Higher-toughness Zee purlin
1.Size range:
We have the following standard specifications,if you have any special size,please feel free to contact us for details,we will check if we could make it by new die mould or could only adjust our equipment to meet your size request.
| Depth/mm |
Flange/mm |
Lip/mm |
Thickness/mm |
Hole punching |
| 140 |
55 |
55 |
20 |
1.7-3.0 |
Could be punched,as per customer's requirement |
| 140 |
53 |
57 |
20 |
1.7-3.0 |
| 160 |
53 |
57 |
20 |
1.7-3.0 |
| 160 |
55 |
55 |
20 |
1.7-3.0 |
| 180 |
63 |
67 |
20 |
1.7-3.0 |
| 180 |
57 |
63 |
20 |
1.7-3.0 |
| 200 |
57 |
63 |
20 |
1.7-3.0 |
| 220 |
57 |
63 |
20 |
1.7-3.0 |
| 220 |
63 |
67 |
20 |
1.7-3.0 |
| 250 |
63 |
67 |
20 |
1.7-3.0 |
| 250 |
68 |
72 |
20 |
1.7-3.0 |
| 250 |
73 |
77 |
20 |
1.7-3.0 |
2.Z steel frame hole punching standards:
1)Our standard round hole's diameter is 14 mm;
2)Our elongated hole's length is 28 mm, width is 14mm;
3)Punching holes or not could be customized;
4)If you have special demand on the hole size,we could also follow your request to adjust the hole size.
3. Z purlin processing progress:
1)Put the steel strips on equipment;
2)Material rolling by equipment;
3)Punching holes on purlins;
4)Materials are perfectly shaped.
5)Cut Z purlins in required length;
6)Quality inspection for Zee purlins;
7)Stack Steel Z purlins in proper position and packed.
4.Z purlins application:
Z purlins are an ideal product which could offer long spans between portal frames for your commercial buildings.Z Purlins are available in various sizes,and it's in high material strengths to match the design computations of your building.Compared to Cee purlins,Z section frame is more suitable for large slope roofing system.
5.Site storage notes:
1)Galvanized purlins should be stored with a sleeper or base material,to avoid ground moisture;
2) Zee purlin can't be contacted aluminum directly or the ground;
3) If the exterior surface of Zee shaped purlins is found to be dirty,it should be cleaned as soon as possible,to avoid more rusty possibility;
4) The purlins should be wiped dry in time after being exposed to water so as to prevent the surface from becoming black.
6.Galvanised Z purlins installation notes:
1) Metal purlins shall be hoisted to the roof in time so as to avoid causing a concentrated load and deform the door frame;
2) Z shpaed purlins should be installed with the same direction and be nice and tidy. After tightening the installation bolts, the threads should be roughened to prevent loosening;
3) Any mounting bolt holes must not be arbitrarily used for gas cutting.
7.FAQ:
·How to get the quotation?
We need your help to offer us the specs as per what we showed in our product description.Or if you have project drawings or material list,you could pass them to us directly.Then please send us mail to us .
·What's the Z purlins standards?
Usually we are making as per China GB standards,if you have any special standards required,please indicate,when you make inquiry.
·How to get full technical data sheets of purlins?
Please send us e-mail and we will get back to you soon,as per your description.
·What's packing standards for steel purlins?
Usually it's packed with steel strips and in bundles.If you have any special packing demand,please contact us and let us know,we will consider the packing standards.
For other doubt,please contact us,our sales team will do our best to offer you service.
Audited Supplier 
){kind=link}
){kind=link}