USAGE
Products that require a bright, shiny surface after being coated with nickel or chrome such as accessories, ornaments, stationery supplies (binders, clips), dining ware, and light and heat reflectors.
DESCRIPTION
Product Types and Size
Types of Products
Bright finished steel sheet is categorized as both commercial material and hard material. Dongbu Steel supplies products in the following sizes.
| Type | Grade | Hardness (HRB) |
Surface Roughness (uRa) |
Gloss (GS 20)) |
Remarks |
|---|---|---|---|---|---|
|
Commercial material
|
SB
|
57 and less
|
Max. 0.25
|
400 and more
|
|
|
Hard material
|
1/8 H (8B)
|
50 -71
|
|||
|
1/4H (4B)
|
65 – 80
|
250 and more
|
|||
|
1/2H (2B)
|
74 – 89
|
||||
|
F/H (1B)
|
85 and more
|
max. 0.40
|
–
|
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