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Steel Straight Edge


CAST IRON SURFACE PLATE

Made out of EN-45 Steel up to 2000 mm. & above out of Alloy Steel, Massi Design Accuracy to IS-2220-1990 unhardened working surfaces. Provided with 2 Drill holes at Point of Best Supports.

Size In mm
L x W x T		 Provided Straightness
Accuracy In micron		 Straightness Accuracy as per IS in ü
Grade 00 Grade 0
300 x 50 x 8
4 4 7
500 x 50 x 8
5 4 7
600 x 50 x 8
5
750 x 50 x 8
7 6 9.5
1000 x 50 x 9
10 8 12
1200 x 50 x 9
10
1500 x 70 x 10
12 17
1800 x 70 x 10
12
2000 x 70 x 10
14 22
2500 x 90 x 18
16 27
3000 x 90 x 18
20 32
4000 x 130 x 20
25 42
5000 x 130 x 20
30
Cast Iron I- Section ST - Edge


CAST IRON SURFACE PLATE

Made Generally as per IS: 5268-1991. Made from good quality closed grained with high Density Alloyed Cast Iron Castings Conforming to Grade FG 220 of IS:210 Stress Relieved Hand Scraped Surfaces.
Size In mm
L x W x T		 Provided Accuracy
Flatness & Parallelism In micron		 Flatness & Parallelism Accuracy as per IS
Grade 0 Grade 1
300 x 50 x 75
3 2 3
500 x 50 x 75
4 3 5
750 x 50 x 80
4 3 6
1000 x 50 x 100
7 5 10
1500 x 50 x 150
8 6 12
2000 x 50 x 150
12 10 20
2500 x 50 x 190
14 17
3000 x 60 x 235
16 15 30
3500 x 60 x 250
20  
4000 x 75 x 350
25 20 40
5000 x 75 x 350
35 25 50
Light Weight ST- Edge


CAST IRON SURFACE PLATE

Main body is made out of extruded Aluminium section. Both top and Bottom working surfaces are reinforced with steel strip. Very useful for Erections, Alignments and other purposes where very high Accuracy is not required.

Size In mm
L x W x H		 Straightness Accuracy
In micron
1000 x 50 x 115
20
1500 x 50 x 115
25
2000 x 50 x 115
30
2500 x 50 x 115
40
3000 x 50 x 115
50
3500 x 50 x 115
60
4000 x 50 x 115
70
5000 x 60 x 215
80
6000 x 60 x 215
90
Cast Iron Camel Back ST - Edge


CAST IRON SURFACE PLATE

Made Generally as per IS: 5268-1991. Made from good qualify close grained with high bensify Alloyed Cast Iron Castings Conforming to Grade FG-220 of IS: 210. Stress Relieved Hand Scraped Surface.

Length
In mm		 Minimum
Width In mm		 Provided Accuracy
In micron		 Accuracy As Per IS
Grade 0 Grade 1
300 30 3 2 3
500 35 4 3 5
800 40 5 3 6
1000 45 7 5 10
1600 55 9 6 12
2000 65 12 10 20
3000 90 18 15 30
Tool Maker's ST - Edge


CAST IRON SURFACE PLATE

Made out of alloyed steel, working edge hardened to 60 Rc provided with insulated handle, up to 200 mm full hard & above working surface hardened & lapped.
Size
In mm		 Straightness Accuracy
In micron
100 x 50 x 8
1
150 x 50 x 8
1
200 x 50 x 8
2
300 x 50 x 8
2
500 x 50 x 8
3
1000 x 50 x 8
4
1200 x 50 x 8
5
Cast Iron Triangular ST - Edge


CAST IRON SURFACE PLATE

Made Generally as per IS: 8823-1978. Made from good quality close grained , with high Density Alloyed Cast Iron Castings Conforming to Grade FG-220 of IS: 210. Stress Relieved Hand Scraped Surfaces. Provided with lifting handles on both ends.
Length
In mm		 Approx.
Width In mm		 Flatness Accuracy
In micron
250 45 3
500 60 4
600 60 5
750 80 6
1000 100 6
1250 110 13
1500 130 13
2000 160 16
   
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