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China C/Z Purlin Suppliers - High-Quality Cold-Formed Steel Profiles from Reliable Factory

C/Z purlins are a type of cold-formed thin-walled steel profile that play a crucial role in the construction of steel structure buildings. As a reputable manufacturer and supplier in China, our factory produces an impressive annual output of 50,000 tons, ensuring complete specifications and stable performance. Our C/Z purlins are ideal for roof and wall support systems across various applications, including industrial plants, warehouses, markets, and stadiums. With our commitment to fast delivery and high-quality products, we are your trusted source for reliable steel profiles in the construction industry

Processing Services Roll forming, cutting, punching, bending, welding, drilling, galvanizing, painting
Technique Cold roll forming, high-frequency welding, automatic cutting
Surface Treatment Bare black steel, Anti-rust painting, Hot-dip galvanized, Electro galvanized, Powder coating
Section Shape C type (channel purlin), Z type (Zee purlin)
Standard GB/T 6728-2017, JIS G3350, ASTM A653, EN10147, or customized according to customer requirements
Material Q235B, Q355B, S235JR, S355JR, SGCC, DX51D+Z, etc.
Delivery Time 7–15 days (according to order quantity and production schedule)

Product Details

Advantages

High strength, light weight, good seismic performance

Accurate size, smooth surface, easy installation

Good interchangeability, can be connected with bolts

Cost-effective, reduce construction period

Environment-friendly, recyclable

Z Purlin Specification
Item	Section Size (mm)	Thickness (mm)	Weight (kg/m)
1	Z100×50×20	2	3.14
2	Z100×50×20	2.5	3.87
3	Z120×50×20	2	3.45
4	Z120×50×20	2.5	4.28
5	Z140×50×20	2	3.77
6	Z140×50×20	2.5	4.69
7	Z160×60×20	2	4.55
8	Z160×60×20	2.5	5.65
9	Z180×70×20	2	5.23
10	Z180×70×20	2.5	6.5
11	Z200×70×20	2	5.55
12	Z200×70×20	2.5	6.9
13	Z220×75×20	2	6.08
14	Z220×75×20	2.5	7.56
15	Z250×75×20	2	6.59
16	Z250×75×20	2.5	8.2
17	Z300×80×20	2.5	9.43
18	Z300×80×20	3	11.2

C Purlin Specification
Item	Size (mm)	Thickness (mm)	Weight (kg/m)
1	C75X50X20	1.5	2.53
2	C75X50X20	1.8	3.04
3	C75X50X20	2.0	3.38
4	C75X50X20	2.2	3.71
5	C75X50X20	2.5	4.22
6	C100X50X20	1.5	2.83
7	C100X50X20	1.8	3.39
8	C100X50X20	2.0	3.77
9	C100X50X20	2.2	4.14
10	C100X50X20	2.5	4.71
11	C125×50×20	1.5	3.12
12	C125×50×20	1.8	3.74
13	C125×50×20	2.0	4.16
14	C125×50×20	2.2	4.58
15	C125×50×20	2.5	5.20

Product Display

C/Z Purlin Production Line

C/Z Purlin Warehouse Stock

C Purlin Packaging

Loaded into container

Transported to the port

In the port yard

Shipping Process

Exhibition

Exhibition 01

Exhibition 02

Exhibition 03

Exhibition 04

Exhibition 05

Exhibition 06

Company Certificate

ISO14001:2015

ISO9001:2015

Alliance Member OF Tianjin Metal Materials Industry Association

Tianjin Metal Materials Industry Association Member

Alliance of China Steel Export

China National Association of Metal Material Trade

FAQ

Q:Are you a manufacturer?

A: Absolutely. We are a direct manufacturer with our own large-scale facility located in Tianjin, China. You are more than welcome to visit us!

Q:Can I place a trial order for just a few tons?

A: Certainly. We value every partner regardless of the order size. We can easily arrange an LCL (Less than Container Load) shipment to accommodate your specific needs.

Q:Is the sample free of charge?

A: Yes, we provide samples for free so you can verify our quality. We only ask the buyer to cover the courier cost.

Q:How long is the delivery time?

A: Most sizes are in stock and can be shipped immediately.

Q:What finishes can you provide for C/Z purlins?

A: We offer multiple surface finishes including black/plain, painted, and hot-dip galvanized to ensure excellent corrosion resistance.

Q:Do you support customization for punch holes?

A: Yes, we can customize the sizing, pre-punch holes, and structural dimensions according to your specific project design drawings.