Cold Drawn Square Steel Q235 Structure Pipe

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Cold Drawn Square Steel Q195 Q235
Grade: Q195, Q235
Size: 8-100mm
Length 6-12m
Best quality & Low price

 Cold Drawn Square Steel Q195 Q235

Grade: Q195, Q235
Size: 8-100mm
Length 6-12m

Mild steel is sometimes referred to as carbon steel or plain steel. Typically, it is stiff and strong. Carbon steels

do rust easily, but they can be easily painted or primed. They are cheap so they are the normal choice for most

fabrications. Mild Steel can be easily cut or drilled to meet your requests.

square bars are widely used for machine-made industry,chemical industry,spin,shipping industry, architecture,

food industry, housed.

TechniqueHot rolled
Steel materialQ195 Q235B Q275 20Mnsi 3SP 5Sp
Size50mm x 50mm-150mm x 150mm or as per customers' requirement
Length6m-12m as standard
ApplicationConstruction,Metallurgy,Carbon structural steel, Alloy steel, Gear steel, etc.
QualityFirst quality
Delivery time25-45days or according to the order quantity or negotiation
Payment TermsL/C, T/T


Q1: Why buy Materials & Equipment from

A1: All products offered are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.

Q2: How do we guarantee the quality of our products?

A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

Q3: How soon can we receive the product after purchase?

A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.



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Q:Hot dip galvanized steel can be welded
The hot dip galvanized steel pipe has excellent atmospheric corrosion resistance, and it can easily form a protective film on the surface at room temperature, which has good corrosion resistance.When the weld is cooled, coat the weld with silver paint to avoid rusting at the weld.
Q:How to ensure the steel paint off paint
Authentic traditional painting techniques include the following three steps:The 1. is to use a paintbrush dipped in paint: paint bucket, spread on the coated surface.2., open oil: that is, the shop on the surface of the paint immediately pull open, to promote the film extended evenly.3. paint: paint brushes gently spread evenly with solid particles and straighten out the paint, the paint off and excess paint.You paint square, from top to bottom, by plane, according to my above paint method can ensure the uniform film.In addition, you must use special metal paint finishing of polyester type steel, to ensure no paint brush.
Q:The steel structure of 40*80 steel, it is tempered glass top. The steel internal fight foaming agent. But there is rust in the inner surface. Will it affect the safety? How to deal with
The rust removal on the inner wall of pipe profiles has always been a thorny problem. If the corrosion is not serious, the treatment is usually not done. If you want to anti-corrosion effect is good, but also to go inside the paint corrosion prevention practices, very few.
Q:You need to light steel keel wall square steel
Light steel keel, plasterboard partitionLightweight steel keel wall materials are 50, 75, 100, 150 and so on. The wall can be filled with insulating materials - insulation materials (such as rock wool board, rock wool blanket, foam board), can play a very good insulation effect.
Q:How to combine the paint and galvanized steel
No, as long as you choose the special galvanized steel pipe paint, mcGZ type is ok!
Q:How the two square welded T shape angle and turning angle, how to improve the speed and quality?
You can't weld well without using tools, and it can't be welded with high quality. If the site is large and batch welded, you can use wood as a standard corner frame (quite a template). ), if the amount is small, you can buy a wooden triangle plate, steel square to live, post welding,
Q:How can we see is galvanized steel or wood
There is a difference in the quality of classification and can be processed into cold and hot dip galvanized pipe, galvanized pipe, galvanized pipe and galvanized belt can not be made, because of its wall thickness is thin, so the price will take the price dip galvanized pipe is much higher than galvanized pipe.
Q:4 x6 1.5 square meters thick, how much money
1, the steel prices generally calculated in tons. To see you say the steel is hot dip galvanized or black material.2, hot galvanized general 4500/ tons,3, black wood generally in 3800/ tons.That is 4.5 yuan /kg and 3.8 yuan /kg. Forget it. You say this kind of steel is 2.355kg per meter,
Q:How to connect with steel purlin roof
1, if the structural part of the main steel structure is H steel or other profiles, that is, steel roof truss;2, if the structural part of the main steel structure is bolt ball or welded ball, that is the steel space truss, and steel space truss also belongs to the category of steel roof truss, but the steel grid is called more accurate;
Q:The difference between cold and hot galvanized steel hollow where
Cold rolling process is: the strip through the mold, pipeline bending forming, and then through the automatic welding, the welding joints, and then polished, galvanized, also called seamed tube.

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