종류의
기호
Symbol |
인장시험
Tensile Test |
굽힘시험
Bend Test |
항복점
Yield point
or yield
Strength min. N/㎟
{kgf/㎟} |
인장강도
Tensile
Strength
N/㎟
{kgf/㎟}
|
연신율
Elongation |
굽힘
각도
Bendiong
Angle
|
안쪽반지름
Inside Radius
of Bending
|
시험편
Test
Plece
|
강재의 치수
Demension of steel
(㎟) |
인장
시험편
Test Piece |
Min.
% |
| Thickness. mm |
16 &
under |
Over16
to 40. incl. |
over 40 |
| SS 330 |
205
{21} |
195
{20} |
175
{18} |
330-430
{34-44} |
Steel bars, 25 & under in
diameter, side or width be-
tween the opposite sides. |
No. 2 |
25 |
180˚ |
0.5X
diameter, side or widh
betwwen
oppsite
sides. |
No. 2 |
|
| Steel bars, over
diameter, side of width be
tween the opposite sides. |
No. 3 |
30 |
| SS 400 |
245
{25} |
235
{24} |
215
{22} |
400-510
{41-52} |
Flat bars, Shapes, 5 &
under in thickness. |
No. 5 |
21 |
180˚ |
1.5X
thickness |
No. 1 |
|
Flat bars, Shapes, over 5 to
16, incl. in thickness. |
No. 1A |
17 |
|
Flat bars, Shapes, over 16 to
50, incl. in thickness. |
No. 1A |
21 |
|
Flat bars, Shapes, over 40
in thickness. |
No. 4 |
23 |
|
Steel bars, 25 & under in
diameter, side or width be-
tween the opposite sides. |
No. 2 |
20 |
180˚ |
1.5X
diameter, side or widh
betwwen
oppsite
sides. |
No. 2 |
|
| Steel bars, over 25 & dia-meter side or width between the opposite sides. |
No. 3 |
24 |
| SS 490 |
285
{29} |
275
{28} |
215
{22} |
490-610
{50-62} |
Flat bars, Shapes, 5 &
under in thickness. |
No. 5 |
19 |
180˚ |
2.0X
thickness |
No. 1 |
|
Flat bars, Shapes, over 5 to
16, incl. in thickness. |
No. 1A |
15 |
|
Flat bars, Shapes, over 16 to
50, incl. in thickness. |
No. 1A |
19 |
|
Flat bars, Shapes, over 40
in thickness. |
No. 4 |
21 |
|
Steel bars, 25 & under in
diameter, side or width be-
tween the opposite sides. |
No. 2 |
18 |
180˚ |
2.0X
diameter, side or widh
betwwen
oppsite
sides. |
No. 2 |
|
| Steel bars, over 25 & dia-meter side or width between the opposite sides. |
No. 3 |
21 |
| SS 540 |
400
{41} |
390
{40} |
- |
540min
{550}min |
Flat bars, Shapes, 5 &
under in thickness. |
No. 5 |
16 |
180˚ |
2.0X
thickness |
No. 1 |
|
Flat bars, Shapes, over 5 to
16, incl. in thickness. |
No. 1A |
13 |
|
Flat bars, Shapes, over 16 to
50, incl. in thickness. |
No. 1A |
17 |
|
Steel bars, 25 & under in
diameter, side or width be-
tween the opposite sides. |
No. 2 |
13 |
180˚ |
2.0X
diameter, side or widh
betwwen
oppsite
sides. |
No. 2 |
|
Steel bars, over 25 to 40,
incl.
in diameter side or
width between the opposite sides. |
No. 3 |
17 |
