DD12 (StW23) belonging to pickling and cold plates, quite China's 08AL, DD12 replaced SPHD
Cold rolled steel sheet is ordinary carbon steel cold rolled sheet for short, also known as cold-rolled plate, commonly known as cold plate, sometimes mistakenly written as cold rolling plate. Cold plate is made of ordinary carbon structural steel hot-rolled strip, after further cold rolling steel plate having a thickness of less than 4mm. Since rolling at room temperature, does not produce iron skin, therefore, a good cold plate surface quality, high dimensional accuracy, coupled with annealing treatment, the mechanical properties and process performance are superior to hot-rolled steel sheet, in many areas, especially in manufacturing of home appliances, has gradually replace it with hot rolled steel sheet.
Grade
|
C
|
Si
|
Mn
|
P
|
S
|
Alt
|
DD12(StW23)
|
≤0.10
|
≤0.07
|
≤0.45
|
≤0.035
|
≤0.035
|
≥0.020
|
DD12(StW23) size range ：
Thickness ：0.2-4mm，
Width ：600-2000mm，
Length ：1200-6000mm。
DD12 (StW23) Performance: The main use of low-carbon steel grades, requires a good cold bending and welding properties, as well as some of the press performance.
Cold-rolled strip DD12 (StW23) is widely used, such as automobile manufacturing, electrical products, rolling stock, aerospace, precision instruments, such as canned food.
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