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* ** *** ****
()* ** *** ****
1994 A572 A36 A992 A913 A992 SM 1994 SN 1995SM 11 SM SN 1997 SN CNS SN
AISC
1
SN490BSN490C A572 GR. 50A36
2 .1
(Strength)(Ductility)(Toughness) 30-50
A572A36AISC1997 AISCTechnical Bulletin #35A572 Gr 50HAISC-50 1998 ASTMA992 HA992 A992 2001 AISC ASD SUPPLEMENT No. 1 A992 A572 A36 H 1994 AISCSSPC
2
13 1994 1995 20 ft-lbs@70 95Group 4 5 1 20 ft-lbs@70AISC
2. 2
H GMAWSMAW FCAW H H SAW EGW ESW EGW ESW H - EGWESW
3
EGWESW EGWESW
2.3
SM A572A36 SM
JIS 1994 SN 1995 SM C
4
ASTM A913 ASTM
EGWESWUT7Group 45 5cm 176
5
ASTM ASTM
A572 A36 SN
6
AISC AIJ
AISC
ASTM A572A36A992A913
JIS SM400SM490SN490BSN490C
CNS JIS SM400SN490BSN490C
AWS AIJ AWSAIJ H
EGW ESW
1. AISC LRFD7 ASD8 a. ASTM Group 4, 5
25.4mm 1in 27J21
b. (1) (2) (3) (4) ASTM A992 A572 Gr 50
c. AISC ASD Supplement No.1 (2001)8A992 A572 Gr50 A36 H
2.AISC (2000)10(2002),11
a. ASTM Group 3, 4, 5 38 50 CVN 27J2120ft-lbs@70
b. CVN 27J-2920 ft-lbs@-20
1. SM SN 27J0
2. SN a. b.
CiMn
c. d.
e.
1. 2. AISC1994 50mm2 in CVN 27J2120ft-lbs@70 25mm
1. AWS
2.AWS EGW ESW 176
EGW ESW
1. 2. EGW ESW
7
CCuNbVNPSPS
(C)(Si)(Mn)(P)(S)(Ni)(Cr)(Mo)(V)(Cu)CeqPcm
8
UCS CSP 80-90 A913-50 AISC 50 Cu, Ni, Cr, Mo, V, Cb Cu, Ni, Cr, Mo S
(%) Max
C Si Mn P S Cu Ni Cr Mo V Cb
A36 0.26 0.40 -- 0.04 0.05 -- -- -- -- -- --
A572-50 0.23 0.40 1.35 0.04 0.05 -- -- -- -- 0.01- 0.15 0.005-0.05
A913-50 0.12 0.40 1.6 0.04 0.03 0.45 0.25 0.25 0.07 0.06 0.05
A992 0.23 0.40 0.50- 1.50 0.035 0.045 0.60 0.45 -- 0.15 0.11 0.05
AISC 50 0.23 0.40 0.50- 1.50 0.035 0.045 0.60 0.45 0.35 0.15 0.01- 0.15
0.005-0.05
CSA44W 0.22 0.04 0.50- 1.50 0.04 0.05 -- -- -- -- 0.10 0.10 CSA44W 0.22 0.04 0.50- 1.50 0.04 0.05 -- -- -- -- 0.10 0.10
SM490A (
SNSMSN490CSM490CSNSP 25 0.008S 0.003%ZRA 50-60% 3 Z15 (3 15% 0.01%) Z25(3 25% 0.007%)Z35(3 35%0.005%)CSSNSNASTM ASTM14A992 0.045%Group 4, 5 H 35 KJ/cmSMAWGMAWFCAW 35 KJ/cmHASTMAISCH 100KJ/cmEGW 400-600 KJ/cmESW 900 KJ/cmSPSM490 0.18 0.180 KJ/cm1TMCPSNSMASTMASTMA572
10
250 KJ/cm?
SSSM ASTM SM SN
1. 2. 3. 4.
11
(CVN )ToughnessUnnotched()(Notch toughness) CVN CVN ()
3 1/2
12
1940 CVN 21 J (15 ft-lb)AWS Presidential Task Group 0.03 rad. CVNAISC 27J21(20 ft-lb 70)CVNFEMASAC151994-1995 1988 A36 A572 (W14)CVN 21J21(15 ft-lb 70) 5%(Core Region)(Transition Temperature) 27J21AISC LRFD7Group 4 5 CVN
1970s1/4 200 JEGW 20-35J 15JAISC
13
() 20,000 1/4 Size Effect
ASTM A992 AISC 1994 3 A572 GR. 50 H(AISC-50) 1998 ASTMA992 HASTM JISASTMAISC
14
CCorner jointTT-jointAWS16
A588A709 Gr50w
() TMCP
1.:
2. 94 1524mm 2600KG
15
,94 ()
16
1A36 / SS40019,800/;19,200/2(/)
2.1 JIS
(mm)(1) JIS G3101-95 ()SS 400 0 0 0 220SS 490 650 650 650 -(2) JIS G3106-99 ()SM 400A 220 220 730 -SM 400B 430 560 1,000 -SM 400C 820 1,150 1,450 -SM 490A 710 710 780 1,250SM 490B 820 1,320 1,550 -SM 490C 1,320 1,550 1,840 -SM 520B 1,360 1,640 1,900 -SM 520C 1,640 1,900 2,140 -SM 570 2,650 2,820 3,150 5,200(3) JIS G3114-98 ()SMA 400A 730 730 1,250 -SMA 400B 1,000 1,080 1,510 -SMA 400C 1,340 1,690 1,860 -SMA 490A 1,700 1,700 1,700 -SMA 490B 1,990 2,240 2,510 -SMA 490C 2,240 2,510 2,770 -(4) JIS G3136-94 ()SN 400A 330 330 900 -SN 400B 560 750 1,200 -SN 400C 2,450 2,470 2,860 -SN 490B 920 1,070 1,500 1,920SN 490C 2,850 2,850 3,230 -2.2 ASTM
(mm)
A36 0 0 0 220
A242 2,640 2,640 2,640 -
A572 Gr.50 710 710 780 1,250
A572 Gr.60 1,360 1,640 1,900 -A572 Gr.65 1,540 1,810 2,080 -
A573 Gr.65 1,090 1,090 1,090 -A573 Gr.70 1,280 1,280 1,280 -
A588 2,380 2,380 2,380 -
(3) ASTM A572-97c ()
(4) ASTM A573-93a ()
(5) ASTM A588-97a (50ksi)
(1) ASTM A36-97a ()
(2) ASTM A242-97 ()
38
SN SN 101 60 SM570 SM570M ()
X
A36 X X X X X X X 0.040 0.050
A572-50 X X X X X X X 0.040 0.050
A913-50 X X X 54J@21
X X 0.040 0.030
A992 (2)
(50-65 ksi)X
(0.85) X X X 0.035 0.045
AISC50 (2)
(50-65 ksi)X
(0.85) X X X 0.035 0.045
SM-A X(1) X
(2)
(71-88 ksi)X X X X 0.035 0.035
SM-B X(1) X (2)
(71-88 ksi)X 27J@0 X X 0.035 0.035
SM-C X(1) X
(2)
(71-88 ksi)X
47J@0X X 0.035 0.035
SN-A ( 50KG )
X X X X X X 0.050 0.050
SN-B (2)
(47-64 ksi)(2)
(71-88 ksi)
(0.80) 27J@0 X X 0.030 0.015
SN-C
(2)
(47-64 ksi)(2)
(71-88 ksi)
(0.80) 27J@0
3 25
0.020 0.008 (1)SM570
(2) 50KG 40mm
17
SN 400mpa 41 f/2 490mpa 50f/2ABCCSN400ASN400BSN400C 400mpa 490mpaSNBCSN490B SN490C
A SN400A CNS SM400 SM490 ASTM A572 A36 CNS SS
B SN400B SN490B(>400KJ/cm) H 38mm H 38mm
ASTM A572 A36A992A913 CNS SM490 B 23 50mm 176
0.005rad 0.03rad ASTM A572 A36A992 CNS SM490 SN B 38mm 27J0 CVN CVN 27J21
18
SN490C
ASTM A572 A36A992 CNS SM49038mm 27J0 CVN
H ASTM A572 A36A992 CNS SM490 H SN490B A913 38mm CVN 27J21 50mm
C SN400C SN490CSAWEGWESW SN C 27J0( C ) ( S ) ( P )
19
ASTMCNSJISA572A36A992 A913 A572A36 A992-50 HA913AISCA992 A572 Gr. 50 A36 HASTM-2001 A992 AISCHHA572 Gr. 50 6,12A992 A992 ASTM A53()CNS STKR400() 38mm 27J21A913 A572A36 A992 .
CNSJIS SN SN SN-C H CNS SN-B 38mm H A992 38mm
20
A572A36 A992SM490 SN CNS
[1] 1996
[2] 101 2004
[3] 2001 [4] S. T. Rolfe and J. M. Barsom, Fracture and Fatigue Control in Structures / Application of
Fracture Mechanics, Prentice-Hall, 1977. [5] AISC, Steel Industry Announces Improved Structural Grade For Buildings ., AISC, 1997. [6] AISC, Steel Industry Embraces A992, AISC, Modern Steel Construction, 1999. [7] AISC, Manual of Steel Construction: Load and Resistance Factor Design 2nded., AISC,
2001. [8] AISC, Supplement No.1 to the Specification for Structural Steel Buildings, AISC, 2001. [9] AISC, Seismic Provisions for Structural Steel Buildings (1997), AISC, 1997. [10] AISC, Seismic Provisions for Structural Steel Buildings (1997) Supplement No. 2, AISC,
2000. [11] AISC, Seismic Provisions for Structural Steel Buildings (2002), AISC, 2002. [12] S. Zoruba and K. A. Grubb, Do You 992? AISC, Modern Steel Construction, 2003 [13] J. Cattan, Statistical Analysis of Charpy V-Notch Toughness For Steel Wide Flange
Structural Shapes, Modern Steel Construction, 1996 [14] R. J. Dexter, S. D. Prochnow and M. I. Perez, Constrained Through-Thickness Strength of
Column Flanges of Various Grades and Chemistries , Modern Steel Construction, 2001 [15] FEMA, State-of-the-Art Report on Base Metals and Fracture, Report No. FEMA 355A,
FEMA, Washington, D.C. , 2000 [16] AWS, Structural Welding Code - Steel, AWS, 1998.
21
[17] C. G. Salmon and J. E. Johnson, Steel Structures Design and Behavior, Harper Collins, 1996.
22
[ASTM A572A36A992() CNSJISSM SN ]
ASTM A36-94
(mm) C Si Mn P S
Ksi (N/mm2)
Ksi (N/mm2)
in(mm)
%
19.05
0.25
0.40
0.04
0.05
19.05
38.10
0.25
0.40
0.80
1.20
0.04
0.05
38.1 63.50
0.26
0.15
0.40
0.80
1.20
0.04
0.05
63.5 101.6
0.27
0.15
0.40
0.85
1.20
0.04
0.05
36 (250)
58~80 (400~550)
GL=8 (200) GL=2 (50)
20
23
: 1. Cu 0.20
2. C 0.01Mn 0.06 Mn 1.35 3. 24in.(600mm) 2 4. 5/16in.(8mm) ASTM A6
23
ASTM A572-94
Type1 Type2 Type3 Type4
(mm) C Si Mn P S Nb V Nb (0.05%)
+V
N
+V
Ksi (N/mm2)
Ksi (N/mm2)
in(mm)
%
38.10 0.40 Grade
42 38.1
0.21 0.15
0.40
1.35
0.04
0.05
0.005
0.05
0.01
0.15
0.02
0.15
0.015
42 (290)
60 (415)
GL=8 (200)
GL=2 (50)
20
24
38.10 0.40 Grade
50 38.1
0.23 0.15
0.40
1.35
0.04
0.05
0.005
0.05
0.01
0.15
0.02
0.15
0.015
50 (345)
65 (450)
GL=8
(200) GL=2 (50)
18
21
Grade 60
31.8 0.26
0.40
1.35
0.04
0.05
0.005
0.05
0.01
0.15
0.02
0.15
0.015
60 (415)
75 (520)
GL=8 (200)
GL=2 (50)
16
18
12.7 0.26
1.35 Grade
65 12.7 31.80
0.23
0.40
1.65
0.04
0.05
0.005
0.05
0.01
0.15
0.02
0.15
0.015
65 (450)
80 (550)
GL=8 (200) GL=2 (50)
15
17
: 1. 0.20
2. 9.53mm Mn 0.8 9.53mm Mn 0.50%Mn%:C% 21
3.Gr. 42,Gr. 50 Gr. 60 C 0.03Mn 1.5 4.Gr. 65 12.70mm 0.21 Mn 1.65 5. 0.015 N V VN 21 3. 24in.(600mm)Gr.42 Gr.50 2Gr.60 Gr.65 3 4. 5/16in.(8mm) ASTM A6
24
ASTM A992- Wide Flange
(mm) C Si Mn P S Nb V
Nb+V
V --- N
Ksi (N/mm2)
Ksi (N/mm2)
in(mm)
%
Grade
50
All- Groups
0.23
0.40 0.5-1.5 0.035 0.045 0.05 0.11 0.15
>4
if N>0.012
50-65
(345-450)
65
(450)
GL=8
(200) GL=2 (50)
18
21
: 1.Group 1 shape Mn 0.3 Mn%:S% 201
2. 0.012 N V VN 41 3. CE=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15 CE
CNS2947 G3057-92/JIS G3106-95
N/mm2(kgf/mm2)
(mm)
(mm) C Si Mn P S 16
16~40
40~75
75~100
N/mm2
(kgf/mm2)
(mm)
Charpy(kgf/m)
50 0.23 SM400A (SM 41A) 50
200 0.25
2.5*C
50 0.20 SM400B (SM 41B) 50
200 0.22
0.35
0.60 1.4
0 27(2.8)
SM400C (SM 41C) 100
0.18
0.35
1.4
0.035
0.035
245(25)
235(24)
215(22)
215(22)
400~510(41~52)
6 ~ 16 , 16~ 50 , 40
1A 1A 4
18 22 24
0 47(4.8)
50 0.20 SM490A (SM 50A) 50
200 0.22
0.55
1.60
50 0.18 SM490B (SM 50B) 50
200 0.20
0.55
1.60
0 27(2.8)
SM490C (SM 50B) 100
0.18
0.55
1.60
0.035
0.035
325(33)
315(32)
295(30)
295(30)
490~610(50~62)
6 ~ 16 , 16~ 50 , 40
1A 1A 4
17 21 23
0 47(4.8)SM490YA (SM 50YA)
SM490YB (SM 50YB)
100 0.20 0.55
1.60
0.035
0.035
365(37)
355(36)
335(34)
325(33)
490~610(50~62)
6 ~ 16 , 16~ 50 , 40
1A 1A 4
15 19 21 0 27(2.8)
SM520B (SM 53B) 0
27(2.8)
SM520C (SM 53C)
100 0.20 0.55
1.60
0.035
0.035
365(37)
355(36)
335(34)
325(33)
520~640(53~65)
6 ~ 16 , 16~ 50 , 40
1A 1A 4
15 19 21 0 47(4.8)
SM570 (SM 58) 100
0.18
0.55
1.60
0.035
0.035
460
(47)
450
(46)
430
(44)
420
(43)
570~720
(58~73)
6 ~ 16 , 16~ 50 , 40
5 5 4
19 26 20
-5 47(4.8)
4
1. 2. 12mm
3. ,14V
+4
Mo+
5Cr
+40Ni
+24Si
+6
Mn+C=
SM490 TMCP SM520
TMCP SM570
50 0.38 0.40 0.44
50 100 0.40 0.42 0.47
26
CNS13812 G3262-97/JIS G3136-94 (a)
N/mm2(kgf/mm2) (mm)
(mm) C Si Mn P S Ceq 12
12~16
16
16~40
40~100
N/mm2
(kgf/mm2)
SN400A 6mm 100 0.24
0.050
0.050
235(24)
235 (24)
235 (24)
235 (24)
215 (22)
6mm
50 0.20
SN400B 50 100
0.22
0.35
0.60 1.4
0.030
0.015
0.36
235(24)
235~355(24~36)
235~355(24~36)
235~355 (24~36)
215~355(22~34)
16mm 50
0.20
SN400C 50 100
0.22
0.35
0.60 1.4
0.020
0.008
0.36
235~355
(24~36)
235~355
(24~36)
215~355
(22~34)
400~510 (41~52)
6mm 40
0.44
40 50
0.18
SN490B
50 100
0.20
0.55
1.60
0.030
0.015 0.46
325(33)
325~445(33~45)
325~445(33~45)
325~445 (33~45)
295~415(30~42)
16mm 40
0.44
40 50
0.18
SN490C
50 100
0.20
0.55
1.60
0.020
0.008 0.46
325~445(33~45)
325~445 (33~45
295~415(30~42)
490~610 (50~62)
1.
2.14V
+4
Mo+
5Cr
+40Ni
+24Si
+6
Mn+C=Ceq
3. 12mm
27
(a)
1A 1A 4
(mm) (mm)
12
12~16
16
16~40
40~100
16
16~50
40~100
Charpy(kgf/m)
SN400A 17
21
23
SN400B 80
80
80
80
SN400C
80
80
80
18
22
24
25
15
SN490B 80
80
80
80
SN490C
80
80
80
17
21
23
25
15
0 27
(2.8)
4
28
101
, ASTM A572 Gr50CNS SN490B 60 Kgf A572 Gr 60Gr 65 SM570
50 60 JIS CNS SM400SM490 SM570 SN 1995 SS SM SN400SN490 SM400SM490 SM570 SN SN JIS CNS SSSM ASTM SN SN SSSM ASTM ASTM SM SN
29
SN SN
60 kgf ASTM A572 Gr.60 Gr.65 CNS(JIS) SM570 60 kgf 2.4 x 3.0m 5080 60 kgf
A A572 Gr. 60Gr. 65 SM570 50 50 kgf SN C
B 60 kgf SA440 JIS 2
60 kgf
30
50 50 85 ASTM A572 TMCP
TMCP EGW HAZ 1/2
CNS SM570 ASTM A572 Gr. 60 4200 Kgf/cm2SM570 SMSNSM570 MMModifiedSM570
C2.1 SM570M TMCP
31
EGW ESW SP SM570 SP SN C N EGW ESW HAZ SM570M CMnSNbV
65mm 12 7 50mm 80mm 101
32
C2.1 SM570M
1.1 (Fy)4200Fy5200Kgf/cm21.
1.2 (Fu)5800Fu7300Kgf/cm2
2.1 H (Fy/ Fu0.85) (40mm ,Fy/ Fu0.85) (40mm ,Fy/ Fu0.8)
2.2 15%25%
( SN490C)
2.3 12mm1/4 47J(-5) 50mm 1/2 27J(-5)
2.
50mm 1/2 1/4
3.1 40mmCeq0.4440mmCeq0.463.2 40mmPcm0.2640mmPcm0.29 3.3 13mm JIS G0901Y
3.
3.4 EGW ESW 15J-5
EGW ESW
33