Medium Carbon Grade High Tensile Steel Strapping

This grade of strapping is cold rolled medium carbon & high manganese steel strappings which are heat treated with a special process to achieve a combination of fine surface & controlled physical properties with high strength & excellent shock resistance.

a) Mechanical Properties:

Tensile Strength :	90 KGS/mm2 to 120 Kgs/mm2
Elongation (min) :	6.5% on 150mm gauge length
Bends :	2
Camber :	12.7mm max on 2.40 mtrs length
Curl :	25.4mm max on 2.40 mtrs length
Twist :	30 deg max on 2.40 mtrs length

b) Chemical Properties:

Carbon :	0.45% max
Manganese :	1.60% max
Sulphur :	0.05% max
Phosphorus :	0.04% max
Silicon :	0.35% max

c) Sizes:

Width (mm)	Thickness (mm)
16.0	0.58
19.0	0.58 / 0.79
31.75	64 / 0.79 / 0.89 / 1.12

Special sizes can be manufactured on request. Minimum quantity 20 MT

d) Tolerances:

Width :	+ / - 0.127mm
Thickness :	+0.05mm to -0.025mm

e) Surface Treatment:

Paint :	Painted in Standard Brown / Black Colour / Zinc Coated
Paint Thickness :	1.3 microns minimum
Lubricant :	Wax Coated

The strapping is painted and wax lubricated for ideal corrosion resistance and to improve tension transmission around all corners of the package.

f) Coil Specification:
Ribbon wound for sizes 31.75mm & 19.05mm width
Mill wound for 19.05mm, 15.88mm, 12.70mm width

Coil Weight 45 to 55 Kgs
I.D :	400 / 406 mm
O.D. :	550 to 670 mm
Jumbo Coils :	225 Kgs in wt.
Super Jumbo Coils :	450 Kgs in wt.

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Low Carbon Grade High Tensile Steel Strapping

A cold rolled low carbon, Steel Strapping that is treated with special process that combines the fine surface and controlled physical properties.

a) Mechanical Properties:

Tensile Strength :	70 - 85 Kgs/mm2
Elongation :	0 - 3 % over 150mm gauge length

b) Chemical Composition:

Carbon :	0.05 - 0.15%
Manganese :	0.30 - 0.60%
Phosphorus :	0.05% Max
Sulphur :	0.05% Max
Silicon :	0.30% Max

c) Sizes of Strapping:

Width (mm)	Thickness (mm)
12.70	0.38 / 0.46 / 0.50 / 0.58
15.88	0.38 / 0.46 / 0.50 / 0.58
19.05	0.38 / 0.46 / 0.50 / 0.58 / 0.61 / 0.79
31.75	0.64 / 0.79 / 0.89 / 1.27

Special size can be manufactured on request.

d) Tolerences:

Width :	+0.127mm and -0.127mm
Thickness :	+0.05mm and -0.025mm

e) Surface Treatment:

Paint :	Painted in standard Brown / Black / Zinc Colour
Lubricant :	Wax coated

The strapping is painted and wax lubricated for ideal corrosion resistance and to improve tension transmission around all corners of the package.

f) Coil Specifications:
Ribbon wound for sizes 31.75 and 19.05mm Width
Mill wound for 19.05, 15.88, 12.70mm Width
Coil Weigth 25 to 55 Kgs

Inside diameter :	400/406 mm
Outside diameter :	550 to 670mm

g) Straightness:
Free from curl, camber and twist

h) Edges:
Smooth deburred and rounded edges