Flat Bulb Bar Steel Ball From 12# To 22#

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Loading Port:
China main port
Payment Terms:
TT or LC
Min Order Qty:
50 m.t.
Supply Capability:
5000 m.t./month

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Product Description:

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

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

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 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

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

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: 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: What makes stainless steel stainless?

A2: 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.

Q3: Can stainless steel rust?

A3: 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.

 

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Q:80 * 80 * 4 galvanized flat steel is what specifications?
Galvanized square pipe.Specification: 80 * 80 * 4 is the dimension of galvanized square pipe. That is to say, the length and width of the inner diameter of the nozzle are 80mm, and the thickness of the tube wall is 4mm.
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.
Q:What is the use of slitting flat steel?
Compared with the conventional steel plate, slitting flat steel has the following advantages:1, the product surface is bright and clean. Two times in the process of high-pressure water descaling process, to ensure that the steel surface clean and bright.2, special product specifications. The thickness of 8~45mm, width 150-600mm, length 5-15m, and the product specifications span is dense, can meet the needs of users, instead of in use, without cutting board, we can directly carry out welding.3, both sides of the vertical, clear water chestnut. The two vertical rolling in the finishing mill ensures good verticality of both sides, clear corners and good quality of the edges.
Q:What is flat steel for?
Hot rolled flat steel is a general purpose rectangular cross section strip. The specifications are expressed in millimeters of thickness * width, flat steel can be finished steel, used for components, ladders, bridges and fences, etc.. Flat steel can also be used to weld rigid steel and billets and slabs of laminated sheets. (material: Q215, Q235), the implementation standard: GB704 - 1988 instead of GB704 - 83, this standard applies to the thickness of 3~60mm, width of 10~200mm, cross section of rectangular hot rolled flat steel for general use. Delivery status: flat steel delivered by straight line. Measurement: flat length and length of flat steel, according to the theoretical weight of delivery.
Q:The technological process of flat steel
The production process can be summarized as: pre leveling, finishing, straightening and leveling. Flat /a/b width 12-300mm, thickness 4-60mm, cross section is rectangular and with pure 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. Flat steel is divided into two kinds according to its shape: flat spring, flat steel and single side double slot spring flat steel. Hot rolled spring flat steel is mainly used in the manufacture of automobiles, tractors, railway transportation and other mechanical leaf springs.
Q:The difference between galvanized flat steel 40*4 and galvanized flat steel 80*8 is the difference on the material list!
Here, your galvanized flat steel refers to the basic matrix is carbon content less than 0.18% carbon steel (Q235), after galvanizing (general hot plating), play the role of surface oxidation resistance, corrosion resistance. Generally used in the power sector, what you mention is the difference in size.
Q:Do lightning protection, lead out of the galvanized round steel, flat steel needs to be inspected?
The corrosion resistance of cold galvanizing is not as good as that of hot-dip galvanizing. It is used as lightning protection and grounding material. It is corroded quickly, and the grounding resistance is raised rapidly. It exceeds the required resistance.
Q:What are the standards for the use of galvanized steel angles and flat steel for grounding?
(1) grounding wire is generally made of 40mm * 4mm galvanized flat steel.(2) galvanized steel or angle steel for earthing body. The diameter of the steel pipe is 50mm, the wall thickness of the pipe is not less than 3.5mm, and the length is 2 to 3m. Angle iron shall be 50mm * 50mm * 5mm.
Q:The function of ground lead out galvanized flat steel
Use and test, debug, you must use lead line. In accordance with the D501 specification, its cross section is not less than 4*40.
Q:Where can I buy ground level bending machine?
When galvanized round steel is connected with galvanized flat steel, its length is not less than 6 times of the diameter of round steel. If necessary, it should be welded at right angle with auxiliary round steel or flat steel.

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