Cold Rolled Coils
Cold Rolled Coils
Our Steel division provides high quality cold steel rolled sheets in terms of flatness, brightness and straightness, chemical composition and mechanical properties.
Our Manufacturing division supports all types of cold steel rolled sheets that can fit the needs of its customers from all over the world.
Please find below some specifications of cold steel we are providing to our
customers:
● Grade: Ordinary carbon steel: Q195, Q235 SPCC, SPCD, SPCE, DC01-06, St12, etc.
Improved carbon structural steel: 10F、20#、45#、50#、65#、75#、5Mn、50CrVA、60Si2Mn、62Si2Mn、Sup6、SK5、SK7、T8、T10、GCr15 etc.
● Thickness: 0.10mm – 3.0mm
● Width: 10mm and above
● Coil ID: 250mm/400mm/508mm or per customer’s request
Our Company is a main supplier for all steel and iron products and derivatives in today’s market.
We are standing here to serve many customers all over the world by providing them with the best product selection for their business.
Our cold steel rolled sheets are of high quality and due to our Company Financial Infrastructure & Logistic capacity strength we are able to offer the best prices in the world.
Specifications
| Parameters | Technical Details/ Specifications |
|---|---|
| Thickness (mm) | 0,10 to 4,00 |
| Width (mm) | 10 to 1700 (Max) |
| Cut-to-Length | Up to 4500mm with tolerance of ± 2/-0 mm (Further close tolerance on request) |
| Coil Weight (MT) | Up to 30 MT (7 to 18 kg/mm width) |
| Surface Finish | Super Bright, Bright, Dull & Matte (RaValuewith controlled Rmax on request) |
| Grades | Specifications – As per JIS/BIS/ ASTM/EN Standards |
LOW CARBON CRCA GRADES
Super EDD/EDD/DD/D (SPCX, SPCEN, SPCD, SPCC) non-aging, IF-High
Strength steel (IF-HSS), High Strength Low Alloy Steel (HSLA), viz., ST -42,
ST-45, ST-52, SAPH-400/41O, Steel for Porcelein Enammeling, Corrosion
Resistant Steel, viz., Tin Mill Black Plate (TMBP)
MEDIUM & HIGH CARBON CRCA GRADES
C- 30, C-40,MC -ll, EN – 8, C-55, MC-12,
EN- 9 C-62, C-60, C-80, HC-14, EN-42J
ELECTRICAL Grades Elec -I, Elec-n, Elec-nI, SemiProcessed Elect. Steel
OTHER CRCA GRADES
Case Hardening Steel- 15Cr3, SAE 1010, SAE 1012
Through Hardening Grades- SAE 1040, SAE 1045, 1055, 1065, 1080, 1541
H.R PICKLED/ SKIN PASSED & OILED
| Thickness | Up to 3,00 mm | 3,00 mm – 4,00 mm | Above 4,00 mm |
|---|---|---|---|
| Max. Width for Cut Size | 1500 mm | 1250 mm | 600 mm |
| Width for Coil | 50 mm – 1700 mm | 50 mm – 1700 mm | 50 mm -1700 mm |
Production Process
Cold rolled coils are manufactured by taking hot rolled coils and subjecting them to a process known as cold rolling. The hot rolled coils are first pickled to remove any scale or impurities, then they are passed through a rolling mill at room temperature. The cold rolling process reduces the thickness of the steel and imparts desirable properties such as improved surface finish and dimensional accuracy.
Properties and Characteristics
Cold rolled coils possess distinct properties that make them suitable for a variety of applications. They have a smooth surface finish, free from scale or oxide layers, which enhances their aesthetic appeal and provides a superior base for subsequent surface treatments. Cold rolling also increases the mechanical strength and hardness of the steel while maintaining good formability.
Versatility and Applications
Cold rolled coils find applications in various industries due to their excellent surface quality and dimensional precision. They are commonly used in automotive manufacturing for body panels, chassis components, and structural parts. The appliance industry utilizes cold rolled coils to produce kitchen appliances, refrigerators, and washing machines. Cold rolled coils are also used in the construction industry for roofing, cladding, and general fabrication.
Surface Treatment and Finishing
Cold rolled coils can undergo further surface treatment processes to enhance their properties or meet specific requirements. These treatments may include annealing, galvanizing, tin plating, or applying protective coatings to improve corrosion resistance or provide decorative finishes.
Quality Control
Cold rolled coils undergo stringent quality control measures to ensure they meet the required standards and customer specifications. The coils are subjected to various tests to evaluate their mechanical properties, surface quality, dimensional accuracy, and chemical composition. This ensures that the coils meet the desired performance and quality requirements.
Quality Control
Hot rolled coils undergo strict quality control measures to ensure they meet industry standards and customer requirements. The mechanical properties, dimensions, surface quality, and chemical composition of the coils are tested and monitored throughout the production process.
Sustainability
Cold rolled coils contribute to the sustainability of the steel industry. They can be recycled and reused, reducing the demand for virgin steel production and minimizing environmental impact. Additionally, the precise dimensions and high-quality surface finish of cold rolled coils contribute to the overall energy efficiency and longevity of end products.
Market Demand
The demand for cold rolled coils is influenced by factors such as the automotive industry, construction activity, and consumer goods manufacturing. The need for high-quality, dimensionally accurate steel products drives the market demand for cold rolled coils.
Cold rolled coils offer superior surface quality, dimensional precision, and mechanical properties, making them highly desirable for a range of applications. Their ability to undergo various surface treatments and their contribution to sustainability further solidify their position in the steel industry. The stringent quality control measures ensure that cold rolled coils meet the required standards and customer expectations.