c purlin
Steel Structures
AISI, GB, BS, DIN, ASTM, JIS
Non-alloy
zhongding
Standard Package
customer's requirement
China
Product Description
Materials & Finishes | Surface Treatment Deforming | Demmand | Life(year) | |
Steel | Spray | NO | Indoor&dry, Normal temperature | 10 |
Galvanized | Deforming | Indoor,light anti-corrosion | 12 | |
Hot Dip Galvanized | NO | Outside,heavy corrosion | >40 | |
Galvanized with Powder Coated | NO | Outside wet high temperature | 15 | |
Aluminum | Aluminum Alloy | Light Deforming | Indoor&dry, Normal temperature | 20 |
Aluminum Alloy with Powder Coated | Light Deforming | Outside,light anti-corrosion | 15 | |
Stainless Steel | SS304 | NO | Outside,heavy corrosion | >30 |
SS316 | NO | >40 |

Specification | Weight (kg/m) | Specification | Weight (kg/m) |
80x40x20x2.5 | 3.925 | 180x60x20x3 | 8.007 |
80x40x20x3 | 4.71 | 180x70x20x2.5 | 7.065 |
100*50x20x2.5 | 4.71 | 180x70x20x3 | 8.478 |
100x50x20x3 | 5.652 | 200x50x20x2.5 | 6.673 |
120x50x20x2.5 | 5.103 | 200x50x20x3 | 8.007 |
120x50x20x3 | 6.123 | 200x60x20x2.5 | 7.065 |
120x60x20x2.5 | 5.495 | 200x60x20x3 | 8.478 |
120x60x20x3 | 6.594 | 200x70x20x2.5 | 7.458 |
120x70x20x2.5 | 5.888 | 200x70x20x3 | 8.949 |
120x70*20x3 | 7.065 | 220x60x20x2.5 | 7.4567 |
140x50x20x2.5 | 5.495 | 220x60x20x3 | 8.949 |
140x50x20x3 | 6.594 | 220x70x20x2.5 | 7.85 |
160x50x20x2.5 | 5.888 | 220x70x20x3 | 9.42 |
160x50x20x3 | 7.065 | 250*75x20x2.5 | 8.634 |
160x60x20*2.5 | 6.28 | 250x75x20x3 | 10.362 |
160x60x20x3 | 7.536 | 280*80x20x2.5 | 9.42 |
160x70x20*2.5 | 6.673 | 280x80x20x3 | 11.304 |
160x70x20x3 | 8.007 | 300*80x20x2.5 | 9.813 |
180x50x20x2.5 | 6.28 | 300x80x20x3 | 11.775 |
180x50x20x3 | 7.536 | ||
180x60x20x2.5 | 6.673 |






FAQ:
1. who are we?
We are based in Zhejiang, China, start from 2020,sell to Domestic Market(20.00%),North America(10.00%),South America(10.00%),Eastern Europe(10.00%),Southeast Asia(10.00%),Africa(10.00%),Oceania(5.00%),Mid East(5.00%),Eastern Asia(5.00%),Western Europe(5.00%),Northern Europe(5.00%),Southern Europe(5.00%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Seamless Steel Pipe/ Welded Steel Pipe,Hot Rolled Plate/ Color Steel Plate,Round Bar,etc.
4. why should you buy from us not from other suppliers?
Zhongding Steel is a diversified private enterprise with business covering stainless steel, carbon structure steel, alloy steel, etc. And established a number of joint-venture steel production lines with some well-known steel companies.
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,FAS,FCA,DES;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,D/P D/A;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian.
6.Can I get some samples?
We are glad to provide free samples to you, but we do not offer the freight.
7.What is your after-sale service?
We provide after-sale service and offer 100% guarantee on our products.