԰ǥ - ԰ݺǥ, ֿ ԰ǥ

ǥذ

ȭм(%)

C

Si

Mn

Ÿ

KS D 3507

SPP

źҰ

-

-

-

0.040

0.040

-

KS D 3537

SPPW

ƿźҰ

-

-

-

0.040

0.040

-

KS D 3631

SPPG

ᰡźҰ

0.30

0.035

0.95

0.040

0.035

-

KS D 3562

(JIS G 3454)

SPPS 38

з¹

źҰ

0.25

0.35

0.30-0.90

0.040

0.040

-

SPPS 42

0.30

0.35

0.30-1.00

0.040

0.040

-

KS D 3563

(JIS G 3461)

STBH 340

Ϸ ȯ

źҰ

0.18

0.35

0.30-0.60

0.035

0.035

-

STBH 410

0.32

0.35

0.30-0.80

0.035

0.035

-

STBH 510

0.25

0.35

100-1.50

0.035

0.035

-

KS D 3569

SPLT 39

¹

źҰ

0.25

0.35

1.35

0.035

0.035

-

SPLT 46

0.18

0.10-0.35

0.30-0.60

0.030

0.030

-

KS D3570

SPHT 38

¹ źҰ

0.25

0.10-0.35

0.30-0.90

0.035

0.035

Ni

3.20-3.80

SPHT 42

0.30

0.10-0.35

0.30-1.00

0.035

0.035

-

SPHT 49

0.33

0.10-0.35

0.30-1.00

0.035

0.035

-

KS D 3566

(JIS G 3444)

SPS 290

Ϲݱ

źҰ

-

-

-

0.050

0.050

-

SPS 400

0.25

-

-

0.040

0.040

-

SPS 500

0.24

0.35

0.30-1.00

0.040

0.040

-

SPS 490

0.18

0.55

1.50

0.040

0.040

-

SPS 540

0.23

0.55

1.50

0.040

0.040

-

KS D 3568

(JIS G 3466)

SPSR 400

Ϲݱ

0.25

-

-

0.040

0.040

-

SPSR 490

0.18

0.55

1.50

0.040

0.040

-



ǥر԰

н

Ÿ

ּ

ּ

׺

ŷּ(%)

Elongation
(min %)

H:ǻǰŸ
D:ǹٱ
 T:ǵβ


×
ݰ

P=з
(/)
S=ɷ
(/)


Specimen

11,12ȣ

SPP

30

-

30

25

H=2/3D

ȣĪ50A
90× 6D

P=25/

ϼ
5ȸ̻

SPPW

30

-

30

25

H=2/3D

ȣĪ50A
90× 8D

P=25/

ƿ
5ȸ̻

SPPG

34

21

30

25

H=2/3D

ȣĪ40A

P=25/

ó
н
Ž
˻

SPPS 38

38

22

30

25

: H=2/3D

: H=2/3D

ȣĪ50A
90× 6D

=/

SCH.NO. 10 20 30 40 60 80

з 20 35 50 60 90 120

-

SPPS 42

42

25

25

20

STBH 340

35

18

35

-

H=(1+e)t/e+t/D

e=0.09

-

P=200st/D
S=60%×Yp
Yp=Yield Point(׺)

Ȯ

ó
(Normalizing)

STBH 410

42

26

25

-

e=0.08

STBH 510

52

30

25

-

e=0.07

SPLT 39

39

21

35

25

H=(1+e)t/e+t/D

e=0.08

50:
90×6D

P=200st/D
S=60%×Yp

-

SPLT 46

46

25

30

20

SPHT 38

38

22

30

25

H=(1+e)t/e+t/D

e=0.08

50:
90×6D

SCH.NO
P=200st/D
S=60%×Yp

-

SPHT 42

42

25

25

20

e=0.07

SPHT 49

49

28

25

20

e=0.07

SPS 290

30

-

30

25

H=2/3D

50:
90×6D

-

-

SPS 400

41

34

23

18

H=2/3D

90×6D

SPS 500

51

36

15

10

H=7/8D

90×8D

SPS 490

50

32

23

18

H=7/8D

90×6D

SPS 540

55

40

20

16

H=7/8D

90×6D

SPSR 400

41

25

-

23

-

-

-

-

SPSR 490

34

33

-

23