100-8071 61Tel: 03-6867-4111

1998,2012,2018 NIPPON STEEL & SUMITOMO METAL CORPORATION K015_03_201803f

http://www.nssmc.com/

01

T 25

1.HSM490AT25

2.

3.

4.

5.

P02

P03

P04

P05

P06

P08

P10

P11

P12

P14

P16

02 03

H

H

H52m3m

22

2m

3m

mm

12

13

12

13

kgf1

424

624

430

630

mm

208

208

208

208

m2

2.0

3.0

2.0

3.0

47.19

37.00

3,370.00

1,140.00

347.00

116.00

8.45

4.92

A cm2

W kg/m

Ix cm4

Iy cm4

Zx cm3

Zy cm3

ix cm

iy cm

JIS G 3106SM490A

197

192

88

Y

Y3

3

13

X X

6

8

04 05

1m3m 2

92

1270

196

75

271

5555

997

997

2997

196

12

75

208

2997

208

200

196

180180

B

B/25

FB6188SM490A

FB6188SM490A

L75759

L75759

23.5

1270180

H19219768SM490A5060

100

100

70

50

208

75

70

B

B25

208

70

B

B235

=150mm

M20

16t

M20

06 07

21

1. 100V19.0mm30mmL=100mmL=150mm19.0mm1

2.902

3.3

4. 90 2600kgfcm46

5.

6. 2

1

3

4

2

1.

4.

2.

5. 6.

3.

08 09

T

100kN

140kN

50cm20cm

cm

20

G.L

50

b

L

P

a

P

mm

200

500

500

500

1,75

0

2,75

0

100kN

100kN

12.90m2H140%

HSM490A

a185N/mm2 a105N/mm2

L

P

b b

P P

LaRA

LN

Lb LcL

LM

Q0Q1

L=2,900

c=1,000250

e=150

d=1,650

P150500PP

Pd100kN

i 0.3780.4L2.90m

P10010.4140kN

2050+L

M0M1

H0.408kN/mL2.90m0.4P140kNa0.2m

MmaxM0+M1 L2+ L

0.408 2.902 2.90

39.629kNm

max

114N/mm2a185N/mm2

M0 L2

M1 L

MmaxM0+M1

18

18

a2

P4

P4

0.41404

39.629106347103

a2

0.22

MmaxZ

18

M1RALN LM

RA

127.931kN

MmaxM0+M1

0.4082.9020.4127.931 1.282

0.457

54.336kNm

max

157N/mm2185N/mm2

Pb

18

1400.5

MmaxZ

54.336106347103

0.4572

PLb+Lc+PLcL

1401.0+0.825+1400.8252.9

LM2

Q0 L

Q1+P

QmaxQ0+Q1L+Pc2d/L

0.408 2.90

84.012kN

max

80N/mm2a105N/mm2

twH6mmhwH176mm

max

Pd

E2.0105N/mm2

max

3.02mm

12

12

12

150500

150500

e2

Pc2dL

e/2L

0.41401.021.650.022.90

Qmaxtwhw

84.0121036176

L960

0.41001032,9003482.01053,370104

PdL348EI

10 11

20cm

50cm21.1m3m2.1m3m1

2

140kNH108N/mm2

1 1m2m420 4m 40m750.952.0mm

2.3mm2.0mm2

1

1

2

3

2

500mm

54321

50

70

80

60

40

30

20

10

0

N/m

m2

20kN

40kN

140kN

120kN

100kN

80kN

60kN

200mm

90

100

80

70

60

50

40

30

20

10

0

54321

N/m

m2

20kN

40kN

140kN

120kN

100kN

80kN

60kN

1

421210 1219

640 14 6

1.7kg/cm2

50

350kg/1 2

100%

2030405060 km/h

2.52.0mm

2

431024 112

700 13 6

1.6kg/cm2

65S 41 D

370kg/1 2

100%

204060 km/h

2.0 2.31.51.0mm

SI

12532360

7323126

20km/h

40km/h

60km/h

0.804

0.844

0.772

0.908

0.926

0.896

0.510

0.408

0.668

0.624

23

km/h00

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

20 40 60

12 13

0.6m1.7m

3mm4mm

JIS K562135m

JIS H8641HDZ55

C2

14 15

16 17

W1

L2

L1

S1

W2

30mm

mm

12mm

997

1997

2997

196

W1W2L1L2196

S1

1/8

3

3

3

3

3

3

3

4

30mm

MEMO