Mild Carbon Steel Flat Bar

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China Main Port
Payment Terms:
TT or LC
Min Order Qty:
-
Supply Capability:
10000 m.t./month

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Product Description:

Specification of Carbon Steel Flat Bar

Commodity: Carbon Steel Flat Bar

Standard: GB, JIS, ASTM,

Material: Q235, SS400 or Equivalent

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 Carbon 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 Carbon Steel Flat Bar

Packaging Details: The 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 Carbon Steel Flat Bar

The Carbon 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.

 

FAQ:

Q1: What makes stainless steel stainless?

A1: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.

Q2: Can stainless steel rust?

A2: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface.

Q3: Why buy Materials & Equipment from OKorder.com?

A3: 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.

 

 

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Q:How to use -40*4 galvanized steel bar to do grounding electrode?
Take 3 2.5m long 50 galvanized steel bars spaced 5m, buried in the ground 0.6m, and then galvanized flat steel and angle steel welding.
Q:How to determine the application direction of steel grid plate
The length of a steel grid refers to the direction that carries the flat steel, and the width of the steel grid refers to the size measured in the direction along the cross bar (usually the cross bar with a twist Jiao Fanggang)
Q:Construction of lightning protection ground galvanized flat steel approach, need to retest test? What's the test?
Forged flat steel is a forged strip of steel with a rectangular cross section. Forging injustice can get certain shape and size and forgings, casting microstructure of the steel is remarkably improved, increase the density of steel; can change the distribution of the fiber structure, clear anisotropy, improve the mechanical properties of the metal, so that the strength and toughness of steel are improved; and it can be used to process the plastic lower high Shuogang and high alloy steel. Forged flat steel is mainly made of high quality alloy steel, mainly used as springs, tools and important mechanical parts.
Q:Does the cable trench need grounding?
The cable trench needs grounding.
Q:The technological process of flat steel
The working principle of precision steel production process of flat steel finishing machine is cold flat bad hair with two sets of upper and lower staggered leveling wheel thickness pre leveling and final leveling; with a pair of oppositely disposed finishing wheel in the width direction of extrusion, the width is compressed and reaches the expected parameters and the amount of compression can be adjusted; with 5 aspects of straightening straightening wheel arrangement of the staggered width. This system is mainly composed of a control box, finishing roller, pre leveling unit, finishing unit, straightening unit.
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 is the difference between flat steel and steel strip?
Steel strips generally refer to sheet metal, and flat steel generally refers to medium and heavy plateFlat steel hot rail and cold drawn
Q:What is the negative deviation allowed by the national standard for galvanized flat steel of 40*4?
40*4 galvanized flat steel GB permitted negative deviation value is the thickness deviation value is 0.2mm, the deviation 0.4mm, the width deviation value is the upper deviation 0.5mm, lower deviation 1.0mm
Q:What is flat steel, please?
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. Main application: flat steel is used as a material, used for making iron, tools and machinery parts, and used as frame structures and escalators for buildings.
Q:The distinction between flat steel and steel strip
The first is to use cyanide cyanide salt, it is commonly referred to as the "cyanide", it is the metal surface while being carbon atoms and nitrogen in a chemical heat treatment process of saturated (cyanide containing carbon, nitrogen, assuming the metal is a, valence +n, cyanide formula a (CN) n).

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