Cast Iron Straight Edges

                                                   CAST IRON STRAIGHT EDGE                                                                                  I Section (Parallel Type) AS per BS:5204-1975

• Straight  Edges are  made Jrom close grained  Cast  iron conforming to Grade-20.
• Hardness 170-220 BHN.
• Castings internal Stresses are relieved either by natural ageing or by artificial seasoning.
• Straight Edges are finished by hand scrapping.
• Straight Edges have been designed well and ribbed in the best manner to retain thier accuracy under varying conditions and are as light as possible without sacrificing rigidity.
• Wooden Cover is provided with each Straight Edge to protect the working surface from rust and dust.
• Straight Edges are offered in two grades Grade-I  and Grade-II
• All finished surfaces of Straight Edges are protected against climatic conditions by a suitable protective coating 

 

I Section (Parallel Type)
As per BS:5204-1975
Size mm	Width mm	Flange Thickness	Accuracy mm
300	25	8	0.0003
500	30	10	0.004
1000	35	12	0.010
1500	40	12	0.015
2000	50	14	0.020
2500	55	15	0.025
3000	55	16	0.030
4000	60	18	0.040
5000	65	20	0.050
6000	70	22	0.060