A stainless steel cold-rolled coil is a flat-rolled product made from
stainless steel that has undergone a cold-rolling process. This process
involves passing hot-rolled stainless steel through a series of rollers
at room temperature, reducing its thickness and improving its surface
finish, flatness, and mechanical properties.
Stainless steel
cold-rolled coils are made from stainless steel alloys, which are
primarily composed of iron, chromium, and other elements like nickel,
molybdenum, and sometimes copper.
WUXI KONGZO STEEL is a leading stainless steel coil supplier, offering the best price and service. We can process orders to any specification, length, and thickness, and then do quality inspection and packaging.
| Type | Stainless Steel Cold Rolled Coil |
| Grade | 201, 202, 204 Cu3, 301, 304, 304L, 310S, 316L, 321, 409L, 410S, 420J2, 430, 439, 441, 444, 445 |
| Surface Finish | 2B, 2D, BA, No.3, No.4, No.5, SB, HL |
| Thickness | 0.3~3.0 mm |
| Length | No defined |
| Width | 610~1524 mm |
| Inner Diameter | 610 or 508 +0/-5 mm |
| Width Tolerance | Mill Edge:Aim ±10;Cut Edge:Aim ±10,Aim -0 / +1 |
| Standard | AISI, ASTM, DIN, JIS, GB, JIS, SUS, EN, etc |
| MOQ | 1 ton , We can accept sample order. |
| Delivery port: | Shanghai, Tianjin, Qingdao, Ningbo, Guangzhou, etc. |
| Packaging Detail | Standard export packaging, various transportation, according to customer needs. |
| AISI | Chemical Composition & Mechanical Property | |||||||||||
| C | Si | Mn | Cr | Ni | S | P | Ts（N/mm ²） | Ys（N/mm ²） | El | HB | HRB | |
| 201 | ≤0.15 | ≤0.75 | 5.5-5.7 | 16-18 | 3.5-5.5 | ≤0.03 | ≤0.060 | ≥520 | ≥275 | ≥40% | ≤241 | ≤100 |
| 202 | ≤0.15 | ≤1 | 7.5-10 | 17-19 | 4-6 | ≤0.03 | ≤0.060 | ≥520 | ≥275 | ≥40% | ≤207 | ≤95 |
| 304 | ≤0.08 | ≤1.0 | ≤2.0 | 18-20 | 8-10 | ≤0.03 | ≤0.045 | ≥520 | ≥205 | ≥40 | ≤187 | ≤90 |
| 304L | ≤0.03 | ≤1.0 | ≤2.0 | 18-20 | 9-13 | ≤0.03 | ≤0.045 | ≥480 | ≥175 | ≥40 | ≤187 | ≤90 |
| 316 | ≤0.08 | ≤1.0 | ≤2.0 | 16-18 | 10-14 | ≤0.03 | ≤0.045 | ≥520 | ≥205 | ≥40 | ≤187 | ≤90 |
| 316L | ≤0.03 | ≤1.0 | ≤2.0 | 16-18 | 12-15 | ≤0.03 | ≤0.045 | ≥480 | ≥175 | ≥40 | ≤187 | ≤90 |
| 410 | ≤0.15 | ≤1.0 | ≤1.0 | 11.5-13.5 | ≤0.03 | ≤0.040 | ≥440 | ≥205 | ≥20 | ≤201 | ≤93 | |
| 430 | ≤0.12 | ≤0.75 | ≤1 | 16-18 | ≤0.60 | ≤0.03 | ≤0.040 | ≥450 | ≥205 | ≥22 | ≤183 | ≤88 |
Stainless steel cold-rolled coils are used in a variety of applications and industries, including but not limited to:
1）Stainless steel cold-rolled coils find application in a wide range of industries and contexts, including but not limited to:
2）Automotive: Used for manufacturing automotive parts, including body panels, trim, exhaust systems, and structural components, due to their corrosion resistance and surface finish.
3）Construction: Cold-rolled coils are used in construction for roofing, cladding, structural elements, and interior design elements where aesthetics and corrosion resistance are essential.
4）Appliances: Stainless steel coils are used in the production of kitchen appliances, such as refrigerators, dishwashers, and ovens, due to their clean appearance and durability.
5）Electronics: Cold-rolled stainless steel coils are used in the manufacturing of electronic components and devices where corrosion resistance and precise dimensions are crucial.
6）Kitchenware: Stainless steel is popular for the production of kitchen utensils, cookware, and cutlery due to its hygienic properties and attractive appearance.
The manufacturing process of stainless steel and alloys involves multiple steps to transform raw materials into flat, rectangular sheets or plates made of stainless steel and alloys. Here are a few key steps for stainless steel and alloys:
Molten stainless steel and alloys are cast into large ingots or billets through a casting process.
During the hot rolling process, the thickness of the steel ingot is gradually reduced and elongated to form long strips or coils.
Annealing involves heating stainless steel and alloys to a specific temperature and then slowly cooling it.
Cold rolling is carried out through rolling mills to reduce thickness to meet customer specifications.
Wuxi Walmay Metal Co, Ltd is a comprehensive processing group of Alloy Steel、Forged Parts Fitting、Titanium Alloy、Stainless Steel、Special Welding Wireseries， and more than 800 specifications.
Our group has been engaged in the domestic and global market for more than ten years with rich steel experience and can offer professional advice for customers inapplications with different materials.
Machine cutting
Sheet cutting
plasma cutting
Dynamic waterjet cutting
sawing
Plank leveling
polishing
laser cutting
laser cutting
production cutting
Long product cutting
Bar and structural cutting
polishing
Heat treatment and annealing: Wuxi Walmay Metal can heat treat certain 400 series stainless steels.
Material Reliability Identification (PMI): Wuxi Walmay Metal can complete this testing in-house.
Ut Testing: Ultrasonic testing (UT) uses high-frequency sound energy to inspect and measure stainless steel products.
Our professional sales team answers your questions within 24 hours.
Wuxi Walmay Metal CO., LTD
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