JSW b9×8 ö5ê5ðC Si Mn Ni Cr Mo A757 E1Q Ì0.22 Ì0.60 0.50-0.80 2.50-3.50 1.35-1.85 0.35-0.60...

2018 7 31

JSW

C Si Mn Ni Cr Mo

SCW480 0.22 0.80 1.50 0.50 0.50 ―

BMN 0.15-0.25 0.50 0.80-1.50 0.50 0.10-0.50 0.15

0.2%

(MPa) (MPa) (%) (%) (J/cm2)

SCW480 275 480 20 ― 27

BMN 380 570 30 62 98

BMN

BMN (mass%)14,000t 35t4,000t

JSW

( 270t BMN)

( 168t BMN)

( 349t MCX)

( 241t BMN) ( 42t BMN)

( )

400MN

27J

BMN JIS G 5102 SCW480

BMN

MCX1 JIS G 5102 SCW550

MCX1 0 BMN

C Si Mn Ni Cr Mo

SCW550 0.22 0.80 1.50 2.50 0.50 0.30

MCX1 0.15-0.25 0.50 0.60-1.20 1.00-2.00 0.20-0.70 0.30

0.2%

(MPa) (MPa) (%) (%) (J/cm2)

SCW550 355 550 18 ― 27

MCX1 450 600 28 65 60

4 MCX1

3 MCX1 (mass%)

0

JISJIS 0

PROPERTY OF JSW Use this document solely for the purpose given. Do not disclose, reproduce, or use otherwise without the written consent of Japan Steel Works, LTD.

TEL. 03-5745-2059

http://www.jsw.co.jp/

2018 7 31

2 MCX3

104 105 106 107 108

0

100

200

300

400

500

, σ

/ M

Pa

310MPa

700MPa

JSW

MCX2 JIS G5102 SCW620

MCX2 -20 MCX1

C Si Mn Ni Cr Mo

SCW620 0.22 0.80 1.50 2.50 0.50 0.50

MCX2 0.15-0.25 0.50 0.60-1.20 2.00-3.00 0.20-0.70 0.20-0.40

0.2%

(MPa) (MPa) (%) (%) (J/cm2)

SCW620 430 620 17 ― 27

MCX2 520 640 25 68 40

6 MCX2

5 MCX2 (mass%)

-20

MCX3 ASTM A757 E1Q

MCX3 -40

MCX3 MCX2

C Si Mn Ni Cr Mo

A757 E1Q 0.22 0.60 0.50-0.80 2.50-3.50 1.35-1.85 0.35-0.60

MCX3 0.15-0.25 0.50 0.60-1.20 3.00-4.00 1.00-2.00 0.20-0.40

0.2%

(MPa) (MPa) (%) (%) (J/cm2)

A757 E1Q 450 620 22 40 41

MCX3 570 720 25 65 40

8 MCX3

7 MCX3 (mass%)

-40

103600 700 800 900 10000

50

100

150

200

250

0/

J

/ MPa

500

MCX

3

6500

BMN 8t 270t MCX 8t 180t

1

JISJIS 0

ASTMASTM -73

PROPERTY OF JSW Use this document solely for the purpose given. Do not disclose, reproduce, or use otherwise without the written consent of Japan Steel Works, LTD.