu see standard;
Cu + Ni + Cr + Mo 0.50;
Cr + Mo see standard K02595 ≤ 20 ≤ ¾ 0.25 - 0.40 0.04 0.05 - - - - K02596 20 < t ≤ 40 ¾ < t ≤ 1½ 0.25 0.80-1.20 0.40 0.04 0.05 - - - - K02597 40 < t ≤ 65 1½ < t ≤ 2½ 0.26 0.80-1.20 0.15-0.40 0.04 0.05 - - - - K02598 65 < t ≤ 100 2½ < t ≤ 4 0.27 0.85-1.20 0.15-0.40 0.04 0.05 - - - - ASTM A 36/A 36M-03a - -
Cu + Ni + Cr + Mo 0.50;
Cr + Mo see standard
≤ 13 ≤ ½ 0.23 0.60-0.90 0.10-0.35 0.035 0.04 - - - - ASTM A 573/A 573M-00a 58 [400] - K02301
13 < t ≤ 40 ½ < t ≤ 1½ 0.23 0.60-0.90 0.10-0.35 0.035 0.04 - - - -
≤ 20 ≤ ¾ 0.25 - 0.40 0.04 0.05 - - - -
20 < t ≤ 40 ¾ < t ≤ 1½ 0.25 0.80-1.20 0.40 0.04 0.05 - - - -
40 < t ≤ 65 1½< t ≤2½ 0.26 0.80-1.20 0.15-0.40 0.04 0.05 - - - - ASTM A 709/A 709M-03a 36 [250] - -
65 < t ≤ 100 2½ < t ≤ 4 0.27 0.85-1.20 0.15-0.40 0.04 0.05 - - - - JIS G 3101:1995 SS400 - - - - - - - 0.050 0.050 - - - -
≤ 50 - 0.23 2.5xC min - 0.035 0.035 - - - - SM400A - -
50 < t ≤ 200 - 0.25 2.5xC min - 0.035 0.035 - - - -
≤ 50 - 0.20 0.60-1.40 0.35 0.035 0.035 - - - - SM400B - -
50 < t ≤ 200 - 0.22 0.60-1.40 0.35 0.035 0.035 - - - - JIS G 3106:1999
SM400C - - ≤ 100 - 0.18 1.40 0.35 0.035 0.035 - - - - SN400A - - 6 ≤ t ≤ 100 - 0.24 - - 0.050 0.050 - - - -
6 ≤ t ≤ 50 - 0.20 0.60-1.40 0.35 0.030 0.015 - - - - SN400B - -
50 < t ≤ 100 - 0.22 0.60-1.40 0.35 0.030 0.015 - - - -
16 ≤ t ≤ 50 - 0.20 0.60-1.40 0.35 0.020 0.008 - - - - JIS G 3136:1994
SN400C - -
50 < t ≤ 100 - 0.22 0.60-1.40 0.35 0.020 0.008 - - - -
Trang 33.1B Chemical Composition of Carbon Steels for Structural Steel Plates (Continued)
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol
E 275 D - - - - 0.20 1.50 0.40 0.035 0.035 - - - Fine-grained
≤ 40 ≤ 1.5 0.27 0.90 0.40 0.035 0.04 - - - - ASTM A 283/A 283M-03 D - K02702
> 40 > 1.5 0.27 0.90 0.15-0.40 0.035 0.04 - - - -
ASTM A 1011/A 1011M-03 45 [310] - K02507 ≤ 6.0 ≤ 0.229 0.25 1.35 report
value 0.035 0.04 0.15 0.20 0.06
Cb 0.008; V 0.008; Al report value; Cu see standard;
Cu + Ni + Cr + Mo 0.50;
Cr + Mo see standard
≤ 16 - 0.21 1.50 - 0.045 0.045 - - - N 0.009
16 < t ≤ 40 - 0.21 1.50 - 0.045 0.045 - - - N 0.009 S275JR 1.0044 -
> 40 - 0.22 1.50 - 0.045 0.045 - - - N 0.009
≤ 16 - 0.18 1.50 - 0.040 0.040 - - - N 0.009
16 < t ≤ 40 - 0.18 1.50 - 0.040 0.040 - - - N 0.009 S275J0 1.0143 -
> 40 - 0.18 1.50 - 0.040 0.040 - - - N 0.009
≤ 16 - 0.18 1.50 - 0.035 0.035 - - - -
16 < t ≤ 40 - 0.18 1.50 - 0.035 0.035 - - - - S275J2G3 1.0144 -
Cu + Ni + Cr + Mo 0.50;
Cr + Mo see standard
≤ 13 ≤ ½ 0.24 0.85-1.20 0.15-0.40 0.035 0.04 - - - - ASTM A 573/A 573M-00a 65 [450] - K02404
13 < t ≤ 40 ½ < t ≤ 1½ 0.26 0.85-1.20 0.15-0.40 0.035 0.04 - - - -
Trang 43.1B Chemical Composition of Carbon Steels for Structural Steel Plates (Continued)
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol
or Name
Steel
50 [345] - K02703 ≤ 25 ≤ 1 0.27 1.35 0.40 0.04 0.05 - - - - ASTM A 529/A 529M-03
55 [380] - K02703 ≤ 25 ≤ 1 0.27 1.35 0.40 0.04 0.05 - - - -
ASTM A 1011/A 1011M-03 55 [380] - K02507 ≤ 6.0 ≤ 0.229 0.25 1.35 report
value 0.035 0.04 0.15 0.20 0.06
Cb 0.008; V 0.008; Al report value; Cu see standard;
Cu + Ni + Cr + Mo 0.50;
Cr + Mo see standard
≤ 13 ≤ ½ 0.27 0.85-1.20 0.15-0.40 0.035 0.04 - - - - ASTM A 573/A 573M-00a 70 [485] - K02701
13 < t ≤ 40 ½ < t ≤ 1½ 0.28 0.85-1.20 0.15-0.40 0.035 0.04 - - - - ASTM A 678/A 678M-00a A - K01600 ≤ 40 ≤ 1½ 0.16 0.90-1.50 0.15-0.50 0.035 0.04 - - - -
JIS G 3101:1995 SS490 - - - - - - - 0.050 0.050 - - - -
≤ 50 - 0.20 1.60 0.55 0.035 0.035 - - - - SM490A - -
50< t ≤ 200 - 0.22 1.60 0.55 0.035 0.035 - - - -
≤ 50 - 0.18 1.60 0.55 0.035 0.035 - - - - SM490B - -
50< t ≤ 200 - 0.20 1.60 0.55 0.035 0.035 - - - - SM490C - - ≤ 100 - 0.18 1.60 0.55 0.035 0.035 - - - - SM490YA - - ≤ 100 - 0.20 1.60 0.55 0.035 0.035 - - - - JIS G 3106:1999
SM490YB - - ≤ 100 - 0.20 1.60 0.55 0.035 0.035 - - - -
6 ≤ t ≤ 50 - 0.18 1.60 0.55 0.030 0.015 - - - - SN490B - -
50 < t ≤ 100 - 0.20 1.60 0.55 0.030 0.015 - - - -
16 ≤ t ≤ 50 - 0.18 1.60 0.55 0.020 0.008 - - - - JIS G 3136:1994
E 355 D - -
> 30 - 0.22 1.60 0.55 0.035 0.035 - - - fine-grained
Trang 53.1B Chemical Composition of Carbon Steels for Structural Steel Plates (Continued)
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol
> 40 - 0.24 1.60 0.55 0.045 0.045 - - - N 0.009
≤ 16 - 0.20 1.60 0.55 0.040 0.040 - - - N 0.009
16 < t ≤ 40 - 0.20 1.60 0.55 0.040 0.040 - - - N 0.009 S355J0 1.0553 -
> 40 - 0.22 1.60 0.55 0.040 0.040 - - - N 0.009
≤ 16 - 0.20 1.60 0.55 0.035 0.035 - - - -
16 < t ≤ 40 - 0.20 1.60 0.55 0.035 0.035 - - - - S355J2G3 1.0570 -
> 40 - 0.22 1.60 0.55 0.035 0.035 - - - -
≤ 16 - 0.20 1.60 0.55 0.035 0.035 - - - -
16 < t ≤ 40 - 0.20 1.60 0.55 0.035 0.035 - - - - S355J2G4 1.0577 -
> 40 - 0.22 1.60 0.55 0.035 0.035 - - - -
≤ 16 - 0.20 1.60 0.55 0.035 0.035 - - - -
16 < t ≤ 40 - 0.20 1.60 0.55 0.035 0.035 - - - - S355K2G3 1.0595 -
SM520C - - ≤ 100 - 0.20 1.60 0.55 0.035 0.035 - - - - JIS G 3101:1995 SS540 - - - - 0.30 1.60 - 0.040 0.040 - - - -
≤ 40 ≤ 1½ 0.20 0.70-1.35 0.15-0.50 0.035 0.04 - - - - ASTM A 678/A 678M-00a B - K02002
40 < t ≤ 65 1½ < t ≤ 2½ 0.20 1.00-1.60 0.15-0.50 0.035 0.04 - - - - JIS G 3106:1999 SM570 - - ≤ 100 - 0.18 1.60 0.55 0.035 0.035 - - -
EN 10025:1993 E 335 1.0060 - - - - - - 0.045 0.045 - - - N 0.009
≤ 40 ≤ 1½ 0.22 1.00-1.60 0.20-0.50 0.035 0.04 - - - - ASTM A 678/A 678M-00a C - K02204
40 < t ≤ 65 1½ < t ≤ 2½ 0.22 1.00-1.60 0.20-0.50 0.035 0.04 - - - -
EN 10025:1993 E 360 1.0070 - - - - - - 0.045 0.045 - - - N 0.009
Trang 63.2.1A Mechanical Properties of High-Strength Low-Alloy Structural Steel Plates
Section Thickness Yield Strength, min Tensile Strength, min Standard
Designation
Grade, Class, Type, Symbol
or Name
Steel Number Number UNS Treatment Heat t, mm t, in N/mm 2 or
N/mm 2 or
Elongation, min, % Other
65 < t ≤ 100 2½ < t ≤ 4 250 36 260WT (38WT) - - -
65 < t ≤ 100 2.5 < t ≤ 4 290 42 430-570 63-83 23
see standard for supplementary impact testing
Trang 73.2.1A Mechanical Properties of High-Strength Low-Alloy Structural Steel Plates (Continued)
Section Thickness Yield Strength, min Tensile Strength, min Standard
Designation
Grade, Class, Type, Symbol
or Name
Steel Number Number UNS Treatment Heat t, mm t, in N/mm 2 or
N/mm 2 or
Elongation, min, % Other
20 < t ≤ 40 ¾ < t ≤ 1½ 315 46 460 67 ASTM A 242/A 242M-03a - - K11510 -
65 < t ≤ 100 2½ < t ≤ 4 320 46 350W (50W) - - -
-
125 < t ≤ 200 5 < t ≤ 8 290 42 435 63
21 -
Trang 83.2.1A Mechanical Properties of High-Strength Low-Alloy Structural Steel Plates (Continued)
Section Thickness Yield Strength, min Tensile Strength, min Standard
Designation
Grade, Class, Type, Symbol
or Name
Steel Number Number UNS Treatment Heat t, mm t, in N/mm 2 or
N/mm 2 or
Elongation, min, % Other
16 < t ≤ 40 - 400 - S420M 1.8825 - TMCP
for impact data
Trang 93.2.1B Chemical Composition of High-Strength Low-Alloy Structural Steel Plates
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol
or Name
Steel
260WT (38WT) - - - - 0.20 0.80-1.50 0.15-0.40 0.03 0.04 - - - grain refining elements 0.10
> 40 > 1½ 0.20 CSA G40.21-04
50 [345]
Type 7 - - - - 0.18 1.65 0.60 0.025 0.035 - - - V 0.15; N 0.020; Cb 0.10 ASTM A 633/A 633M-01 A - K01802 ≤ 100 ≤ 4 0.18 1.00-1.35 0.15-0.50 0.035 0.04 - - - Cb 0.05
Trang 103.2.1B Chemical Composition of High-Strength Low-Alloy Structural Steel Plates (Continued)
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol
Ti 0.05; N 0.015
EN 10113-3:1993
S355ML 1.8834 - ≤ 63 - 0.14 1.60 0.50 0.030 0.025 - 0.30 0.20 Nb 0.05; V 0.10; Al 0.02 min;
Ti 0.05; N 0.015 300WT (44WT) - - - - 0.22 0.80-1.50 0.15-0.40 0.03 0.04 - - - grain refining elements 0.10
Trang 113.2.1B Chemical Composition of High-Strength Low-Alloy Structural Steel Plates (Continued)
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol
350WT (50WT) - - - - 0.22 0.80-1.50 0.15-0.40 0.03 0.04 - - - grain refining elements 0.10
K - - ≤ 200 ≤ 8 0.17 0.50-1.20 0.25-0.50 0.04 0.05 0.40-0.70 0.40 0.10 Cu 0.30-0.50; Cb 0.005-0.05
C - K12000 ≤ 100 ≤ 4 0.20 1.15-1.50 0.15-0.50 0.035 0.04 - - - Cb 0.01-0.05
≤ 40 ≤ 1½ 0.20 0.70-1.35 0.15-0.50 0.035 0.04 0.25 0.25 0.08 Cu 0.35 ASTM A 633/A 633M-01
40 < t ≤ 100 1½ < t ≤ 4 0.20 1.00-1.60 0.15-0.50 0.035 0.04 0.25 0.25 0.08 Cu 0.35 S420M 1.8825 - ≤ 63 - 0.16 1.70 0.50 0.035 0.030 - 0.30 0.20 Nb 0.05; V 0.12; Al 0.02 min;
Ti 0.05; N 0.020
EN 10113-3:1993
S420ML 1.8836 - ≤ 63 - 0.16 1.70 0.50 0.030 0.025 - 0.30 0.20 Nb 0.05; V 0.12; Al 0.02 min;
Ti 0.05; N 0.020
Trang 123.2.1B Chemical Composition of High-Strength Low-Alloy Structural Steel Plates (Continued)
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol
60 [415]
Type 5 - - 32 1¼ 0.26 1.35 0.40 0.04 0.05 - - -
Ti 0.006-0.04; N 0.003-0.015;
V 0.06 400WT (60WT) - - - - 0.22 0.80-1.50 0.15-0.40 0.03 0.04 - - - grain refining elements 0.10
70 [485]
Type 3 - - ≤ 25 ≤ 1 0.18 1.65 0.60 0.025 0.035 - - - V 0.08; N 0.020; Cb 0.008-0.10 ASTM A 656/A 656M-03
70 [485]
Type 7 - - ≤ 25 ≤ 1 0.18 1.65 0.60 0.025 0.035 - - - V 0.15; N 0.020; Cb 0.10
Trang 133.2.2A Mechanical Properties of Alloy Steels for Structural Steel Plates
Section Thickness Yield Strength, min Tensile Strength, min Standard
Designation
Grade, Class, Type, Symbol
or Name
Steel Number Number UNS Treatment Heat t, mm t, in N/mm 2 or
N/mm 2 or
Elongation, min, % Other
Trang 143.2.2A Mechanical Properties of Alloy Steels for Structural Steel Plates (Continued)
Section Thickness Yield Strength, min Tensile Strength, min Standard
Designation
Grade, Class, Type, Symbol
or Name
Steel Number Number UNS Treatment Heat t, mm t, in N/mm 2 or
N/mm 2 or
Elongation, min, % Other
50 < t ≤ 100 - 440 - 550-720 - S460QL 1.8906 - QT
100 < t ≤ 150 - 400 - 500-670 -
17 see standard for impact data
30 < t ≤ 50 1¹⁄₄ < t ≤ 2 515 75 585 85
50 < t ≤ 100 2 < t ≤ 4 450 65 515 75 ASTM A 710/A 710M-02 Grade A
50 < t ≤ 100 - 480 - 590-770 - S500QL 1.8909 - QT
100 < t ≤ 150 - 440 - 540-720 -
17 see standard for impact data
CSA G40.21-04 480WT (70WT) - - - ≤ 65 ≤ 2¹⁄₂ 480 70 590-790 85-115 17 see standard
for impact data
Trang 153.2.2A Mechanical Properties of Alloy Steels for Structural Steel Plates (Continued)
Section Thickness Yield Strength, min Tensile Strength, min Standard
Designation
Grade, Class, Type, Symbol
or Name
Steel Number Number UNS Treatment Heat t, mm t, in N/mm 2 or
N/mm 2 or
Elongation, min, % Other
3 ≤ t ≤ 50 - 500 -
50 < t ≤ 70 - 480 - 600-700 - 17
see standard for impact data
ASTM A 710/A 710M-02 Grade A
Class 1 - K20747 PH 8 < t ≤ 20 ⁵⁄₁₆ < t ≤ ³⁄₄ 550 80 620 90 20
L: 27 J at -45°C T: 20 J at -45°C ASTM A 852/A 852M-03 - - K12043 QT ≤ 100 ≤ 4 485 70 620-760 90-110 19 27 J at 10°C CSA G40.21-04 550WT (80WT) - - - ≤ 65 ≤ 2¹⁄₂ 550 80 620-860 90-125 15 see standard
for impact data
Trang 163.2.2A Mechanical Properties of Alloy Steels for Structural Steel Plates (Continued)
Section Thickness Yield Strength, min Tensile Strength, min Standard
Designation
Grade, Class, Type, Symbol
or Name
Steel Number Number UNS Treatment Heat t, mm t, in N/mm 2 or
N/mm 2 or
Elongation, min, % Other
50 < t ≤ 100 - 580 - 700-890 - S620QL 1.8927 - QT
100 < t ≤ 150 - 560 - 650-830 -
15 see standard for impact data
3 ≤ t ≤ 50 - 620 -
50 < t ≤ 70 - 580 - 710-880 - 15
see standard for impact data
≤ 65 ≤ 2½ 690 100 760-895 110-130 18 ASTM A 514/A 514M-00a all grades - - QT
3 ≤ t ≤ 50 - 690 - 770-940 -
50 < t ≤ 100 - 650 - 760-930 - S690QL 1.8928 - QT
100 < t ≤ 150 - 630 - 710-900 -
14 see standard for impact data
3 ≤ t ≤ 50 - 690 - 770-940 -
EN 10137-2:1996
Trang 173.2.2A Mechanical Properties of Alloy Steels for Structural Steel Plates (Continued)
Section Thickness Yield Strength, min Tensile Strength, min Standard
Designation
Grade, Class, Type, Symbol
or Name
Steel Number Number UNS Treatment Heat t, mm t, in N/mm 2 or
N/mm 2 or
Elongation, min, % Other
65 < t ≤ 100 2½ < t ≤ 4 620 90 760-895 110-130 18 -
t ≤ 65 t ≤ 2½ 700 100
CSA G40.21-04
700QT (100QT) - - QT 65 < t ≤ 100 2½ < t ≤ 4 620 90 760-895 110-130 18
see standard for impact data
Trang 183.2.2B Chemical Composition of Alloy Steels for Structural Steel Plates
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol
E 355 E - - - - 0.18 0.9-1.6 0.50 0.025 0.025 0.25 0.30 0.10 Nb 0.015-0.060; V 0.02-0.10;
Al 0.020 min; Ti 0.02-0.20; Cu 0.35 50W [345W]
Type A - - - - 0.19 0.80-1.25 0.30-0.65 0.04 0.05 0.40-0.65 0.40 - Cu 0.25-0.40; V 0.02-0.10 50W [345W]
Type B - - - - 0.20 0.75-1.35 0.15-0.50 0.04 0.05 0.40-0.70 0.50 - Cu 0.20-0.40; V 0.01-0.10 ASTM A 709/A 709M-03a
50W [345W]
Type C - - - - 0.15 0.80-1.35 0.15-0.40 0.04 0.05 0.30-0.50 0.25-0.50 - Cu 0.20-0.50; V 0.01-0.10 ASTM A 710/A 710M-02 Grade A
Class 2 - K20747 - - 0.07 0.40-0.70 0.40 0.025 0.025 0.60-0.90 0.70-1.00 0.15-0.25 Cu 1.00-1.30; Cb 0.02 min S460Q 1.8908 - - - 0.20 1.70 0.80 0.025 0.015 1.50 2.0 0.70 N 0.015; B 0.0050; Cu 0.50;
Nb 0.06; Ti 0.05; V 0.12; Zr 0.15 S460QL 1.8906 - - - 0.20 1.70 0.80 0.020 0.010 1.50 2.0 0.70 N 0.015; B 0.0050; Cu 0.50;
Class 3 - K20747 - - 0.07 0.40-0.70 0.40 0.025 0.025 0.60-0.90 0.70-1.00 0.15-0.25 Cu 1.00-0.30; Cb 0.02 min S500Q 1.8924 - - - 0.20 1.70 0.80 0.025 0.015 1.50 2.0 0.70 N 0.015; B 0.0050; Cu 0.50;
Nb 0.06; Ti 0.05; V 0.12; Zr 0.15 S500QL 1.8909 - - - 0.20 1.70 0.80 0.020 0.010 1.50 2.0 0.70 N 0.015; B 0.0050; Cu 0.50;
Nb 0.06; Ti 0.05; V 0.12; Zr 0.15
EN 10137-2:1996
S500QL1 1.8984 - - - 0.20 1.70 0.80 0.020 0.010 1.50 2.0 0.70 N 0.015; B 0.0050; Cu 0.50;
Nb 0.06; Ti 0.05; V 0.12; Zr 0.15 CSA G40.21-04 480WT (70WT) - - ≤ 65 ≤ 2¹⁄₂ 0.26 0.80-1.50 0.15-0.40 0.03 0.04 - - - grain refining elements 0.10;
N 0.01-0.02 if N < 0.25 Va
Trang 193.2.2B Chemical Composition of Alloy Steels for Structural Steel Plates (Continued)
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol
Class 1 - K20747 ≤ 20 ≤ ³⁄₄ 0.07 0.40-0.70 0.40 0.025 0.025 0.60-0.90 0.70-1.00 0.15-0.25 Cu 1.00-1.30; Cb 0.02 min ASTM A 852/A 852M-03 - - K12043 ≤ 100 ≤ 4 0.19 0.80-1.35 0.20-0.65 0.035 0.04 0.40-0.70 0.50 - Cu 0.20-0.40; V 0.02-0.10 CSA G40.21-04 550WT (80WT) - - ≤ 65 ≤ 2¹⁄₂ 0.15 1.75 0.15-0.40 0.03 0.04 - - - grain refining elements 0.15;
N 0.01-0.02 if N < 0.25 Va S550Q 1.8904 - - - 0.20 1.70 0.80 0.025 0.015 1.50 2.0 0.70 N 0.015; B 0.0050; Cu 0.50;
Nb 0.06; Ti 0.05; V 0.12; Zr 0.15 S550QL 1.8926 - - - 0.20 1.70 0.80 0.020 0.010 1.50 2.0 0.70 N 0.015; B 0.0050; Cu 0.50;
Nb 0.06; Ti 0.05; V 0.12; Zr 0.15
EN 10137-2:1996
S550QL1 1.8986 - - - 0.20 1.70 0.80 0.020 0.010 1.50 2.0 0.70 N 0.015; B 0.0050; Cu 0.50;
Nb 0.06; Ti 0.05; V 0.12; Zr 0.15 S550A 1.8991 - 3 ≤ t ≤ 70 - 0.03-0.12 0.30-1.80 0.50 0.025 0.015 0.3 2 0.5 N 0.015; Cu 2; Nb 0.060;
Ti 0.10; V 0.10; Al 0.080
EN 10137-3:1996
S550AL 1.8992 - 3 ≤ t ≤ 70 - 0.03-0.12 0.30-1.80 0.50 0.020 0.010 0.3 2 0.5 N 0.015; Cu 2; Nb 0.060;
Ti 0.10; V 0.10; Al 0.080
Trang 203.2.2B Chemical Composition of Alloy Steels for Structural Steel Plates (Continued)
Section Thickness Weight, %, Maximum, Unless Otherwise Specified Standard
Designation
Grade, Class, Type, Symbol
Nb 0.06; Ti 0.05; V 0.12; Zr 0.15
EN 10137-2:1996
S620QL1 1.8987 - - - 0.20 1.70 0.80 0.020 0.010 1.50 2.0 0.70 N 0.015; B 0.0050; Cu 0.50;
Nb 0.06; Ti 0.05; V 0.12; Zr 0.15 S620A 1.8993 - 3 ≤ t ≤ 70 - 0.03-0.12 0.30-1.80 0.50 0.025 0.015 0.3 2 0.5 N 0.015; Cu 2; Nb 0.060;
Gr 100 [690] &
100W [690W]
Type C
- - ≤ 32 ≤ 1¼ 0.10-0.20 1.10-1.50 0.15-0.30 0.035 0.035 - - 0.15-0.30 B 0.001-0.005 Note: This section continued on next page