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| Grade | C | Si | Mn | P | S | Cr | Ni | Cu |
|---|---|---|---|---|---|---|---|---|
| Q235A | 0.14~0.22 | ≤0.30 | 0.30~0.65 | ≤0.045 | ≤0.050 | ≤0.030 | ≤0.030 | ≤0.030 |
| Q235B | 0.12~0.20 | ≤0.30 | 0.30~0.67 | ≤0.045 | ≤0.045 | ≤0.030 | ≤0.030 | ≤0.030 |
| Q235C | ≤0.18 | ≤0.30 | 0.35~0.80 | 0.04 | 0.04 | ≤0.030 | ≤0.030 | ≤0.030 |
| Q235D | ≤0.17 | ≤0.30 | 0.35~0.80 | 0.035 | 0.04 | ≤0.030 | ≤0.030 | ≤0.030 |
| Name | Steel Brand | Size |
|---|---|---|
| Con-Casting billet steel | Q235,Q345,20#,35#, | 100*100 120*120 |
| 45#,40Cr,20MnSi,27SiMn,42CrMo | 150*150 200*200 | |
| Square Steel | Q235,Q345,20#,35#,45#,60Si2Mn, | 40*40 to 110*110 |
| 50CrV,40CrMoTi,20MiSi | ||
| Flat Steel | Q235,Q345,20#,35#,45#,40Cr, | T:16-35mm W:50-170mm |
| 60Si2Mn,50CrV,40CrMoTi,20MnSi | T:36-60mm W:80-120mm | |
| Deformed Steel | Q235,Q345,20#,35#,45#,40Cr, | According to the request |
| 60Si2Mn,50CrV,40CrMoTi,20MnSi |






