Product Details

75x75 38x38 25x25 pre galvanized steel tube pipe hollow section

75x75 pre galvanized steel tube pipe hollow section

38x38 pre galvanized steel tube pipe hollow section

25x25 pre galvanized steel tube pipe hollow section

Product Description

Product Name	75x75 38x38 25x25 pre galvanized steel tube pipe hollow section
Material	Q195,Q215,Q235,Q345; SS400,A53,A106,Low Carbon Steel
Standard	GB/BS/ASTM/DIN/JIS
Sizes(mm)	1515 1919 2020 2525 3030 3232 3535 3838 4040 5050 6060 7575 8080 100100 1325 2030 2040 2540 2550 3040 3050 3757 3777 3875 4060 4080 5070 4590 50100 7525 80120 50150
Thickness	0.3mm-4.5mm
Zinc Coating	40-275g/m2 as customers request
Surface	Smooth galvanized, Bright annealed, Chromated
Finish Treatment	Color Painting, Oiled, BE, PE, Perforate, Threaded, Threaded with Coupling, Etc...
Package	Bundles/ Bundle with water-proof bag or as customers request
Production Capacity	2000 tons/day.
Delivery Time	Normally 10-20 days after received deposit or Lc.
Payment Term	CIF&CFR FOB
Loading Port	Tianjin,China
Payment	T/T +B/L copy or L/C at sight
Main Market	Europe,Southeast Aisa ,South America and Africa regions

Chemical Element Content For Reference
Q195 Chemical Element Content
C	Mn	Si	S	P
≤0.12	≤0.50	≤0.30	≤0.040	≤0.035
Q235 Chemical Element Content
C	Mn	Si	S	P
0.12~0.20%	0.30~0.67	≤0.30	≤0.045	≤0.045
Q345 Chemical Element Content
C	Mn	Si	S	P
≤0.20	≤1.70	≤0.55	≤ 0.040	≤ 0.040

Mechanical Property For Reference
Grade	Yield Strength/Mpa	Tensile Strength/Mpa	Elongation / %
Q195	195	315~430	33
Q235	235	375~500	25
Q345	345	490~675	21

Product Show

Warehouse

Production Flow

Production process:

Factory owns 16 production lines for pre galvanized steel tube. Meantime, also owns 8 galvanized strip(raw material) production lines .

Truly achieving full set production from raw material to tube making. We are trying best to save every cost chain for you based on controlling product itself prime quality.

Hot Rolled Strip- Pickling Strip -Cold Rolled Strip- Annealing Strip- Galvanized Strip - Pre Galvanized Round Tube- Pre galvanized Square& Rectangle Tube

Factory Information

About Us:

Our factory established in 1979,which is located in Tianyu Science and Technology Park,Jinghai County,Tianjin City,China.

Our company has 37 years' experience in manufacturing hot dipped galvanized steel strip / coil and pre galvanized steel hollow section and steel pipe.

Workers and a team of engineers,advanced production lines and a factory with more than 200000 square meters, our output capacity reaches 2000 tons everyday.

Superiority:

We are the professional manufacturer of galvanized steel strip / coil and galvanized steel hollow section and steel pipe. We have been in this line for 37th years.

Based on experience,with our reasonable price ,high quality and considerate service.Our products enjoy the high reputation in our market,products are sold more than 30 provinces and regions of China.

Meanwhile,the products are welcomed by Europe,Southeast Aisa ,South America and Africa regions. It has already entered America,Australia,Chile,Singapore,Japan,Korea,Thailand,Myanmar,India,Bangladesh,Sri Lanka

FAQ

Q: Are you trading company or manufacturer ?

A: We are factory.

Q: How long is your delivery time?

A: Generally 5-10 days if the goods are in stock. Or 15-20 days according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge, but because our cargo is always big, so the freight charged by yourself.

Q: What is the difference between pre galvanized steel tube and hot dip galvanized steel tube?

A: Firstly,production process is different;

Secondly,zinc amount is different.The normal zinc quantity for pre galvanized steel tube is around 40g/m²(2 sides), and the normal zinc quantity for hot dipped galvanized steel tube is 200g/m²(1 side).

At last , Hot dip steel tube's price is higher than pre gal one.

We are ready to provide more information as your request, pls feel free to contact us: