Influence of welding condition about the weld metal toughness. (Part.3 Outline and Welding condition

HIRAI/Keiichi et all

*1 *2 *3*4 *5 *6*7 *8

2 55

19mm× 500mm 600mm 20°V

TMCP385B SN490BJIS Z 3312 YGW18

1.2mm TMCP385B JIS Z 3312 YGW111.2mm SN490B 1

2 3

4 4

4

1mm 20

1

A M

SN490B 19mm

600mm TMCP385B 19mm

500mm 600mm

YGW11

1.2mm YGW18

1.2mm 100%CO2

4 4

C Si Mn P S Mo Ti+Zr

( mass) SN490B 0.16 0.35 1.40 0.023 0.005 0.00

TMCP385B 0.14 0.35 1.33 0.008 0.001 0.00 YGW11 0.03 0.78 1.48 0.011 0.009 0.20 YGW18 0.07 0.89 1.70 0.013 0.009

*1 ,*2 ,*3 ,*4 ,*5 ,*6 ,*7 ,*8

*1 Takenaka Corporation *2 Yasui Architects&Engineers,INC. *3 Taisei Corporation *4 Nihon Sekkei Inc. *5 Nikken Sekkei Ltd. *6 Fujita Corporation *7 Kajima Corporation *8 KOBE STEEL,LTD.

t/2

t/2

t/2

5 800 500

(1 )

h HI6

50ppmA40 71ppm

1 2 4 4

4

(cm/min)

(kJ/cm)

( ) (sec.) (A) (V)

A20 290 32 30.0 18.6 157 19.1 A25 301 33 25.0 23.8 207 37.1 A30 286 32 21.0 26.1 254 56.0 A35 287 32 18.0 30.6 308 102.7 A40 299 32 15.0 38.3 348 201.6 M20 301 34 30.0 20.4 165 22.9 M25 304 33 25.0 24.1 207 37.7 M30 300 34 21.0 28.9 264 68.9 M35 300 33 18.0 33.0 308 116.7 M40 298 34 15.0 40.2 360 234.1

C Si Mn P S Mo Ti Al B O N

( mass) (ppm) A20 0.07 0.58 1.18 0.012 0.007

2019 9

Influence of welding condition about the weld metal toughness (Part5 Analysis of Experiment Result

KAGAMI/Yasuo et all

5

*1 *2 *3 *4 *5 *6 *7 *8

1

2

52

(vE(T))

(T) 1) 1vEshelf

vTE kaEXCEL GRG

(B(T)) (T)( 2) vEshelf =100

( ) = ( ×( )) ( 1)

( ) = ( ×( )) ( 2) A M

11 (vEshelf) A M

A M

( 1 )0 2

3 2

2 A M

1

vEshelf (J) ka vTE ( )

A20 167.5 -0.0460 -23.7 A25 188.0 -0.0484 -2.3 A30 189.0 -0.0821 -2.9 A35 212.8 -0.0541 -10.9 A40 225.2 -0.0368 -19.1 M20 177.0 -0.0520 -44.8 M25 187.8 -0.0458 -42.2 M30 190.2 -0.0570 -5.4 M35 186.9 -0.0536 -25.4 M40 205.1 -0.0655 -11.6

1

2

( )

(J) ( ) 0 (J) A20 -19.0 92.8 -23.7 125.4 A25 -3.9 90.3 -2.3 99.2 A30 -3.9 90.8 -2.9 105.8 A35 -8.6 112.9 -10.9 136.8 A40 1.9 154.1 -19.1 150.7 M20 -56.6 62.1 -44.8 161.3 M25 -46.6 84.6 -42.2 164.1 M30 -10.3 81.8 -5.4 109.5 M35 -15.2 118.9 -25.4 148.8 M40 1.4 143.8 -11.6 139.7

2019 9

*1 ,*2 ,*3 , *4 *5, ,*6 ,*7 *8

*1 Nikken sekkei Ltd,*2 Yasui Architects INC,*3 Taisei Corporation, *4 Nihon Sekkei Inc,*5 Fjita.Co.Ltd,*6 Takenaka,*7 Kajima.Co.Ltd *8 KOBE STEEL, LTD.

()

3 A M ()

A MA A20 A40

20 M M20M40 50

0 4 M0

A 03 A M

A

A M4

5

3A M

4 4

2

()

0

(

)( 70J)

3

(%)

(J) (%) (J)

(J)

A20 72 90 28 190 118 A25 68 85 32 185 117 A30 56 80 44 180 124 A35 37 75 63 175 138 A40 42 70 58 170 128 M20 76 140 24 220 159 M25 74 130 26 210 151 M30 54 120 46 200 157 M35 59 110 41 190 143 M40 40 100 60 180 148

AW WG24

1)WES 2808:2003

4 0

2

3

5