Grade 204 Cu Stainless Steel Coils/Strips
200 SERIES STAINLESS STEEL
Hot rolled stainless steel strip is a strip with a thickness of 1.80mm to 6.00mm and a width of 50mm to 1200mm, which is produced by the hot rolling mill.
Hot-rolled stainless steel strip refers to a product that is produced through a hot rolling process applied to stainless steel coils.
Hot rolled stainless steel strip has many advantages such as low hardness, easy processing and good extensibility.
Its production process is pickling, high temperature rolling, process lubrication, annealing, smoothing, fine cutting, and packaging.
Hot-rolled stainless steel strip has some distinctive characteristics. It typically has a darker, rougher surface compared to cold-rolled stainless steel strip due to the scale formed during the heating process.
The mechanical properties of hot-rolled strip include lower hardness and higher ductility compared to its cold-rolled counterpart. Hot-rolled strip also tends to have a wider dimensional tolerance range.
Hot-rolled stainless steel strip finds applications in various industries. It is commonly used in structural components, construction materials, automotive parts, pipe and tube manufacturing, and general fabrication. The material’s lower cost and faster production process make it suitable for applications where tight dimensional tolerances and a smooth surface finish are not critical.
200 Series stainless steels are not new – In fact they have been around for many years. To date they have traditionally not proved very popular outside the USA. However, since they have a much lower Nickel content than 300 Series Austentics, the very high Nickel price over recent years has led to significantly more interest. Equally, stainless steel producers have an ongoing programme of development designed to enhance existing grades and produce new grades. These new grades are sometimes developed for specific end uses and sometimes to improve upon an existing grade.
DESIGNATIONS
AISI 201 stainless steel corresponds to the following specifications:
UNS20100 / EN1.4372 / JIS SUS 201
AISI 201L stainless steel corresponds to the following specifications:
UNS20103 / EN1.4371
AISI 202 stainless steel corresponds to the following specifications:
UNS20200 / EN1.4373
AISI 204C stainless steel corresponds to the following specifications:
UNS20400 / EN1.4597
CHEMICAL COMPOSITION
| Element |
C |
Mn |
Cr |
Ni |
Cu |
|
AISI 201/UNS S20100
|
0.15%Max |
5.50~7.50% |
16.0~18.0% |
3.50~5.50% |
- |
| AISI 202/UNS S20200 |
0.15%Max |
7.50~10.0% |
17.0~19.0% |
4.00~6.00% |
- |
| UNS 20430/204 Cu |
0.15%Max |
6.50~9.0% |
15.5~17.5% |
1.5~3.5% |
2.0~4.0% |
| UNS 20500 |
0.12~0.25% |
14.0~15.5% |
16.5~18.0% |
1.0~1.75%
|
- |
MECHANICAL PROPERTIES
| Grade |
Tensile Strength
(MPa)
Min
|
Yield Strength
(MPa)
Min
|
Elongation
(%in 50mm)
Min
|
| 200 series |
655
|
310 |
40 |
200 Series COMMON APPLICATIONS
- Furniture
- Bins
- Cookware & Serving Bowls
- Window Channel Spacers
- Safety Shoes (mid-sole protector)
- Deep drawn kitchen equipment – e.g. Cookware & Sinks
- Hose Clamps
- Trailer Frames
- Industrial Strapping
- Railway Rolling Stock
There is also grade 201LN for welded constructions, structural uses and low temperature applications - Examples include sides & roofs of trains, liquified gas storage vessels, structural members/chassis of railway rolling stock, trucks & trailers, coal handling equipment
Product Tags:
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