|
| [H-BEAM 치수 허용오차] |
| H-BEAM Wide Flange Beams |
(KS D 3502 Unit : mm) |
구 분
Classification |
허용차
Tolerance |
비 고
Remarks |
플랜지폭
Flange width |
Flange, 110 & under
Over 110 to 210, incl.
Over 210 to 325, incl.
Over 325 |
+4.0, -1.0
+4.0, -2.0
±4.0
+6.0, -5.0 |
|
높이
Depth
(H) |
Depth, 180 & under
Over 180 to 400, incl.
Over 400 to 700, incl.
Over 700 |
+3.0, -2.0
+4.0, -2.0
+5.0, -3.0
±5.0
|
두 께
Thickness |
t1 |
under 7
7 to 10, excl.
10 to 20, excl.
20 to 40, excl. |
±0.7
±1.0
±1.5
±2.0
|
|
| t2 |
under 6.5
6.5 to 10, excl.
10 to 20, excl.
20 to 30, excl.
30 to 40, excl. |
+1.5, -0.5
+2.0, -1.0
+2.5, -1.5
+2.5, -2.5
±2.5 |
직각도
Out-of-square (T) |
Flange, 110 & under
Over 110
|
T + T' = 1.5 mm
T + T' = 2% x (B)
(최대6.5mm) |
|
편 심
Web off Center(S) |
Flange, 110 & under
to 325, incl.
Over 325 |
2.5
3.5
5.0 |
|
굴 곡
Camber and Sweep |
Depth, 180 & under
Over 180 to 360, incl.
over 360 |
길이 x 0.30% 이하
길이 x 0.15% 이하
길이 x 0.10% 이하 |
|
절단면 직각도
Ends Out-of-square |
(B,H) x 1.6% 이하
(최소치 3.0mm) |
|
| 길 이 Lenght |
+100, -0 |
|
웨브의 힘
Web flatness(W) |
Nominal Depth, under 400
400 to 600, excl.
600 & over |
2.0
2.5
3.0 |
|
곡률 반지름
Radius (r) |
Radius, 10 & under
Over 10 to 20, Incl.
Over 20 |
±1.0
±2.0
±3.0 |
|
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