Z Purlin Weight Calculator & Chart (Online & Free) | MachineMFG (2024)

Have you ever wondered about the hidden world of Z-purlins? In this captivating article, our expert mechanical engineer will guide you through the intricacies of calculating Z-purlin weight. Discover how factors like material specs, steel type, and galvanizing influence the weight and cost of your projects. Get ready to unlock the secrets of optimizing Z-purlin use across various industries!

  • Shane
  • June 8th, 2024
  • Steel Weight Chart

Table Of Contents

Introduction to Z Purlin Weight Calculator

The Z purlin weight calculator is a useful tool for determining the weight of Z purlin steel in kilograms. By inputting the dimensions and specifications of the Z purlin, you can quickly calculate its weight for your project.

How to Use the Z Purlin Weight Calculator

To use the calculator, follow these steps:

  1. Select the style of Z purlin (Style 1 or Style 2)
  2. Input the dimensions of sides A, B, C, and D in millimeters
  3. Enter the thickness (t) in millimeters
  4. Specify the length in meters
  5. Input the number of pieces
  6. The calculator will display the total weight in kilograms

Z Purlin Weight Chart

The following chart provides the weights of common cold bend Z section steel and Z purlin steel sizes:

NoItemModelWeight (kg/m)Weight (lb/ft)
1Cold Bend Z Section SteelZ80×40×2.52.9471.980
2Cold Bend Z Section SteelZ80×40×3.03.4912.346
3Cold Bend Z Section SteelZ100×50×2.53.7322.508
4Cold Bend Z Section SteelZ100×50×3.04.4322.978
5Cold Bend Z Purlin SteelZ100×40×20×2.03.2082.156
6Cold Bend Z Purlin SteelZ100×40×20×2.53.9322.642
7Cold Bend Z Purlin SteelZ120×50×20×2.03.8352.577
8Cold Bend Z Purlin SteelZ120×50×20×2.54.7183.170
9Cold Bend Z Purlin SteelZ120×50×20×3.05.5693.742
10Cold Bend Z Purlin SteelZ140×50×20×2.55.113.434
11Cold Bend Z Purlin SteelZ140×50×20×3.06.044.059
12Cold Bend Z Purlin SteelZ160×60×20×2.55.8953.961
13Cold Bend Z Purlin SteelZ160×60×20×3.06.9824.692
14Cold Bend Z Purlin SteelZ160×70×20×2.56.2884.225
15Cold Bend Z Purlin SteelZ160×70×20×3.07.4535.008
16Cold Bend Z Purlin SteelZ180×70×20×2.56.6794.488
17Cold Bend Z Purlin SteelZ180×70×20×3.07.9245.325
18Cold Bend Z Purlin SteelZ200×70×20×2.57.0734.753
19Cold Bend Z Purlin SteelZ200×70×20×3.08.3945.641
20Cold Bend Z Purlin SteelZ230×75×25×3.09.5736.433
21Cold Bend Z Purlin SteelZ230×75×25×4.012.518.406
22Cold Bend Z Purlin SteelZ250×75×25×3.010.046.747
23Cold Bend Z Purlin SteelZ250×75×25×4.013.148.830
  • Download Z Purlin Weight Chart in PDF

Factors Affecting Z-Purlin Weight in Practical Applications

Several factors influence the actual weight of Z-purlins in real-world applications:

  1. Raw material specifications: The cross-sectional dimensions (width, height, thickness) directly impact the weight of the Z-purlin.
  2. Type of steel: The density and strength of the steel used, such as high-strength steel or ordinary carbon steel, affect the purlin’s weight.
  3. Place of origin: The source of the material can influence the cost, quality, and ultimately the weight of the produced Z-purlin.
  4. Galvanizing layers: Applying galvanized coatings improves corrosion resistance but also adds to the overall weight of the purlin.

Understanding these factors helps in accurately estimating the weight and cost of Z-purlins for your specific project requirements.

What Is Z-section Steel?

Z-section steel is a popular type of cold-formed, thin-walled steel with a Z-shaped cross-section. It typically has a thickness ranging from 1.6 to 3.0 mm and a section height of 120 to 350 mm. Z-section steel is manufactured from hot-rolled (painted) or galvanized materials and is commonly used in large steel structure plants.

Z Purlin WeightCalculator & Chart (Online & Free) | MachineMFG (4)

Applications of Z-Section Steel

Due to its high compressive strength and customizable specifications, Z-section steel finds widespread use in various industries and applications, such as:

  • Automotive and railway vehicles
  • Building doors, windows, and steel structures
  • Transportation and logistics
  • Electrical cabinets and cable trays
  • Solar energy support structures
  • Shipbuilding and bridge construction
  • Agricultural and greenhouse pipeline support
  • Furniture and storage solutions

The versatility and adaptability of Z-section steel make it a preferred choice for numerous construction and manufacturing projects.

Conclusion

The Z purlin weight calculator and weight chart provide a convenient way to determine the weight of Z-purlins based on their dimensions and specifications. By considering factors such as raw material specs, steel type, origin, and galvanizing, you can make informed decisions when selecting Z-purlins for your projects. Understanding the properties and applications of Z-section steel helps in optimizing its use across various industries and ensuring the success of your construction or manufacturing endeavors.

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Z Purlin WeightCalculator & Chart (Online & Free) | MachineMFG (5)

Author

Shane

Founder of MachineMFG

As the founder of MachineMFG, I have dedicated over a decade of my career to the metalworking industry. My extensive experience has allowed me to become an expert in the fields of sheet metal fabrication, machining, mechanical engineering, and machine tools for metals. I am constantly thinking, reading, and writing about these subjects, constantly striving to stay at the forefront of my field. Let my knowledge and expertise be an asset to your business.

  • Bending/Folding
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Z Purlin Weight Calculator & Chart (Online & Free) | MachineMFG (2024)

FAQs

How much does an 8 inch Z purlin weigh per foot? ›

Z Purlin Roof and Z Girt Wall Structural Steel
Z Purlin and Z Girt Weight Table: Weight per Linear Foot
16 Gauge14 Gauge
8 " Zee3.0994.375
10" Zee3.541N/A
12 " Zee3.9845.468
4 more rows

How far can you span 8 inch z purlin? ›

A six-inch purlin can span 18 feet. An eight-inch purlin can span 25 feet. A ten-inch purlin can span 30 feet.

How much does purlin weight per foot? ›

C Purlin and C Girt Structural Steel
C Purlin and C Girt Weight Table: Weight per Linear Foot
16 Gauge12 Gauge
6" Cee2.6564.531
8 " Cee3.0995.286
10" Cee3.5416.041
4 more rows

What size Z purlins do I need? ›

Purlins should always be chosen with the correct thickness according to the load requirements of the structure. Typically, purlins of between 1.2 and 3.0mm thickness are appropriate for most structures. Cardinal Steels offer eaves beams as standard 190 mm deep with a 2.0 mm thickness.

How much does a 10 inch purlin weight? ›

AVALIABLE SIZE
DIMENSION A​DIMENSION BWEIGHT PER LF
8"2-1/2"16G=2.45 LBS 14G=3.06 LBS 12G=4.29 LBS
10"3"16G=2.45 LBS 14G=3.06 LBS 12G=4.29 LBS
12"3"14G=4.88 LBS 12G=4.88 LBS
14"3"14G=5.39 LBS 12G=7.55 LBS
2 more rows

Which is stronger, C purlin or Z purlin? ›

Strength:

Z Purlins are extremely strong and can support heavy structures although, C purlins have relatively less strength. Therefore, in buildings with a bigger roofing or loading capacity, Z purlins would be a better choice. They are commonly used in agricultural and industrial buildings.

How far should purlins overlap? ›

When a structure is very wide, it may be necessary for multiple purlins to overlap one another. The general recommendation for purlin laps is that they should make up 15% of the span. At the midway point between each lap (i.e., 7.5% of the span) the two purlins should be bolted to the primary structure.

What size purlin to span 20 feet? ›

C Purlin, 8" X 2-1/2" X 14GA-20FT.

What is the weight of purlins? ›

C Purlin
Technical Specification
Size300MM
Thickness1.60 (mm)7.53 kg/m
2.00 (mm)8.17 kg/m
2.50 (mm)10.21 kg/m
1 more row

What are standard Z purlin sizes? ›

Steeline standard purlins are available in Z or C cross sections, with heights of 100, 150, 200, 250, 300, 350 and 400mm and thicknesses of 1.0, 1.2, 1.5, 1.9, 2.4 and 3.0mm (BMT).

Which way do Z purlins face? ›

While c purlins are installed so that the flanges are facing outward, z purlins are installed so that the flanges face inward. The shape used for z purlins gives them a greater resistance to forces applied on them. As a result, z purlins have a higher load-bearing capacity, and are better suited for heavier loads.

How far can 4 Z purlins span? ›

A four-inch purlin can span 12 feet. A six-inch purlin can span 18 feet. An eight-inch purlin can span 25 feet. A ten-inch purlin can span 30 feet.

What is the yield strength of Z purlin? ›

Albion Z section purlin is manufactured by cold roll forming pre-hot dipped galvanised steel S450 having a guaranteed minimum yield strength of 450N/mm2 and a Z275 galvanised coating.

Are purlins load bearing? ›

Load Distribution to Supports: Purlins function as load-bearing members, distributing the roof's weight to the supporting structure, which may include columns, beams, or load-bearing walls. Proper engineering and design ensure the loads are allocated efficiently to prevent overloading.

Are roof purlins load bearing? ›

Load Distribution to Supports: Purlins function as load-bearing members, distributing the roof's weight to the supporting structure, which may include columns, beams, or load-bearing walls. Proper engineering and design ensure the loads are allocated efficiently to prevent overloading.

Are Z or C purlins stronger? ›

Z Purlins are extremely strong and can support heavy structures although, C purlins have relatively less strength. Therefore, in buildings with a bigger roofing or loading capacity, Z purlins would be a better choice. They are commonly used in agricultural and industrial buildings.

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