GB/T1591 Q345B H/I Beam/ channel steel is steel with less than 0.2 percent of its composition made up of carbon, less than 0.55 percent of its composition made of silicon and several impurities (mostly sulfur, chromium and nickel). GB/T1591 Q345B H/I Beam/ channel steel is a Chinese standardized low alloy, medium tensile strength steel made with a hot-rolling process, and GB/T1591 Q345B H/I Beam/ channel steel is used for a number of manufacturing purposes
The Chemical Composition（%）and Mechanical Properties of GB/T1591 Q345B H/I Beam/ channel steel:
GB/T1591 Q345B H/I Beam/ channel steel Chemical Composition（%） |
GB/T1591 Q345B H/I Beam/ channel steel Mechanical Properties |
|||||||||
|
NO |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
Tensile Strength（MPa) |
Yield Strength（MPa) |
|
1 |
0.17 |
0.26 |
1.27 |
0.023 |
0.004 |
0.029 |
0.011 |
0.005 |
490 |
345 |
GB/T1591 Q345B H/I Beam/ channel steel size katalor supplied
H BEAM THEORY WEIGHT SCALE |
|||
|
SIZE (MM) |
(kg/m) |
SIZE (MM) |
(kg/m) |
|
H*B*t1*t2 |
|
H*B*t1*t2 |
|
|
100*50*5*7 |
9.54 |
344*348*10*16 |
115 |
|
100*100*6*8 |
17.2 |
350*350*12*19 |
137 |
|
125*60*6*8 |
13.3 |
388*402*15*15 |
141 |
|
125*125*6.5*9 |
23.8 |
390*300*10*16 |
107 |
|
148*100*6*9 |
21.4 |
394*398*11*18 |
147 |
|
150*75*5*7 |
14.3 |
400*150*8*13 |
55.8 |
|
150*150*7*10 |
31.9 |
396*199*7*11 |
56.7 |
|
175*90*5*8 |
18.2 |
400*200*8*13 |
66 |
|
175*175*7.5*11 |
40.3 |
400*400*13*21 |
172 |
|
194*150*6*9 |
31.2 |
400*408*21*21 |
197 |
|
198*99*4.5*7 |
18.5 |
414*405*18*28 |
233 |
|
200*100*5.5*8 |
21.7 |
428*407*20*35 |
284 |
|
200*200*8*12 |
50.5 |
458*417*30*50 |
415 |
|
200*204*12*12 |
72.28 |
440*300*11*18 |
124 |
|
244*175*7*11 |
44.1 |
446*199*8*12 |
66.7 |
|
244*252*11*11 |
64.4 |
450*200*9-14 |
76.5 |
|
248*124*5*8 |
25.8 |
482*300*11*15 |
115 |
|
250*125*6*9 |
29.7 |
488*300*11*18 |
129 |
|
250*250*9*14 |
72.4 |
496*199*9*14 |
79.5 |
|
250*255*14*14 |
82.2 |
498*432*45*70 |
605 |
|
294*200*8*12 |
57.3 |
500*200*10*16 |
89.6 |
|
294*302*12*12 |
85 |
582*300*12*17 |
137 |
|
298*149*5.5*8 |
32.6 |
588*300*12*20 |
151 |
|
300*150*6.5*9 |
37.3 |
596*199*10*15 |
95.1 |
|
300*300*10*15 |
94.5 |
600*200*11*17 |
106 |
|
300*305*15*15 |
106 |
700*300*13*24 |
185 |
|
338*351*13*13 |
106 |
792*300*14*22 |
191 |
|
340*250*9*14 |
79.7 |
800*300*14*26 |
210 |
|
344*354*16*16 |
131 |
890*299*15*23 |
213 |
|
346*174*6*9 |
41.8 |
900*300*16*28 |
243 |
|
350*175*7*11 |
50 |
912*302*18*34 |
286 |
GB/T1591 Q345B H/I Beam/ channel steel size katalor supplied
I BEAM THEORY WEIGHT SCALE |
||
|
STYLE NO |
hxbxd (mm) |
(kg/m) |
|
10 |
100×68×4.5 |
11.261 |
|
12 |
120×74×5.0 |
13.987 |
|
12.6 |
126×74×5 |
14.223 |
|
14 |
140×80×5.5 |
16.89 |
|
16 |
160×88×6 |
20.513 |
|
18 |
180×94×6.5 |
24.143 |
|
20a |
200×100×7 |
27.929 |
|
20b |
200×102×9 |
31.069 |
|
22a |
220×110×7.5 |
33.07 |
|
22b |
220×112×9.5 |
36.524 |
|
24a |
240×116×8 |
37.477 |
|
24b |
240×118×10 |
41.245 |
|
25a |
250×116×8 |
38.105 |
|
25b |
250×118×10 |
42.03 |
|
27a |
270×122×8.5 |
42.825 |
|
27b |
270×124×10.5 |
47.064 |
|
28a |
280×122×8.5 |
43.492 |
|
28b |
280×124×10.5 |
47.888 |
|
30a |
300×126×9 |
48.084 |
|
30b |
300×128×11 |
52.794 |
|
30c |
300×130×13 |
57.504 |
|
32a |
320×130×9.5 |
52.717 |
|
32b |
320×132×11.5 |
57.741 |
|
32c |
320×134×13.5 |
62.765 |
|
36a |
360×136×10 |
60.037 |
|
36b |
360×138×12 |
65.689 |
|
36c |
360×140×14 |
71.341 |
|
40a |
400×142×10.5 |
67.598 |
|
40b |
400×144×12.5 |
73.878 |
|
40c |
400×146×14.5 |
80.158 |
|
45a |
450×150×11.5 |
80.42 |
|
45b |
450×152×13.5 |
87.485 |
|
45c |
450×154×15.5 |
94.55 |
|
50a |
500×158×12 |
93.654 |
|
50b |
500×160×14 |
101.504 |
|
50c |
500×162×16 |
109.354 |
|
55a |
550×166×12.5 |
105.335 |
|
55b |
550×168×14.5 |
113.97 |
|
55c |
550×170×16.5 |
122.605 |
|
56a |
560×166×12.5 |
106.316 |
|
56b |
560×168×14.5 |
115.108 |
|
56c |
560×170×16.5 |
123.9 |
|
63a |
630×176×13 |
121.407 |
|
63b |
630×178×15 |
131.298 |
|
63c |
630×180×17 |
141.189 |
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