Steel S345D
C375 steel
C590K steel
C590 steel
C440D steel
C440 steel
C390K steel
C390D steel
C390 steel
C375D steel
C345K steel
C345D steel
C345 steel
C285 steel
C275 steel
C255 steel
C245 steel
C235 steel
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | С345Д |
| Designation GOST Latin | C345D |
| Transliteration | S345D |
| The chemical elements | - |
Description
S345D steel is used: for the manufacture of hot-rolled structural shapes (angles, I-beams, channels), sheet, universal broadband rental and roll-formed profiles designed for construction of steel structures with welded and other connections.
Standards
| Name | Code | Standards |
|---|---|---|
| Classification, nomenclature and general norms | В20 | GOST 27772-88 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | N | As |
|---|---|---|---|---|---|---|---|---|---|---|---|
| GOST 27772-88 | ≤0.15 | ≤0.04 | ≤0.035 | 1.3-1.7 | ≤0.3 | ≤0.8 | ≤0.3 | The rest | 0.15-0.3 | ≤0.008 | ≤0.08 |
Fe is the basis.
According to GOST 27772-88 for steel smelted in electric furnaces, the content of N ≤ 0.012% is allowed.
According to GOST 27772-88 for steel smelted in electric furnaces, the content of N ≤ 0.012% is allowed.
Technological properties
| Name | The value |
|---|---|
| Weldability | without restrictions |
