Best Quality of Cold Rolled Steel Sheet from China

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
100 m.t.
Supply Capability:
5000 m.t./month

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Product Description:

1.Structure of Cold Rolled Steel Description

The raw material of cold rolled steel coil/sheet is high quality hot rolled product, and after pickling continuous rolling, degreasing, annealing,skin pass,slitting and cut to length line etc. Along with it many kinds of new  technology and new process of global cold rolling production have been applied. Therefore the quality of the goods could be guaranteed. The product is widely used in outdoor and interior decoration, furnishing manufacturing, home appliance, automobile etc.

2.Main Features of the Cold Rolled Steel

• Excellent process capability

• Smooth and flat surface

• Workability, durability

• Excellent heat resistance performance

• High strength

• Good formability

• Good visual effect

 

3.Cold Rolled Steel Images

 

4.Cold Rolled Steel Specification

Standard:AISI,ASTM,DIN,GB,JIS,JIS G3302 ASTM 653M EN10142

Grade: Q195~Q345

Thickness: 0.16mm~1.5mm,0.16-1.5mm

Width: 1250,600-1250mm

Coil weight:3-12 MT

Coil ID:508/610mm

Chemical composition:

C

Si

Mn

Cr

Ni

P

S

0.150

0.476

11.231

12.50

0.900

0.039

0.010

 

 

5.FAQ of Cold Rolled Steel

We have organized several common questions for our clients,may help you sincerely:

1.How about your company

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel,is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customers requirements.

2.How to guarantee the quality of the products

We have established the international advanced quality management system,every link from raw material to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

3. How long can we receive the product after purchase?

Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 15-25 days, but the shipment will depend on the vessel situation.

 

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Q:What is the difference between hard steel plate and soft steel plate?
Pre hardened steel: 1. pre hardened steel prehardened is to supply, without heat treatment, but sometimes need to be modified by forging, die forging must be carried out after heat treatment.The pre heat treatment, 2. commonly used pre hardened steel ball annealing is designed to eliminate the forging stress, spheroidal pearlite, uniform hardness, improve the plasticity and improve the performance of extrusion die cutting performance or cold.3. pre hardened steel pre hardening process is simple, most of the quenching and tempering after quenching and tempering, tempering sorbite. High temperature tempering temperature range is wide, can meet the mold hardness requirements of various work. Because of this kind of steel hardenability is good, can be used when quenching oil cooling and air cooling or nitrate quenching.
Q:Stainless steel plate and steel welding
It is better to use argon arc welding or white steel welding rod, with electrode generally 3.2 or 2.5 can be, the color will change with some, wipe it will be good.
Q:What is the width of carbon steel coil and the width of stainless steel coil, one is 1250 and the other is 1219?
Domestic stainless steel rolling mill is generally 1219, but the design standard is 1300, so there will be flash board 1250, that is not the standard board, belonging to the flash, waste materials, many products manufacturers are also in 1219 as a reference size, product development, if the plate width will be wasted, a lot of scrap production the process, so the business order is generally around 1219 stainless steel coil.
Q:What is the difference between Q235A steel and Q235B steel?
Secondly, in the tensile and impact experiments, the material is Q235A steel, no impact test, the material is Q235B steel to do the normal temperature impact test, V notch. Relatively speaking, the mechanical properties of materials Q235B steel is much better than the material of Q235A steel.
Q:What's the good way to connect two Q235 steel bolts? Why?
A good plan, two plates have a drilled hole, connected by bolts, locking nut.
Q:How can the steel plate of flat welding 10mm make its deformation smaller?
The most simple way is to set up a few blocks in the weld transverse positioning plate, welding seam after cooling in the two side gently hammering stress relief force dismantled.
Q:What is a die steel plate?
The profiled sheet steel plate has the advantages of easy processing, light weight, fast installation, simple operation, and the tedious process of removing and dismantling the formwork.
Q:Should the carbon fiber reinforce the steel bar on the side of the beam?
Chemical anchorage, chemical anchor bolt, carbon fiber reinforcement, steel reinforcement, fill crack traps, rust, concrete cutting drilling and repairing concrete foundation reinforcement etc..
Q:How is the normalized steel plate produced?
Normalizing is the process of heating a steel member to 30-50 degrees above the critical temperature and cooling it in stationary air after proper heat preservation. This process is called normalizing.
Q:What are the problems encountered in the construction of steel sheet piles? How to deal with
Steel sheet pile along the axis inclination is large, using special pile to correct, special-shaped pile is usually narrow width and width greater than or less than the standard width of sheet pile, pile can be shaped according to the actual inclination of welding; inclination is small can also use the winch or hoist and steel cable pile will reverse pull again hammer.

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