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High Quality and Common Carbon Steel Hot Rolled Round Bar
Name | Grade | （mm）Diameter | Standard | Application | Status on Delivery | Remarks |
High Quality Carbon Structure Steel | 45 | 14-50 | GB/T699-1999 GB/T702-2008 | Mainly utilized in the cold, hot cutting process for shaft products, as well as in the construction engineering structure. | Hot Rolled |
|
50 | ||||||
55 | ||||||
Common Carbon Structure Steel | Q195 | 10-45 | GB/T700 –2006 | Construction and Machine Manufacture | ||
Q215 | ||||||
Q235 |
In the year 2002, the hot rolled section steel of high quality carbon structure steel won the title of Qingdao Municipal Famous Brand Products.
Grade | Chemical Contents % | ||||
C | Si | Mn | P | S | |
45 | 0.42~0.50 | 0.17~0.37 | 0.50~0.80 | ≤0.035 | ≤0.035 |
50 | 0.47~0.55 | 0.17~0.37 | 0.50~0.80 | ≤0.035 | ≤0.035 |
55 | 0.52~0.60 | 0.17~0.37 | 0.50~0.80 | ≤0.035 | ≤0.035 |
Common Carbon Steel Hot Rolled Round Bar