Dutch Gun Weights

I am interested in comparing armament weights for different 120ft Dutch warships. The first step is to find what the representative gun weights were. In some cases, I may actually have the weights for interesting ships. This is a short list that I just compiled:

Gun Weights

12pdr guns

3850 lbs  iron
3220 lbs  iron
3200 lbs  iron
3160 lbs  iron
3120 lbs  iron
3015 lbs  iron
3005 lbs  iron
2980 lbs  iron
2940 lbs  iron
2930 lbs  iron
2920 lbs  iron
2909 lbs  iron

8pdr guns

2500 lbs  iron
2320 lbs  iron
2310 lbs  iron

6pdr guns

2560 lbs  iron
2520 lbs  iron
2400 lbs  iron
2300 lbs  iron
2260 lbs  iron
2240 lbs  iron
2220 lbs  iron
2210 lbs  iron
2200 lbs  iron
2190 lbs  iron
2140 lbs  iron
2100 lbs  iron
2000 lbs  iron
1930 lbs  iron
1900 lbs  iron
1820 lbs  iron
1590 lbs  iron
1550 lbs  iron
1525 lbs  iron
1515 lbs  iron
1490 lbs  iron
1485 lbs  iron

5pdr guns

1500 lbs  iron
1420 lbs  iron
1410 lbs  iron
1395 lbs  iron
1385 lbs  iron
1365 lbs  iron

4pdr guns

1295 lbs  iron
  840 lbs  bronze

3pdr guns

  965 lbs  iron
  950 lbs  iron
  895 lbs  iron
  730 lbs  iron
  720 lbs  iron