flat bar

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Specification of Mild Steel Flat Bar

Commodity: Mild Steel Flat Bar

Standard: GB;JIS

Material: Q195-235;SS400

Brand name: FLATSPACE

Origin place: China

Thickness: 3mm-30mm

Width:20mm-200mm

Length: Max 12m

Certification: SGS/BV

Chemical composition of Q235



Alloy No

Grade

Element(%)

C


Mn


S


P


Si



Q235



B



0.12—0.20


0.3—0.7


≤0.045


≤0.045



≤0.3



Physical properties of Q235

Alloy No

Grade

Yielding strength point(Mpa)

Tensile strength (Mpa)

Elongation after fracture(%)

Thickness (mm)

Thickness (mm)

≤16

>16--40

>40--60

>60--100


≤16

>16--40

>40--60

>60--100


Q235


B


235


225


215


205


375--500


26


25


24


23
















Usage/Applications of Mild Steel Flat Bar

Widely used for construction, Machinery manufacturing, Iron tower steel structure, Shipbuilding; Steel grating, Staircase, Bridge, Viaduct, Railway spare parts, Boilers making etc.

Packaging & Delivery of Mild Steel Flat Bar

Packaging Details: The Mild Steel Flat Bars are packed in bundles and loaded in 20 feet/40 feet container, or shipped by bulk cargo ,also we can do as customer's requirements.

Delivery Details:30~45 days upon the receipt of buyer payment by T.T. or L/C.

Production Flow of Mild Steel Flat Bar

The Mild steel flat bar is made through three processes:

1.Feeding the material: Feeding the row material (the steel plate) to Slitting Line.

2.Slitting:The steel plate would be slitted into expected width by lengthways cutter.

3. Leveled and cutting: The plat bar would be ground into level by the grinder and then cut into required length


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Q:The function of ground lead out galvanized flat steel
1, galvanized flat steel, refers to the 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.2. Main uses: galvanized flat steel used as a useful material, can be used to make iron, tools and machinery parts, building for housing, structural parts, escalators.
Q:What is the difference between 60X6 and 50X4 flat steel in grounding?
There are differences, mainly based on the local geological conditions, the purpose is to meet the requirements of grounding resistance.
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:50*4 hot dip galvanized flat steel can be used as grounding. How many square feet can be used instead of ground wire?
The national standard is considered from an electrical angle. The size of the ground wire is defined as the same diameter of the ground wire and the phase line;
Q:Does the cable trench need grounding?
According to the design requirements of excavation and masonry, the groove side wall welding force angle, steel frame and required to ground, covered with the cover of the underground channel, that is, cable ditch. Its purpose is to lay underground tunnels for cables.
Q:Friction coefficient of steel pipe and flat steel on roller table!
Section steel is one of the four major steel products (plate, tube, mould, wire). According to the section shape, the section steel is divided into simple section steel and complex section steel (Xing Gang). the formerRefers to the steel, round steel, flat steel, angle steel, six angle steel; the latter refers to the I-beam, channel steel, steel, steel, steel frame bending etc..
Q:The grounding electrode 50 angle steel and the ground wire 50, the flat steel lap welding, according to the specification 169 needs the flat steel to be late 90 degrees, bends close to the angle steel side, the overlap width is 4 times (200mm)?
GB50169-2006 in the 3.4.2 stipulates that the grounding body (line) shall be welded by lap welding, and its lap length shall comply with the following requirements:1. flat steel is 2 times its width (and welded with at least 3 edges);2. round steel is 6 times its diameter;3. round steel and flat steel connection, its length is round steel diameter of 6 times;
Q:What is the surface area of flat steel 100*3 meters per metre?
2X (0.1x1+0.003x1+0.1x0.003) =0.2066 with a surface area of 0.2066 square meters.Flat, refers to the width 12-300mm, thickness 4-60mm, cross section is rectangular in shape and with a blunt edge of steel.
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 is flat steel, please? What are the specifications of flat steel?
Flat, refers to the width 12-300mm, thickness 3-60mm, cross section is rectangular in shape and with a blunt edge of steel.

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