- Products
Steel Products
Non-Steel Products
Products that have surface roughness of about 0.2μRa or less and high surface gloss like stainless steel products by using temper rolling work rolls with very fine surface roughness during cold rolling and annealing after cold rolling in cold rolling process.
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.
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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