Cold Rolled Steel Strip Coils in Various Materials from China

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Loading Port:
Qingdao
Payment Terms:
TT OR LC
Min Order Qty:
66 m.t.
Supply Capability:
1222665 m.t./month

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Item specifice:

Standard: AISI,ASTM Technique: Hot Rolled,Extruded Shape: U Channel,Square
Surface Treatment: Galvanized,Coated Steel Grade: Q195,Q215 Certification: ISO,BSI
Thickness: 6 Length: 7 Net Weight: 7

Product Description:

Description of Steel Strip Coils:

Steel strips is one of our main products that is widely used in making band saw blade & other blades to cut paper, weed, etc.


Festures  of  Steel Strip Coils:

1.Thickness: 0.14-3.0mm

2.width:30-600mm

3.zinc coating: 30-275g

4.material:Q195, Q235,SGCC, A653 CS-B, DX51D,SGCD,SGHC,S350GD,S450GD,S550GD

5.spangle: zero spangle, regular spangle, small spangle

6.surface treatment: chromated and oiled, chromated and non-oiled

7.packing: export standard packing

8.Payment: TT or L/C

9.MOQ: 25TON

10.coil weight: 3-4ton

11.quality: soft or hard quality


Specifications of Steel Strip Coils:

1)Material:SPCC,SPHC,Q195,Q235,Q345,Q345B

2)Thick:0.15-3.0mm
3)Width:30-700mm

4)Zinc coating:Z6 to Z27(60g/m2 to 275g/m2, double sides)
5)Surface condition:Regular spangle
6)Coil ID:508mm
7)Coil OD:1000~1500mm

8)Packaging Detail: Export standard package,with PVC,steel cover.

9)productive capacity:6500tons per month


Images of Steel Strip Coils:

Cold Rolled Steel Strip Coils in Various Materials from China

FAQ

1.What's your MOQ?
25MT, it is for one container.
2.Do you have QC teams?
Yeah, sure, our QC team is very important, they will keep the quality control for our products.
3. What's your normal delivery time?
Our delivery time about 10-20days for standard sizes, if you have other requirements like hardness  and width ,it is about 20-40days. 

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Q:What are the characteristics of cold rolled strip technology?
Cold rolled blank because the surface covered with oxide film and a small amount of impurities, will directly affect the precision of rolling and the quality of the product, so the blank material must first sent to the shallow groove company push-pull continuous pickling, pickling of oxide film and annealing to remove impurities, can be sent to the high precision six roller reversible rolling mill made the required thickness. After rolling through forced circulation cover type bright annealing furnace and high precision leveling unit two Kun to soften and smooth surface, and then finished packing or according to customer demand straight points, finally packaging factory.
Q:What are the categories of strip steel? How do you distinguish it?
Classification by usageAccording to the use of steel, can be divided into structural steel, tool steel, special performance steel three major categories.Structural steel: 1. used as steel for various machine parts. It includes carburizing steel, Quenched and tempered steel, spring steel and rolling bearing steel.2. steel used as an engineering structure. It consists of carbon steel in armour, B, especially steel and ordinary low alloy steel.Tool steel: steel used to make all kinds of tools. According to the use of different tools can be divided into tool steel, die steel and tool steel.Special performance steel: steel with special physical and chemical properties. Can be divided into stainless steel, heat-resistant steel, wear-resistant steel, magnetic steel and so on.
Q:What are the differences between strip steel and round steel? Where are they mainly used?
Round steel is a solid strip of steel whose cross section is round. The specifications are expressed in millimeters of diameter, such as "50", which means a round bar of 50 millimeters in diameter. Round bar is divided into three parts: hot rolling, forging and cold drawing. Standard Specification for hot rolled round steel is 5.5-250 mm. Of which: 5.5-25 mm small round bars are mostly supplied by straight strips. They are used as reinforcing bars, bolts and various mechanical parts. Round bars larger than 25 millimeters are used mainly for making mechanical parts or for seamless steel tubes.Mainly used in the manufacture of various tools, cutting tools, moulds and tools (see tool steel), but also a large number of used in the manufacture of various mechanical parts.
Q:What's the reason for the strip after pickling?
I suggest you try phosphoric acid and BW-500P phosphoric acid fast acid cleaning lotion, pickling process. Without heating, rust will soon. And renewable recycling. The cost is much lower than that of hydrochloric acid.
Q:What is the difference between cold plate and strip steel?
Cold rolled sheet steel is short for ordinary carbon structural steel cold-rolled plate, also known as cold rolled plate, commonly known as cold plate, sometimes mistaken for cold tie plate. The cold plate is made of ordinary carbon structural steel hot rolled steel strip, which is made into steel plate with thickness less than 4mm after further cold rolling. Because the rolling at room temperature, does not produce iron oxide, so the surface quality of cold plate, high dimensional accuracy, coupled with the annealing treatment, the mechanical properties and process performance are better than the hot rolled steel sheet, in many fields, especially in the field of electrical appliance manufacture, has gradually replaced it with hot rolled steel sheet.
Q:Is the strip steel strip?
Including strip steel, generally speaking, the strip refers to the plate and strip of the general term, but the plate in the middle part of the plate and the delivery of sheet metal is cut from the strip.
Q:Causes of zinc removal in hot rolled strip
The base plate is coated with an iron oxide layer, which proves that the substrate in the annealing furnace has not been completely reduced to the spongy pure iron required for galvanizing.
Q:The relation between hot rolled strip and cold rolled coil, hot rolled strip and cold rolled strip
The hot rolled coil is made of slab (mainly continuous billet), and is made of roughing mill and finishing mill after heating. The hot strip from the last mill at the end of the finishing mill is cooled by laminar flow to the set temperature. The coiler is rolled into a coil and the cooled strip is rolled.
Q:What is the difference between galvanized steel cold base galvanized steel strip and hot galvanized steel strip?
The soaking process is mainly used in electroplating process, some appearance of repairing damaged more, a large number of plates or on the hot dip galvanizing process implementation. Cold is the use of zinc plating on the surface of the steel plate with filler replacement attached to a layer of zinc to the surface of the steel plate, the plating thickness is very small, generally between 10-50g/ square meters, anti-corrosion performance is poor, and its effect and general coating, sometimes as coated with a layer of anti rust oil in key parts this method should not be used so as not to affect the structure and properties of corrosion. The above is hot dip galvanized plate is heated to 500 DEG C into liquid zinc (zinc liquid temperature about 470 degrees Celsius), the formation of Zn Fe alloy coating and zinc layer, this method is the most commonly used, and the thickness of zinc can be controlled in more than 20 mu, ranging from 60g-275g/ square meters, even more thick, far better than cold plating process.
Q:Reasons for black side of hot strip galvanizing
The content of zinc chloride in plating bath is too low, which leads to some parts can not be plated and lead to local blackening.

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