Product Fact Sheet

6061-T4 AND -T6 TREAD SHEET
TECHNICAL DATA
C300 Pattern
In response to marketplace requirements for the ultimate in traction, Alcoa has introduced the C300 tread sheet product.
The .065 inch minimum button height is unmatched by any other tread product. Alloy 6061 provides strength,
durability, ease of welding, corrosion resistance, and economy for a unique package ideally suited for the most demanding
high strength flooring applications.
Button Height — Only the Alcoa C300 tread pattern offers a .065 inch minimum button height for maximum traction.
Durability — The C300 pattern was developed specifically for the most challenging flooring applications. ASTM wear
resistance testing has confirmed unmatched durability relative to other tread sheet products tested.
Skid Resistance — The unmatched button height exhibited by the C300 pattern was developed specifically to optimize
footing.
Corrosion Resistance — 6061 alloy provides traditionally excellent corrosion resistance in typical applications.
Weldability — 6061 offers unique compatibility in applications where ease of welding and weld strength are important.
C H E M I C A L
C O M P O S I T I O N
(Weight Percent) Maximum Unless Shown As A Range
Si
0.4-0.8
Fe
0.7
Cu
0.15-0.4
Mn
0.15
Mg
Cr
0.8-1.2 0.04-0.35
M E C H A N I C A L
Minimum 6061-T6
T4
Ultimate Strength KSI
42
30
P H Y S I C A L
Yield Strength KSI
35
16
Heat-Treated Mill Finish
Formability:
Fair
Weldability:
Good
Width Tolerance:
Plus 3/8 inch
Widths Available:
.100 -.125
62 inches
.126 -.188
Elongation % in 2 inches
6
14
82 inches
Min. Button Pattern
Height, Inches (Minimum)
.065
.065
.065
.065
Up to 144 inches
– plus 3/8 inch
Over 144 inches thru 240 inches
– plus 7/16 inch
Over 240 inches
– plus 1/2 inch
1/8
Aluminum
Remainder
C H A R A C T E R I S T I C S
Surface Finish:
Lateral Bow Tolerance:
Others
Each
Total
0.05
0.15
TI
0.15
P R O P E R T I E S
Thickness Tolerance Inches
Plus
Minus
.008
.012
.010
.015
.011
.019
.013
.023
Thickness
.100
.125
.156
.188
Length Tolerance:
Zn
0.25
inch in any 10 feet
Squareness Tolerance: Length
Max. Difference in Diagonal
Up to 144 inches
3/8
Over 144 thru 240 inches
7/16
Over 240 inches
1/2
inch
inch
inch
Camber of Pattern Line Tolerance:
Width
Length
To 48 inches
Over 48 inches
Up thru 24 inches
1/8
inch
1/8
inch
Over 24 inches thru 72 inches
1/2
inch
1/2
inch
Over 72 inches thru 144 inches
3/4
inch
1 inch
Over 144 inches
1 inch
11/2 inch
PRODUCT SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
ALCOA MILL PRODUCTS
P.O. BOX 8025 • BETTENDORF, IOWA 52722 • (800) 523-9596 • www.millproducts-alcoa.com
February 2005