For the convenience of
our dealers, Nucor Steel Marion also offers square tube posts
that meet the following specifications. Qwik-Punch® punch
die-cut square tube signposts are also available.
Material
- Hot-rolled carbon sheet steel, structural
quality ASTM designation A570, Grade 50.
- 12 gauge (.105" U.S.S. Gauge), or
- 14 gauge (.083" U.S.S.
Gauge).
Shape
- Cross section is a square tube rolled to size and welded
in the corner.
Length
- As specified on your purchase order with
a length tolerance of + or - ¼".
Fabrication
- Posts shall be straight and have a smooth uniform
finish.
- Consecutive sizes will telescope freely with a minimum
amount of play.
Galvanizing
- Posts are galvanized to ASTM specification A-653 des.
G-90.
- Corner weld is zinc coated after scarfing operation.
- Punch die-cut
posts are in-line galvanized per AASHTO M-120.
- All galvanized
posts receive a conversion coating and a clear polymer topcoat.
Elements
of Section |
P/N |
Tube Size Inches
|
Wall Thickness
U.S. Std. Gauge & Inch
|
Area Sq.
In.
|
Wt/Ft. Lbs.
|
I
In.4 |
s
In.3 |
r
In. |
16D12 |
1-3/4 x 1-3/4 |
14(.083) |
.392 |
1.71 |
.230 |
.201 |
.716 |
20D12 |
2 x 2 |
14(.083) |
.474 |
1.99 |
.296 |
.296 |
.790 |
14F12 |
1-1/2 x 1-1/2 |
12(.105) |
.380 |
1.70 |
.129 |
.172 |
.582 |
16F12 |
1-3/4 x 1-3/4 |
12(.105) |
.485 |
2.06 |
.231 |
.264 |
.690 |
20F12 |
2 x 2 |
12(.105) |
.590 |
2.42 |
.372 |
.372 |
.794 |
22F12 |
2-1/4 x 2-1/4 |
12(.105) |
.695 |
2.77 |
.561 |
.499 |
.898 |
24F12 |
2-1/2 x 2-1/2 |
12(.105) |
.803 |
3.14 |
.804 |
.643 |
1.001 |
21H12 |
2-3/16 x 2-3/16 |
10(.135) |
.841 |
3.43 |
.605 |
.590 |
.848 |
24H12 |
2-1/2 x 2-1/2 |
10(.135) |
1.010 |
4.01 |
.979 |
.783 |
.985 |
16D12QP |
1-3/4 x 1-3/4 |
14(.083) |
.392 |
1.88 |
.201 |
.230 |
.716 |
20D12QP |
2 x 2 QP |
14(.083) |
.474 |
2.16 |
.296 |
.296 |
.7906 |
|
|
|
|
|
|
|
|
I
= Moment of Inertia |
s - Section Modulus |
r - Radius of Gyration |
Qwik-Punch® is a registered trademark of Unistrut®. |
