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Channel is a kind of strip steel with a flute section. There is an instance for its size description now: 120*53*5, means the height of its waist is 120mm, the width of legs is 53mm and the thickness of waist is 5mm, or we can call it 12# channel. When there are kinds of channel with the same height of waist but different width of legs and thickness of waist, they must be differentiated by a b c, which is added to the right of the type No. such as 25a# 25b# 25c# and so on.Standard: GB/T 700-1988 Material: Q195-235/Q235B Size: 63-300MM
specification
Chinese standard | Theoretical weight | 6M | Light I | Theoretical weightweight | 6M | Light II | Theoretical weight | 6M |
H*W*T | kg/m | pcs/ton | H*W*T | kg/m | pcs/ton | H*W*T | kg/m | pcs/ton |
50*37*4.5 | 5.438 | 30.6 | 50*36*4.2 | 4.89 | 34 | 50*34*3.7 | 4.08 | 40.8 |
63*40*4.8 | 6.634 | 25.1 | 63*39*4.5 | 5.97 | 27.9 | 63*36*4.2 | 4.98 | 33.4 |
80*43*5 | 8.045 | 20.7 | 80*42*4.7 | 7.24 | 23 | 80*39*4.4 | 6.03 | 27.6 |
100*48*5.3 | 10.007 | 16.6 | 100*47*5 | 9.01 | 18.4 | 100*45*4.7 | 7.51 | 22.1 |
120*53*5.5 | 12.059 | 13.8 | 120*52*5.2 | 10.85 | 15.3 | 120*50*4.9 | 9.04 | 18.4 |
140*58*6 | 14.535 | 11.4 | 140*57*5.7 | 13.08 | 12.7 | 140*55*5.4 | 10.9 | 15.2 |
160*63*6.5 | 17.24 | 9.6 | 160*62*6.2 | 15.52 | 10.7 | 160*60*5.9 | 12.93 | 12.8 |
180*68*7 | 20.174 | 8.2 | 180*66*6.7 | 18.16 | 9.1 | 180*64*6.4 | 15.13 | 11 |
200*73*7 | 22.637 | 7.3 | 200*71*6.7 | 20.37 | 8.1 | 200*69*6.4 | 16.98 | 9.8 |
220*77*7 | 24.999 | 6.6 | 220*75*6.7 | 22.5 | 7.4 | 220*73*6.4 | 18.75 | 8.8 |
250*78*7 | 27.41 | 6 | 250*76*6.7 | 24.67 | 6.7 | 250*74*6.4 | 20.56 | 8.1 |
280*82*7.5 | 31.427 | 5.3 | 280*80*7.2 | 28.28 | 5.8 | 280*78*7 | 23.57 | 7 |
300*85*7.5 | 34.463 | 4.8 | 300*83*7.2 | 31.02 | 5.3 | 300*80*7 | 25.85 | 6.4 |
320*88*8.0 | 38.083 | 4.3 | 320*86*7.7 | 34.27 | 4.8 |
Length≤8M, length tolerance: 0 - +40mm;
Length>8M, length tolerance: 0 - +80mm.
Specifications | Waist height tolerance | Leg width tolerance | Waist thickness tolerance | Length |
mm | mm | mm | mm | m |
50/63/80 | ±1.5 | ±1.5 | ±0.4 | 6M |
100/120/ 140 | ±2.0 | ±2.0 | ±0.5 | 6M |
160/180 | ±2.5 | ±0.6 | ||
200/220/250/ 280/300 | ±3.0 | ±3.0 | ±0.7 | 6M/9M/12M |
320 | ±3.5 | ±0.8 |
channel steel