Pre-Engineered Metal Building Components

Secondary Structural Steel Members – C Purlins and Girts
full catalog here

available sizes

Dimension A

Dimension B

Dimension C

AVAILABLE GAUGES

FINISH

WEIGHT PER LF

4"
2-1/2"
2-1/2"
16G & 14G
Galvanized
16G=2.04 lbs
14G=2.55 lbs
6"
2-1/2"
2-1/2"
16G, 14G & 12G
Galvanized
16G=2.45 lbs
14G=3.06 lbs
12G=4.29 lbs
8"
2-1/2"
2-1/2"
16G, 14G & 12G
Galvanized
16G=2.88 lbs
14G=3.60 lbs
12G=5.05 lbs
10"
3"
3"
16G, 14G & 12G
Galvanized
16G=3.50 lbs
14G=4.37 lbs
12G=6.12 lbs
12"
3"
3"
14G & 12G
Galvanized
14G=4.88 lbs
12G=6.83 lbs
14"
3"
3"
14G & 12G
Galvanized
14G=5.39 lbs
12G=7.55 lbs

TOLERANCE STANDARDS for
thickest metals

Accumulation
Radii
Width
Flanges
Flare
Flange
Lips
Camber
Ski
Dive
Twist
(Zee Only)
..............................
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..............................
..............................
..............................
..............................
..............................
..............................
..............................
..............................
..............................
1/16"
1/32"
1/16"
1/16"
2x thk per side angle
2 Degrees
3 Degrees
1/8" in 10'
1/8" in 10'
1/8" in 10'
1/8" in 10'
1/4" in 20'
NET VARIATION FOR COMBNED DIMENSION.
tWIST IS MEASURED WITH THE ZEE LAYING ON A FLAT SURFACE UNDER ITS OWN WEIGHT.
C Purlin the purlin mill

SECTIONAL PROPERTIES

NAME

DEPTH

WIDTH

THK

LIP

RAD

AREA

WT.

LXX

SXX

RXX

LYY

SYY

RYY

J

CW

RO

XO

IN
IN
IN
IN
IN
IN2
IBS/FT
IN4
IN3
IN
IN4
IN3
IN
IN4
IN6
IN
IN
4C16
4
2.5
.06
.81
.1875
.6
2.04
1.59
.795
1.628
0.543
0.353
0.957
0.00070
2.4
2.94
-2.25
4c14
4
2.5
.075
.84
.1875
.75
2.55
1.964
.982
1.618
0.685
0.447
0.955
0.00141
3.09
2.94
-2.26
6C16
6
2.5
0.06
0.81
0.1875
0.72
2.45
4.055
1.352
2.373
0.636
0.375
0.94
0.00086
5.28
3.23
-1.98
6C14
6
2.5
0.075
0.84
0.1875
0.9
3.06
5.031
1.677
2.364
0.793
0.471
0.939
0.00169
6.65
3.23
-1.98
6C12
6
2.5
0.105
0.92
0.1875
1.26
4.29
6.936
2.312
2.346
1.104
0.663
0.936
0.00463
4.49
3.22
-2
8C16
8
2.5
0.06
0.87
0.1875
0.847
2.88
8.035
2.009
3.079
0.721
0.403
0.922
0.00102
10.12
3.69
-1.8
8C14
8
2.5
0.075
0.91
0.1875
1.059
3.60
9.99
2.498
3.071
0.9
0.505
0.921
0.00199
12.72
3.68
-1.81
8C12
8
2.5
0.105
0.98
0.1875
1.483
5.05
13.833
3.458
3.054
1.253
0.711
0.919
0.00545
17.99
3.67
-1.82
10C16
10
3
0.06
0.87
0.1875
1.028
3.50
15.158
3.032
3.841
1.193
0.54
1.078
0.00123
24.86
4.48
-2.04
10C14
10
3
0.075
0.91
0.1875
1.284
4.37
18.874
3.775
3.833
1.49
0.678
1.077
0.00241
31.22
4.48
-2.04
10C12
10
3
0.105
0.98
0.1875
1.798
6.12
26.213
5.243
3.818
2.083
0.955
1.076
0.00661
44.1
4.47
-2.06
12C14
12
3
0.075
0.91
0.1875
1.434
4.88
29.15
4.858
4.508
1.569
0.688
1.046
0.00269
46.6
5
-1.88
12C12
12
3
0.105
0.98
0.1875
2.008
6.83
40.554
6.759
4.494
2.193
0.971
1.045
0.00738
65.68
4.99
-1.9
14C14
14
3
.075
.91
.1875
1.584
5.39
41.042
5.673
14C12
14
3
.105
.98
.1875
2.218
7.55
58.913
8.416

Thickness indicated represents design thickness. Minimum deliverable bare steel thickness equals 0.095 x design thickness in accordance with section A3.4 of AISI Specifications of minimum steel thickness in inches.