Stainless steel coils are a popular and versatile material widely used in a variety of industries due to their excellent properties, including resistance to corrosion, high strength, and aesthetic appeal. Stainless steel is an alloy made primarily from iron, chromium, and often nickel, which provides the material with its remarkable durability and resistance to oxidation.
Manufacturing Process
Stainless steel coils are produced by rolling stainless steel sheets into a coil form. This process involves hot rolling, cold rolling, and sometimes annealing (a heat treatment) to enhance the steel's properties. The coils can vary in thickness, width, and finish, allowing them to be tailored for specific applications. Cold-rolled stainless steel coils, in particular, have a smooth and shiny surface, which is aesthetically pleasing and ideal for industries that require high-quality, polished finishes.
Types of Stainless Steel Coils
There are several grades and finishes of stainless steel coils, each suited to particular applications:
Grades: Common grades include 304, 316, and 430. Grade 304 is widely used due to its excellent resistance to corrosion and high formability, while 316 offers superior resistance to chloride-induced corrosion, making it ideal for marine environments.
Finishes: Stainless steel coils can come in various finishes such as #1 (hot-rolled), #2B (mill finish), #4 (brushed), and #8 (mirror finish), catering to both functional and decorative purposes.
Applications of Stainless Steel Coils
Due to their corrosion resistance and strength, stainless steel coils are used in a wide range of industries:
Construction: Used for structural components, roofing, and cladding.
Automotive: Applied in exhaust systems, body parts, and undercarriages.
Food Processing: Stainless steel coils are used in manufacturing kitchen equipment, pipes, and food containers because of their hygienic properties.
Chemical and Pharmaceutical Industries: Utilized in equipment and storage tanks that need to withstand harsh chemicals and high temperatures.
Advantages of Stainless Steel Coils
Durability: Stainless steel coils are highly durable, even in extreme conditions.
Corrosion Resistance: They are resistant to rust, staining, and corrosion, ensuring long-term performance.
Aesthetic Appeal: The polished or brushed finishes give stainless steel coils a sleek, modern look.
Recyclability: Stainless steel is 100% recyclable, making it an eco-friendly material choice.
Low Maintenance: Due to their resistance to corrosion, stainless steel coils require minimal maintenance.
In conclusion, stainless steel coils are a critical component in many industries and applications due to their superior properties, versatility, and aesthetic qualities. They play a vital role in enhancing the functionality and longevity of products and structures worldwide.
Product Specification
Standard | ASTM A240, JIS G4304, G4305, GB/T 4237, GB/T 8165, BS 1449, DIN17460, DIN 17441 |
Material | 201, 202, 304, 304L, 309S, 310S, 316, 316L, 316Ti, 317L, 321, 347H, 409, 409L, 410, 420, 430, 904L |
Model No | 304, 0Cr18Ni9, EN1.4301, SUS304, TP304 |
Surface | No.1, No.4, 2D, No.8, 2B, BA, No.3, Hair line, Brushed, Checkered, Sand blast, Checkered, Embossed, Mirror, 8k, Bright, etc |
Exported to | USA, Germany, India, Dubai, Iraq, Viet Nam, Ireland, Singapore, Russia, Chile, Brazil, Argentina, Indonesia, Korea, and so on |
Thickness | Form 0.1mm to 150mm |
Width | 1000mm, 1219mm(4feet), 1500mm, if you need, we can cut as your required. |
Length | 2000mm, 2440mm(8feet), 6000mm, or cut as your required. |
Payment terms | Payment terms |
Price terms | Ex-work, FOB, CIF, CFR, CNF |
Application | Plate apply to construction field, shipbuilding industry, petroleum&chemical industry, war and electricity industries, food processing and medical industry, boiler heatexchanger, machinery and hardware fields.
Also can be made according to the customer's required. |
Delivery Time | 1.The products in stock will delivery immediately received the payment.
2.According to the order quantity,promopt delivery. |
Quality control | Mill Test Certification is supplied with shipment,Third Part Inspection is acceptable. |
Container Size | 20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High) 24-26CBM
40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High) 54CBM
40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High) 68CBM |
Chemical Properties
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
SS 301 | 0.15 max | 2.0 max | 1.0 | 0.045 max | 0.030 max | 16.0 – 18.00 | – | 6.00 – 8.00 | – |
SS 301L | 0.03 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 16.0 – 18.0 | – | 6.00 – 8.00 | – |
SS 304 | 0.08 max | 2.0 max | 0.75 max | 0.045 max | 0.030 max | 18.0 – 20.0 | – | 8.00 – 11.00 | – |
SS 304L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 18.0 – 20.0 | – | 8.00 – 13.00 | – |
SS 310 | 0.08 max | 2.0 max | 1.50 max | 0.045 max | 0.030 max | 24.00 – 26.00 | 0.10 max | 19.00 – 21.00 | 54.7 min |
SS 310S | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 24.00 – 26.00 | 0.75 max | 19.00 – 21.00 | 53.095 min |
SS 316 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 16.00 – 18.00 | 2.00 – 3.00 | 11.00 – 14.00 | 67.845 min |
SS 316L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 16.00 – 18.00 | 2.00 – 3.00 | 10.00 – 14.00 | 68.89 min |
SS 316Ti | 0.08 max | 2.0 max | 0.75 max | 0.045 max | 0.030 max | 16.00 – 18.00 | 2.00 – 3.00 | 10.00 – 14.00 | 68.395 min |
SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | – | 9.00 – 12.00 | – |
SS 405 | 0.25 max | 2.0 max | 1.50 max | 0.045 max | 0.030 max | 24.00 – 26.00 | – | 19.00 – 22.00 | – |
SS 409 | 0.08 max | 1.0 max | 1.0 max | 0.045 max | 0.045 max | 11.75 max | – | – | – |
SS 410 | 0.15 max | 1.50 max | 1.0 max | 0.04 max | 0.020 max | 11.50 – 13.50 | – | 0.0 – 0.75 | Balance |
SS 420 | 0.16 – 0.25 | 1.50 max | 1.0 max | 0.04 max | 0.015 max | 12.00 – 14.00 | – | – | – |
SS 430 | 0.08 max | 1.0 max | 1.0 max | 0.04 max | 0.02 max | 16.00 – 18.00 | – | – | Balance |
Mechanical Properties
Grade | Density | Melting Point | Tensile Strength ksi (min.) | Yield Strength (0.2%Offset) ksi (min.) | Elongation |
301 1/4 | – | – | 125 | 75 | ≥25% (in 50 mm) |
301 1/2 | – | – | 150 | 110 | 18% |
301 Full Hard | – | – | 185 | 140 | 9% |
SS 301L | – | – | 515 | 205 | 40% |
SS 304/304L | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40% |
SS 310/310S | 7.9 g/cm3 | 1402 °C (2555 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40% |
SS 316/316L | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40% |
SS 316Ti | 8.0 g/cm3 | 1399 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35% |
SS 321 | 8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35% |
SS 405 | – | – | 515 | 205 | 40% |
SS 409 | – | – | 450 | 240 | 25% |
SS 410 | – | – | 450 – 510 | 205 – 290 | 20% – 34% |
SS 420/420J1/420J2 | – | – | 650 – 950 | 400 – 600 | 10% – 12% |
SS 430 | – | – | 450 – 600 | 260 | 20% |
Surface description
Surface | Definition | Application |
No.1 | The surface finished by heat treatment and pickling or processes corresponding there to after hot rolling. | Chemical tank, pipe etc. |
2D | When finishing acid cleaning by heat treatment or equivalent processing.Temper cold rolling is performed till proper gloss is acquired. | Areas without surface gloss requirement,such as construction, DDQ and general purpose. |
2B | Those finished, after cold rolling, by heat treatment, pickling or other equivalent treatment and lastly by cold rolling to given appropriate luster.The surface brightness and flatness of No.2B is better than No.2D. No.2B could nearly satisfy comprehensive uses. | Medical equipment, Food industry, Construction material, Kitchen utensils etc. |
No.3 | Polished with abrasive belt of git#100 to #200, have better brightness with discontinuous coarse stria. | Kitchen utensils, Building construction etc. |
No.4 | Polished with abrasive belt of grit #150 to #180,have better brightness with discontinuous coarse stria,but thinner than No.3. | Kitchen utensils, Building construction, Medical equipment etc. |
Hairline | Polished with abrasive belt of grit #150 to #320 on the NO.4 finish and has continuous polishing streaks. | Building Construction etc. |
BA (No.6) | Cold rolled, bright annealed and skin-passed, the product have excellent brightness and good reflexivity. | Kitchen utensils, Electric equipment, Building construction etc. |
Mirror (No.8) | The product have excellent brightness and prefer reflexivity can to be the mirror. | Building construction, decoration etc. |
Application
Stainless steel coil use range: the product is used in various electric furnace manufacturing, metal product heat treatment equipment, steel mills, aluminum plants, metallurgy, petrochemicals, glass, ceramics, enamel, textiles, household appliances, electronic appliances, industrial appliances, food machinery, aircraft Manufacturing, automobile manufacturing, aerospace, military products and other manufacturing industries.
OEM Service
Quality Inspection
Packaging And Transportation
1) Packaging: 3 layers of packing. Inside is craft paper, Middle is water plastic film and outside GI steel sheet to be covered by steel strips with lock, with inner coil sleeve or as customers' requirements.
2) Shipping: We have long-term cooperation with many experienced shipping companies and will find the most suitable mode of transportation for you.
3) Trade terms: FOB/CIF/CFR
4) Shipping port: Qingdao/Tianjin/Shanghai
5) Shipment: A: Length: ≤6m, loaded in 20GP Container. B: Length: ≤12m, loaded in 40GP Container.
Remark: Size of 20GP Container (inside :5898*2352*2393mm); Size of 40GP Container (inside:12032*2352*2393mm); Size of 40HQ Container (inside:12032*2352*2698mm).
6) Delivery time: Normal size: 7-15days send from warehouse directly. Special size:15-30 days custom made for you.
For more information or to place an order, please contact us Email: glorrmetal@gmail.com or Whatsapp: +86 18963591776
