Q235 Black Round Steel Tube

First of all, Q235 steel itself has excellent plasticity and weldability. This means that Q235 black round steel tube can be easily formed through various pressure processing, cold bending, hot bending and other methods to meet complex structural requirements. At the same time, it can also be connected and repaired through various methods such as arc welding, gas welding, resistance welding, etc., which greatly improves construction efficiency.

Secondly, Q235 black round steel tube has excellent mechanical properties. Its tensile strength is as high as 370-500MPa, its yield strength is 235MPa, and its elongation reaches ≥26%. These characteristics enable the pipe to maintain stable performance under various stress states, effectively ensuring the safety and stability of the structure. .

In addition, although Q235 steel has relatively poor corrosion resistance and is easily affected by the atmosphere, moisture, acid and alkali and other environments, the service life of Q235 black round steel tube can be effectively extended through anti-corrosion measures such as coating and galvanizing. The durability of this pipe has been further improved, allowing it to maintain its mechanical properties and appearance quality for a long time.

In terms of cost, the cost of Q235 steel is relatively low, which makes Q235 black round steel tube competitive in price. At the same time, its environmental protection also meets the sustainable development requirements of modern society and can be recycled and reused, reducing resource consumption and environmental pollution.

FAQ：

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free, with the cost of freight paid by customer.
Q:Are you gold supplier and do trade assurance
A:YES. We have strong cooperation with SINOSURE.
Q:How long is your delivery time?
A:Generally it is 3-5 days if goods are in stock. or around 30days if the goods are not in stock and it is according to order requirement.
Q:What is your terms of payment?
A: Payment<=1000USD, 100% in advance.
Payment>=1000USD, 30% T/T in advance ,balance before shippment. Or L/C at sight (For big order, LC at 30-90days can be acceptable).

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