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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.
