Page 198 - Sổ Tay Chuyên Ngành Cơ Khí

Bảng 38-4. ông vuông

Kích thước Chiều dày Trọng Kích thưđc Chiều dày Trọng
ngoài thành ống iượng/foot ngoài thành ống iượng/foot
(in) (in) (Ibs) (in) (in) (Ibs)
.049 .301 .125 3.07
1/2 X 1/2
.065 .385 ,145 3.51
.049 .384 2 x 2 .180 4.46
5/8 X 5/8
.065 .500 .188 4.46*
.035 .340 .250 5.41*
.049 .467 .083 2.73
3/4 X 3/4
.065 .606 .120 3.88
.120 1.03 .125 3.88
7/8 X 7/8 .065 .716 .141 4.52
2Vè X 2'/2
.035 .459 .180 5.68
.049 .634 .188 5,68*
.065 .827 .250 7.10*
.072 .909 .313 8.44
1 X 1
.073 .920 .083 3.29
,083 1.04 .125 4.70
.109 1.32 .180 6.62
3 x 3
.120 1.44 .188 6.86
.049 .800 .250 8.80
1 '/4 X 1 '/4
.065 1.05 .313 10.00
.083 1.32 .125 5.52
.090 1.42 .188 8.14
3'Á X 3VỈ
1 '/4 X 1 '/4 .120 1.84 .250 10.50
.134 2.03 .313 12.12
.188 2.62 .125 6.33
.049 .967 .180 9.07
.065 1.27 .188 9.31
,083 1.60 4 x 4 .250 12.02
.120 2.25 .313 14.52
1 Vz X 1
.140 2.50 .375 16.84
.180 3.23 .500 20.88
.188 3.23 .188 10.58
4Vè X
.250 4.11 .250 13.72
.083 1,88 .180 11.40
1% X 1%
.120 2.66 .188 11.86
.065 1.71 .250 15.42
5 x 5
.083 2.16 .313 18.77
2 x 2
.095 2.46 .375 21.94
.120 3.07 .500 27.68
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