Steel SV-07ХГСН3МД
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Sv-04N2GSTA steel
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Sv-04N3GMTA steel
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Sv-06Cr3G2SmFtu4 steel
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Steel Sv-07HN3MD
Sv-08 steel
Sv-08G1NMT steel
Sv-08G1S steel
Sv-08G2SM steel
Sv-08G2SNMT steel
Sv-08G2SNTYR steel
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | Св-07ХГСН3МД |
| Designation GOST Latin | Cb-07XGCH3MD |
| Transliteration | Sv-07HGSN3MD |
| The chemical elements | 07CrMnСН3MoCu |
Description
Steel SV-07ХГСН3МД usedfor producing welding rod, welding, surfacing and production of electrodes.
Note
A steel alloy.
Standards
| Name | Code | Standards |
|---|---|---|
| Sectional and shaped rolling | В32 | TU 14-1-2203-77, TU 14-1-4054-85 |
| Welding and cutting of metals. Soldering, riveting | В05 | TU 14-1-4345-87 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | Al | Ti | Mo | Zr |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TU 14-1-4054-85 | 0.04-0.09 | ≤0.012 | ≤0.015 | 0.8-1.1 | 0.5-0.8 | 0.4-0.7 | 2.8-3.2 | The rest | 0.55-0.85 | ≤0.05 | 0.12 | 0.5-0.65 | 0.15 |
| TU 14-1-2203-77 | 0.04-0.09 | ≤0.012 | ≤0.02 | 0.8-1.1 | 0.5-0.8 | 0.35-0.65 | 2.8-3.2 | The rest | 0.55-0.85 | - | 0.05 | 0.5-0.65 | 0.05 |
Fe is the basis.
According to TU 14-1-4054-85 the chemical composition is given for steel grade Sv-07HGSN3MD-Sh. The content of titanium and zirconium is calculated. The nitrogen content in the rod must not be more than 0.015%. It is allowed to supply wire with a deviation from the norms of chemical composition in accordance with paragraph 3.5. GOST 2246, subject to other requirements of the Specification.
According to TU 14-1-2203-77 the chemical composition is given for the welding wire of the brand Sv-07HGSN3MD. The content of titanium is calculated. Zirconium is introduced into the steel by 0.050%. In the steel, the determination of nitrogen and colored impurities - arsenic, lead, antimony and tin - is performed. The results of the control are optional.
According to TU 14-1-4054-85 the chemical composition is given for steel grade Sv-07HGSN3MD-Sh. The content of titanium and zirconium is calculated. The nitrogen content in the rod must not be more than 0.015%. It is allowed to supply wire with a deviation from the norms of chemical composition in accordance with paragraph 3.5. GOST 2246, subject to other requirements of the Specification.
According to TU 14-1-2203-77 the chemical composition is given for the welding wire of the brand Sv-07HGSN3MD. The content of titanium is calculated. Zirconium is introduced into the steel by 0.050%. In the steel, the determination of nitrogen and colored impurities - arsenic, lead, antimony and tin - is performed. The results of the control are optional.
Technological properties
| Name | The value |
|---|---|
| Macrostructure and contamination | In the macrostructure of wire rod, are not allowed discontinuity of the metal caused by the presence of shrinkage, axial looseness, bubbles, cracks, delamination and inclusions. |
| Microstructure | Wire rod microstructure should be uniform. Padalka (martensitic and rotomachinery areas) is not allowed. |
