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Cast Iron Angle Plates
 
Cast Iron Surface Plates
 
SPECIFICATIONS
Nominal Sizes Maximum deviation from flatness over the entire area expressed in'Microns' (0.001 mm) as per IS:2285 1963 Following size are also offered by Micron Accuracy
in mm Grade-I Grade II
300 x 300 5.0
450 x 40 7.5
In mm Grade -1 Grade - II 450 x 450 7.5
400 x 400 7.5 600 x 450 7.5 30
630 x 400 7.5 30 900 x 600 10.0 40
1000 x 630 10.0 40 1200 x 900 125 50
1000 x 1000 12.5 50 1500 x 900 12.5 50
1600 x 1000 17.5 70 1800 x 1200 22.5 90
2000 x 1000 20.0 80 2400 x 1200 22.5 90
300o x 1000 25.0 1000 3000 x 12000 2 10
 
Cast Iron Angle Plates
 
SPECIFICATIONS
Size No. Nominal Dimensions in mm Grad Flatness of Working faces Squareness of exterior faces over dimension
H
Parallelism of opposite faces & edges over their total length Squareness of end faces with respect to exterior faces as measured over dimensin L
L B H Deviation expressed in 'Microns'(0.001 mm.)
1 1000 x 8000 x 1200 I 30 60 65 65
II 150 300 325 325
2 900 x 600 x 700 I 20 36 40 40
  II .100 2000 225 225
3 750 x 450 x 600 I 10 20 23 23
II 50 100 115 115
4 450 x 300 x 350 I 10 18 20 20
II 50 100 115 115
5 250 x 150 x 175 1 8 15 18 18
6 175 x 100 x 125 I 5 13 15 15
 
Cast Iron Box Angle Plates
 
SPECIFICATIONS
Size No Nominal Dimensions
in mm
Grad
G
rade
Fatness onWorkingfaces Squareness of adjacent faces over H Parallelism of Opposite working faces
L B H Deviation expressed in Microns (0.001 mm)
1. 750 x 450 x 600 I 10 18 20
II 50 100 113
2 450 x 300 x 350 I 10 20 23
II 50 100 113
3 350 x 200 x 250 I 8 18 20
II 38 75 88
4 250 x 150 x 175 I 8 15 18
II 38 75 88
 
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