Technical-Specification for Aluminium Alloy Struts with accessories- One Set
A. The one set of Aluminium alloy struts with accessories will consist of following 11 items.
Sr. No.
Item name
Quantity
1.
Aluminum Sections 90 mm X 90 mm profile ( in length 5 to 6 meter)
60 m
2.
Aluminum Sections 45 mm X 45 mm profile ( in length 5 to 6 meter)
30 m
3.
Angle Bracket for 90X90 mm section
100 Nos.
4.
Angle Bracket for 45X90 mm section
100 Nos.
5.
Angle Bracket for 45X45 mm section
100 Nos.
6.
End screws (M12X30) suitable for 90X90 mm & 45X 45 mm section
100 Nos.
7.
T-Nut M6 suitable for 90X90 mm & 45X 45 mm section Groove
50 Nos.
8.
T-Nut M8 suitable for 90X90 mm 45X 45 mm section Groove
250 Nos.
9.
Button head screw M8X20 suitable for 90X90 mm 45X 45 mm section
200 Nos.
10.
End cap: suitable for 90 mm X 90 mm section
20 Nos.
11.
End cap: suitable for 45 mm X 45 mm section
20 Nos.
B. Technical Specifications for aluminium Sections
Sr. No.
Parameter
Description
1.
Dimensions
As shown in the figure 1.1 & 1.2.
2.
Extrusion standard
DIN 17615 or equivalent (Precision profiles of AlMgSi alloys)
3.
Material
Aluminium alloy 6000 series
Tensile strength ≥ 245 MPa
Yield strength ≥ 195 MPa
Hardness ≥ 75 HB
4.
Surface Treatment
Anodized 12 µm, 250-300 HV
5.
Straightness
Better than 0.5 mm per meter length
6.
Parallelism of two faces
±0.2 mm or better
7.
Surface Finish
Ra ≤ 0.3 in extrusion direction
Ra ≤ 0.5 in transverse direction
8.
Size Tolerances
± 0.5 mm
9.
Moment of inertia (cm4)
≥ 200 for 90 mm X 90 mm section
≥ 10 for 45 mm X 45 mm section
10.
Section Modulus (cm3)
≥ 45 for 90 mm X 90 mm section
≥ 4.5 for 45 mm X 45 mm section
11.
Weight/meter (kg/m)
≥ 6.0 for 90 mm X 90 mm section
≥ 1.5 for 45 mm X 45 mm section
C. Material For Accessories
a. S
No.
b. Accessories description
Material
c. 1
d. Angle bracket suitable for 90X90 mm & 45X 45 mm section Groove
Die cast aluminium
e. 2
f. End screws M12X30 suitable for 90X90 mm & 45X 45 mm section
g. Steel
h. 3
i. T-Nut M6 & M8 suitable for 90X90 mm & 45X 45 mm section Groove
j. Stainless Steel
k. 4
l. Button head screw M8X20 suitable for 90X90 mm & 45X 45 mm
section Groove
m. Steel
n. 5
o. End cap suitable for 90X90 mm & 45X 45 mm section Groove
p. Polyamide
