Steel Flat Bar Q235 Hot Rolled Black Mild Steel Flat Bar

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30 m.t.
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40000 m.t./month

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Product Description:

Product Description:

OKorder is offering Steel Flat Bar Q235 Hot Rolled Black Mild Steel Flat Bar at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.


Product Applications:

Steel Flat Bar Q235 Hot Rolled Black Mild Steel Flat Bar are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.


Product Advantages:

OKorder's Steel Flat Bar Q235 Hot Rolled Black Mild Steel Flat Bar are durable, strong, and resist corrosion.


Main Product Features:

·         Premium quality

·         Prompt delivery & seaworthy packing (30 days after receiving deposit)

·         Corrosion resistance

·         Can be recycled and reused

·         Mill test certification

·         Professional Service

·         Competitive pricing


Product Specifications:

Namecarbon hot rolled black mild steel flat bar
GradeA36, SS400, Q235, Q345, S235,S275
Techniquecarbon hot rolled black mild steel flat bar
ToleranceAs the standard or as your requirement
ApplicationMetal structure, bridge, machiner, shipbuilding industry
CertificatedBV carbon hot rolled black mild steel flat bar
MOQ25 tons 
DeliveryWithin 25 days after deposit
PaymentT/T or L/C



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:What about the installation height of the socket and the height of the ground flat steel?
In accordance with the final use of functional considerations, it is not recommended to reduce the socket installation height. According to the actual use of functional requirements, the socket location can be changed to optimize to avoid the ground flat iron position? If it is not feasible, then reduce the height of ground flat iron.
Q:The distinction between flat steel and steel strip
Flat bar is strip, mostly 30*3, 40*4, 50*5 and so on. Strip: Blue (sometimes called black) is a chemical treatment, the surface to form a dense oxide film, corrosion and decoration;
Q:What's the meaning of ground flat steel -60*8 hot dip galvanizing?
Hot dip galvanized (galvanizing) also called hot dip galvanized and hot dip galvanizing: is an effective way of metal corrosion, mainly used for metal structure on the facilities of the industry. The steel piece after being cleaned is dipped into the molten zinc liquid at about 500 DEG C so that the zinc coating is adhered on the surface of the steel member so as to prevent corrosion.
Q:What is the difference between flat steel and steel sheet material
It is a kind of flat steel, flat steel plate is mainly used for general structure, construction, general machinery parts; and the steel plate is including carbon steel, alloy steel, high performance steel structure, this kind of material is.
Q:What does QB stand for in Q235B flat steel? What's the difference between Q235B and Q235A?
Low alloy steel Q235A and Q235B in A, B is the difference between the level of quality (total seems to be divided into four levels, you can check and confirm), the main difference is whether it is necessary to do the normal impact test, A does not need to do, need to do B.
Q:What is the negative deviation allowed by the national standard for galvanized flat steel of 40*4?
40 is the width of the section steel, 4 is the thickness of the steel, and the unit is mm.Flat, refers to the width 12-300mm, thickness 4-60mm, cross section is rectangular in shape and with a blunt edge of steel. Flat steel can be finished steel, or can be used as the blank of welded pipe and thin slab for laminated sheet rolling.
Q:Hot dip galvanized flat steel specification 40X4, 60X6 meaning?
Hot galvanizing is a kind of anticorrosive process. It is coated with zinc on the surface of the plated parts. Zinc is relatively stable in the air. 40x4 60x6 is the width and thickness of the plated part, in mm
Q:What is 40x4 galvanized flat steel, please?
Refers to the galvanized flat steel, width 12-300mm, thickness 4-60mm, cross section is rectangular and with pure edge of galvanized steel. Galvanized flat steel can be finished steel, also can be galvanized pipe blank and galvanized belt.
Q:Why is it better to use round steel than that of flat steel in lightning protection?
Exposed on the outside with round steel, due to corrosion of small, dark buried flat steel, because of large welding area, reliable connection.
Q:Does the cable trench need grounding?
The cable trench needs grounding.

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