Cold Rolled Coil
Your Professional Cold Rolled Coil Supplier
Gnee Steel (Tianjin) Co., Ltd. was established in Anyang, Henan, in 2008. Our main products include galvanized steel plates, cold-rolled steel plates, pre-coated steel plates, steel pipes, PPGI, PPGL, PPAL, color-coated steel plates, pre-processed steel plates, coil steel, galvanized processing parts, and other related products.
Certifications
We have successfully passed ISO, CE, and other system certifications. Additionally, our products have been tested and approved by SGS, TUV, BV, and other leading testing organizations.
Our Strengths
To date, Gnee Steel has made a total investment of over 60 million yuan. The company’s factory covers nearly 40,000 square meters, with a storage capacity of 250,000 tons. We are equipped with 5 advanced slitting units and 3 horizontal shearing units, all of which feature intelligent operation, automation, and high precision in processing.
Sales Market
We primarily export our products to four key regions: South America (35% of exports), Africa (25%), the Middle East (20%), and Southeast Asia (20%).
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Grade:SPCC;DC01;DC03;DC04;St12 etc.
Application:Architecture, Decoration -
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Cold Rolled Coil
Cold rolled coil is a flat steel product made by the cold rolling method. This is passing a hot rolled coil that has been pickled and oiled between a set of room-temperature work rollers after it has been unrolled. The applied compressive force causes the metal to become thinner, which increases its strength but also makes it more brittle.
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Product Name |
Cold Rolled Coil |
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Material |
Dx51D, Dx52D, Dx53D, DX54D, S220GD, S250GD, S280GD, S350GD, S350GD, S550GD; SGCC, SGHC, SGCH, SGH340, SGH400, SGH440, SGH490, |
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SGH540, SGCD1, SGCD2, SGCD3, SGC340, SGC340 , SGC490, SGC570; SQ CR22 (230), SQ CR22 (255), SQ CR40 (275), SQ CR50 (340), SQ |
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CR80(550), CQ, FS, DDS, EDDS, SQ CR33 (230), SQ CR37 (255), SQCR40 (275), SQ CR50 (340), SQ CR80 (550); or Customer's Requirement |
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Thickness |
0.12-6.00mm or customer's requirement |
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Width |
600mm-1500mm, according to customer's requirement |
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Zinc coated |
30g-275g/m2 |
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Type of Coating |
Hot Dipped Galvanized Steel |
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Surface Treatment |
Passivation(C), Oiling(O), Lacquer sealing(L), Phosphating(P), Untreated(U) |
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Surface Structure |
Normal spangle coating(NS), minimized spangle coating(MS), spangle-free(FS) |
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Coil ID |
508mm or 610mm |
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Coil Weight |
3-20 metric ton per coil |
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Standard |
JIS 3302 / ASTM A653 /EN10143 AISI , ASTM , DIN , GB , JIS G3302 G3312 G3321 , BS |
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Technique |
Hot Rolled / Cold Rolled |
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Product Application |
1. Fence, greenhouse, door pipe,greenhouse |
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2. Low pressure liquid, water, gas, oil, line pipe |
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3. For both indoor and outdoor the building construction |
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4. Widely used in scaffolding construction which is much cheaper and convenient |
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Delivery Time |
Usually within 7-15days after receipt of advance payment |
Here are the key properties of cold rolled steel coils
Ductility
Cold rolled steel can withstand significant stress without permanent deformation.
Tensile strength
It is up to 20% stronger than hot rolled steel, making it ideal for robust industrial projects.
Surface finish
Cold steel is preferred for applications requiring aesthetic appeal, such as furniture and automotive components.
Steel Coil Production
Steel coil is finished steel sheet or strip that has been coiled or wound after rolling with the width of the metal sheet being greater than its thickness. Steel coil with certain coatings can be weather-resistant, protect against moisture, and is ecofriendly. Steel coil is produced through different processes depending on the desired outcome.
☆ Hot-rolled steel coil is steel plate that is rolled at a high temperature, making the steel easier to manipulate. Due to the quick and easy process, hot-rolled steel saves time and is less expensive to manufacture.
☆ Cold-rolled steel coil has a nicer finish and is more durable than hot-rolled steel. Cold-rolling is a process where the steel is rolled at room temperature, below its recrystallization temperature. While cold-rolled steel coil is more superior to other coils, cold-rolled steel can be harder to manipulate due to the higher carbon content.
☆ Galvanized steel coil is created through a hot-dipped process that dips the metal into zinc for a nice smooth coating. The coating creates a strong rust resistance and prolongs the life of the steel coils.
☆ Galvannealed steel coil is created similar to galvanized steel through a hot-dipping process that soaks the metal into a liquid bath of zin alloy and then is passed through in-line heat treatment. Galvannealed steel is usually thinner and is more assessable to painting compared to other processes.
What Are the Common Grades of Cold Rolled Coils?
Cold rolled coils come in various grades, each suited for specific applications. Some of the most common grades include:
SPCC: Standard quality for general use.
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SPCD: Suitable for drawing applications.
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SPCE: Ideal for deep drawing.
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SPCF: Extra deep drawing quality.
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SPCG: Ultra deep drawing quality.
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Packing |
Standard export packing for stainless steel sheet: |
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1: Surface polish, |
2: Bundle package, |
3: Wooden case,wooden pallet package, |
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4: Container or bulk, |
5: Special according to customer's request |
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How Are Cold Rolled Coils Packaged?
Proper packaging is crucial to maintain the quality and integrity of cold rolled coils. Typically, CRC is packaged in several layers:
Inner Wrap
A layer of waterproof paper or plastic film to protect against moisture.
Outer Wrap
A metallic or plastic cover to shield the coil from physical damage.
Strapping
Steel or plastic bands to secure the coil tightly.
Edge Protection
Edge guards to prevent damage to the coil edges during handling and transport.
Certificates
FAQ
We're professional cold rolled coil manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy cheap cold rolled coil for sale here and get free sample from our factory. For price consultation, contact us.
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