Chines Best Cheap Cold Rolled Steel Coil JIS G 3302

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50 m.t.
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10000 m.t./month

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Chines Best Cold Rolled Steel Coil JIS G 3302
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

Chines Best Cheap Cold Rolled Steel Coil JIS G 3302

Chines Best Cheap Cold Rolled Steel Coil JIS G 3302

Chines Best Cheap Cold Rolled Steel Coil JIS G 3302

 

4.Cold Rolled Steel Specification

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

Grade: Q195~Q345

Thickness: 0.16mm~2.0mm

Width: 1250mm MAX

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

1.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.

2. 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 are some good knife steels?
that's a hard one, right here is why. once you like a truck you do no longer want a Porche and vice versa. In different words have been one steel excels the different is unfavorable. For overallstrengthh i like 5160, for organic area retaining i like D2, O-a million and 52100 are probable the appropriate carbonsteel in area retaining. in case you like a knife with corrosion resistance then stainless is the appropriate determination. yet stainless needs to cryo dealt with to benefit the finished skill of the steel. I don'trecommendinless for any blade over 5 as a results of fact the greater desirable grain shape won't be able to take flexing and could wreck. For a heavy accountability super knife I recomend carbon steel with a differential temper as carried out good it may flex without breaking. What does all this mean? the appropriate steel is not any further effective than a decrease high quality steel if there's a deffitiancy in warmth therapy or layout. D-2 has not greater reducing potential than 440c at 57r. i do no longer use stainless in my knives as they're puzzling to warmth manage, D-2 case in point, fifty deg. in the two direction from the hardening temp (which ought to be held for minimum of 20-half-hour) can mean 2 factors Rockwell. All stainless are this type, as such maximum manufactures in no way comprehend the potetiel of the steel. right here is what i exploit, on a small knife have been i want greater effective area retaining from a greater durable temper (60r) i like O-a million, W-a million and 52100. For greater desirable knives L-6 works properly. For a survival/attempt against knife 5160 is my determination. those are not the only steels accessible, the books are full of them. solid luck.
Q:Is EN10025 S355JR weathering steel?
*EN 10 025 S355JR/JO is comes under structural steel catagories. Equivalent standard is-ASTM A 572 Gr 50. -Above areHigher strength micro-alloyed steel. -The above-mentioned structural steel grades may be welded using any of the standard metal arc and resistance welding processes, usually without any special precautions.
Q:About types of stainless steel for knifes.?
The two main ingredients in knife steel are carbon and chromium with some extras that have varying effects on hardness and toughness. Aus8 is similar to 440A stainless with less chromium which would make it a little stronger. I've tested aus8 blades and wasn't real impressed with its edge holding compared to even 5160 carbon steel (the lowest grade I use).
Q:Is a knife with damascus steel better than one with regular steel? or what about high carbon?
It all depends on the steel. There are as many types of Damascus as you want to imagine. The old Damascus swords brought back by the Crusaders were far superior to the blades made in Europe at that time, but they probably wouldn't match up to modern steel in performance. Alas, it has been lost to history as to how they were made. Back to modern times. Damascus can be homogeneous steel with the pattern hammered in (hammered steel) or layered (pattern welded) or any number of variations. I make many blades out of crane cable, the pattern is nice and the strength is superior to all others. Layered damascus, done correctly, can have what is called the Damascus cutting effect (DCE). These knives are rare and expensive. The best layered blades are made of high carbon steels of various alloy content. I just recently finished a low count blade made of L-6 and a file (W-1), these offer exceptional edge holding. Factory blades are often not worth buying unless you like pretty knives. I personally make mine to be used. I could write a book on the subject, but others already have. In the end a knife is as only as good as the heat treating, good steel with a bad heat treat will not perform as well as lower quality steel done properly.
Q:Is boron steel harder?
Boron is classified as a Metalloid element and is located in Groups 13, 14,15, 16 and 17 of the Periodic Table. An element classified as a Metalloid has properties of both metals and non-metals. Some are semi-conductors and can carry an electrical charge making them useful in calculators and computers.
Q:About hydrolics which one used in steel melting shop?
The correct spelling is hydraulics. I haven't heard the term steel melting shop you probably means a foundry or a steel mill The most obvious example i can think of is hydraulic-operated fork lifts. Hydraulic cylinders are used to lift the forks and to tilt them upwards or downwards. The valves are coneccted to levers next to the steering wheel. Hydraulic pressure is supplied by a hydraulic pump driven by a propane or diesel engine. In some forklift designs the wheels are also not connected directly to the engine, but driven by hydraulic motors. There are also a large variety of machines used in steel mills and metalworking companies to cut and shape metal parts. for example, press brakes, plate cutting shears, stamping presses, hole punch machines, drawing presses, etc. These types all operate in much the same basic way. They use a very large cylinder or group of cylinders to apply many tons of force to different kinds of metal working tools.
Q:Is my shotgun able to shoot steel?
Kbi Shotguns
Q:Why are properties of steel not identical?
Steel is manufactured to different specs. To match the needs of its intended end use .Tensel strength,Hardness, Corosion resistance etc. The chemical make up will change to suit.
Q:Graphite or Steel Shafts for irons for a begginer?
How about graphite in your 3,4,5 irons and lightweight steel in your scoring clubs. You can swingweight them all the same so you will have a consistent feel through out the entire set and you will get extra help getting the ball in the air with the long irons and extra stability in the scoring clubs. And you save money by not having to put graphite in the entire set. As a beginner the clubs you get now may not suit you as you progress and your swing evolves so keep this in mind when buying a set of irons.
Q:Why are some steel companies more successful than others?
Steel is a global commodity. There is some variety in product (flat rolled, tubing, etc), but basically the same product worldwide. Cost to the customer includes shipping of a very heavy product. Inputs are also heavy and costly to ship. Inputs: - Coal - Iron Ore. Some firms have the ability to recycle old steel, a competitive advantage. - Energy (very energy intensive industry) - Labor - Machinery. A new blast furnace is more efficient than 50 years old. So the most profitable steel firms have some of these characteristics: - Proximity to raw materials - Proximity to customers - Access to cheaper means of transportation; rail and sea - Newer machinery - Cheaper labor force - Reasonable cost for electricity and fuel for furnaces

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