z-purlins-dimensions - The Purlin Mill

PRE-ENGINEERED METAL BUILDING
COMPONENTS

Secondary Structural Steel Members – Z Purlins and Girts.

AVALIABLE SIZE

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=2.45 LBS 14G=3.06 LBS 12G=4.29 LBS
10"	3"	3"	16G , 14G & 12G	GALVANIZED	16G=2.45 LBS 14G=3.06 LBS 12G=4.29 LBS
12"	3"	3"	14G & 12G	GALVANIZED	14G=4.88 LBS 12G=4.88 LBS
14"	3"	3"	14G & 12G	GALVANIZED	14G=5.39 LBS 12G=7.55 LBS

TOLERANCE STANDARDS FOR
THICKEST METALS

ACCUMULATION	. . . . . . . . . . . . . . . . . . . . . . . . . .	1/16"
Radii	. . . . . . . . . . . . . . . . . . . . . . . . . .	1/32"
Width	. . . . . . . . . . . . . . . . . . . . . . . . . .	1/16"
Flanges	. . . . . . . . . . . . . . . . . . . . . . . . . .	1/16"
Flare	. . . . . . . . . . . . . . . . . . . . . . . . . .	2X THK PER SIDE ANGLE
Flange	. . . . . . . . . . . . . . . . . . . . . . . . . .	2 DEGREES
Lips	. . . . . . . . . . . . . . . . . . . . . . . . . .	3 DEGREES
Camber	. . . . . . . . . . . . . . . . . . . . . . . . . .	1/8" IN 10'
Ski	. . . . . . . . . . . . . . . . . . . . . . . . . .	1/8" IN 10'
Dive	. . . . . . . . . . . . . . . . . . . . . . . . . .	1/8" IN 10'
Twist	. . . . . . . . . . . . . . . . . . . . . . . . . .	1/8" IN 10'
(Zee Only)	. . . . . . . . . . . . . . . . . . . . . . . . . .	1/4" IN 20'

TWIST IS MEASURED WITH THE ZEE LAYING ON A FLAT SURFACE UNDER ITS OWN WEIGHT.

NET VARIATION FOR COMBNED DIMENSION.

SECTIONAL PROPERTIES

NAME	DEPTH	WTP / WBT	THK	LIP	RAD	DEG	AREA	WT	YB	IXX	SXTOP	SXBOT	RXX	IYCT	IYCB	SYY	RYY
	IN	IN/IN	IN	IN	IN2	DEG	IN2	IBS/FT	IN	IN4	IN3	IN3	IN	IN4	IN4	IN3	IN
4Z16	4	2.5/2.5	0.06	0.69	0.1875	50	0.6	2.04	2	1.620	0.810	0.810	1.653	0.577	0.577	0.396	1.395
4Z14	4	2.5/2.5	0.075	0.72	0.1875	50	0.75	2.55	2	2.029	1.014	1.014	1.645	0.736	0.736	0.503	1.401
6Z16	6	2.5/2.5	0.06	0.94	0.188	50	0.72	2.45	3	4.035	1.345	1.345	2.367	0.563	0.563	0.4	1.25
6C14	6	2.5/2.5	0.075	0.97	0.188	50	0.9	3.06	3	5.011	1.67	1.67	2.36	0.709	0.709	0.5	1.255
6Z12	6	2.5/2.5	0.105	0.77	0.188	50	1.26	4.29	3	7.108	2.369	2.369	2.375	1.047	1.047	0.71	1.289
8Z16	8	2.5/2.5	0.06	0.76	0.188	50	0.847	2.88	4	8.156	2.039	2.039	3.102	0.616	0.616	0.42	1.206
8Z14	8	2.5/2.5	0.075	0.78	0.188	50	1.059	3.60	4	10.153	2.538	2.538	3.096	0.776	0.776	0.52	1.21
8Z12	8	2.5/2.5	0.105	0.83	0.188	50	1.483	5.05	4	14.097	3.524	3.524	3.083	1.103	1.103	0.74	1.22
10Z16	10	3/3	0.06	0.88	0.188	50	1.028	3.50	5	15.225	3.045	3.045	3.849	0.953	0.953	0.56	1.362
10Z14	10	3/3	0.075	0.91	0.188	50	1.284	4.37	5	18.972	3.794	3.794	3.843	1.199	1.199	0.7	1.366
10Z12	10	3/3	0.105	0.96	0.188	50	1.798	6.12	5	26.387	5.277	5.277	3.831	1.7	1.7	0.99	1.375
12Z14	12	3/3	0.075	0.91	0.188	50	1.434	4.88	6	29.266	4.878	4.878	4.517	1.199	1.199	0.7	1.293
12Z12	12	3/3	0.105	0.96	0.188	50	2.008	6.83	6	40.765	6.794	6.794	4.506	1.7	1.7	0.99	1.301
14Z14	14	3/3	0.075	0.91	0.1875	50	1.584	5.39	7	42.43	6.061
14Z12	14	3/3	0.105	0.96	0.1875	50	2.218	7.55	7	59.159	8.451

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.