specification/mm

theoretical weight(kg/m)

GB

JIS

100*100*6*8

17.20

16.90

125*125*6.5*9

23.80

23.60

148*100*6*9

21.40

21.10

150*75*5*7

14.30

14.00

150*150*7*10

31.90

31.10

198*99*4.5*7

18.50

17.80

200*100*5.5*8

21.70

20.90

248*124*5*8

25.80

25.10

250*125*6*9

29.70

29.00