Cold Rolled Steel/ Steel Rolled different size

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Loading Port:
Shanghai
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TT OR LC
Min Order Qty:
20 m.t.
Supply Capability:
10000 m.t./month

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Product Description

Brief Introduction
The Cold Rolled Steel  is steel that has been worked below its recrystallization temperature by passing it between a pair of rollers. Recrystallization temperature is the temperature at which grains in the lattice structure of the metal have been rearranged, leaving it free of strain and deformations. The Cold Rolled Steel  is pre-treated before being cold rolled with a process known as pickling, which uses strong acids to remove scale and other impurities. The Cold Rolled Steel  is then passed through rollers to reduce its thickness. Most cold rolling takes place in multiple passes and as the size of the Cold Rolled Steel  is further reduced, its strength and hardness both increase, but its ductility decreases. After cold rolling, heating the metal up in a process known as annealing can restore some of its ductility. The final Cold Rolled Steel  may be manufactured in the form of sheets, strips, bars, or other forms.

Specification
1. Thickness: 0.4-2.0mm
2. Width: 900-1250mm
3. Inner Diameter: 508mm
4. Weight of Steel Coil: 3-15MT
5. Heat Treatment: Annealed
6. Margin Status: EC & EM
7. Surface Quality: FB&FC
8. Surface Status: SB & SD
9. Surface Treatment: Oiling

Mechanical Properties
1. Yield Strength: ≤ 320MPa
2. Tensile Strength: ≤ 370MPa
3. Elongation (L=50mm, b=25mm) When:
(1) Nominal Thickness<0.25mm: 30%
(2) Nominal Thickness 0.25mm-<0.40: 32%
(3) Nominal Thickness 0.40-<0.60mm: 34%
(4) Nominal Thickness 0.60-<1.0mm: 36%
(5) Nominal Thickness 1.0-<1.6mm: 37%
(6) Nominal Thickness >1.6mm: 38%

Packing
We use Seaworthy Package to make sure Cold Rolled Steel  is well-protected during the long ocean voyage.

Application
1. Base metal for coated and dipped products.
2. Home appliance
3. Precise welding tube
4. Flux cored welding wire
5. Bicycle, battery shell,
6. Automobile fitting, hardware
7. Enameling industry etc.

Superiority
1. High precision of dimensional tolerance
2. Excellent mechanical property such as the yield strength and tensile strength, etc.
3. Being highly resistant to denting
4. Exhibits useful magnetic properties
5. High quality surface finish and get well prepared for the surface coating
6. Available in a variety of sizes and shapes with characteristics useful in a wide range of applications

Chemical Components

GradeChemical Components
CMnPSAlt
DC01≤0.12≤0.50≤0.035≤0.025≥0.020
DC03≤0.10≤0.45≤0.030≤0.025≥0.020
DC04≤0.08≤0.40≤0.025≤0.020≥0.020

Cold Rolled Steel/ Steel Rolled different size

FAQ

1. Do you have QC team?     
Yeah, sure, our QC team is very important, they will keep the quality control for our products.for quality inspection every day.

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Q:Movies- Conan: What is the riddle of steel?
This Site Might Help You. RE: Movies- Conan: What is the riddle of steel? . Yea, so I just saw the old Conan movie with Arnold. Good movie, but I still don't get it. What IS the riddle of steel?? I get that like from the begining Conan's dad is like telling him a story about Crom and giants, and people got steel once Crom killef the giants. Then, later on...
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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:Why can't the coil weight be too low?
And may make the level stacked steel coil collapse, rolling, produce production safety accidents.
Q:Pre Fabricated Steel Buildings?
A word of caution, there are many bad steel building contractors out there. Stay with reputable brands such as Butler, Behlen, and Whirlwind. A broker such as Heritage will get you good results but I have heard horror stories about a lot of steel building brokers.
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Sandpaper , quartz will wear a hole in alloy steel. Just rub it. The steel that is.
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Iron is raw from iron ore, steel has other metals added such as alloys or copper to give tesil strength and flexibility
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Rust Proof Metal
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When machining stainless you need a sharp tool and an abrasive cutting compound for the best results.Most tools will slide on the stainless rather than cut into it. Stainless is very soft and it stretches rather than cuts. Try to keep the bit cool, but a special cutting compound is advised.

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