Steel Flat Bar Q235 Hot Rolled Black Mild Steel Flat Bar

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
30 m.t.
Supply Capability:
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
StandardAISI, ASTM, BS,DIN,GB,JIS
GradeA36, SS400, Q235, Q345, S235,S275
Dimensions1.5mm-14mm
Length6-12m
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

 

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Q1: Why buy Materials & Equipment from OKorder.com?

A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com 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 is the tensile force of the galvanized flat steel of 20*3?
According to "hot rolled flat steel size, shape, weight and allowable deviation", GB 704-88:Ordinary class allows upper deviation +0.3mm, lower deviation -0.5mm; higher allowed upper deviation +0.2mm, lower deviation -0.4mm, the upper deviation is not to think, do not exceed the next deviation is good.
Q:Lightning protection grounding, what is called three surface welding?
When lap welding is adopted, the welding length is as follows:1, galvanized steel bar is not less than its width of 2 times, three surface welding. When the width of flat steel is different, the length of lap should be wide. Before laying, the flat steel should be adjusted straight, simmer, bend not to die, straight line should not be obvious bending, and should stand upright.2, galvanized round steel welding length of 6 times its diameter, and should be double-sided welding (when the diameter is not the same, the length of overlap in diameter should prevail).3, galvanized round steel and galvanized flat steel connection, its length is round steel diameter of 6 times.4, galvanized flat steel and galvanized steel pipe welding, in order to connect reliable, in addition to contact in itBoth sides of the site shall be welded, and the flat steel itself shall be bent in an arc to be welded with the steel pipe.
Q:Does the cable trench need grounding?
The cable trench needs grounding.
Q:What is the appearance of hot galvanizing and cold galvanized flat steel?
Cold galvanizing is zinc plating, the amount of zinc plating is very little, only 10 - 50g/m2, and its corrosion resistance is much different from that of galvanized pipe. Regular galvanized pipe manufacturer, in order to ensure quality, most do not use electro galvanized (Leng Du). Only small enterprises with small equipment and old equipment use zinc plating, of course, their prices are relatively cheaper. At present, the Ministry of construction has officially completed the following, the elimination of backward cold galvanized pipe, the future is not allowed to use cold galvanized pipe for water, gas pipes.
Q:Difference between cold drawn flat steel and flat steel
Cold drawn flat steel: steel, smooth surface,Flat steel: steel is relatively soft, flatness, no cold drawn flat steel
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:Building poles, outdoor flat steel, the deeper the buried depth, the better?
Building poles, outdoor flat steel, buried depth is not as deep as possible. According to the standard requirements, the level of the embedded depth is not less than 0.6 meters.
Q:-40x4 hot galvanized flat steel, a water 1m, what do you mean?
Water is to protect the wall foundation using cement mortar width not less than 600 of a circle along the walls of the cement ground, if the main part of the project before the electrical engineering, auxiliary grounding length less than in bulk water, auxiliary grounding, ditching to destroy the water, so that the design requirements of 1 meters water is conducive to the construction of welding, may be more than one meter in order to facilitate their work.
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:What is 40x4 galvanized flat steel, please?
The 40 represents the width of the flat steel (the length of the two sides of the flat bar), and the 4 represents the edge thickness of the flat steel (the width of the flat steel edge).

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