13ХГН2МД Alloy structural steel

Steelun Designation of 13ХГН2МД Alloy structural steel:

Name The value
Designation GOST Cyrillic 13ХГН2МД
Designation GOST Latin 13XGH2MD
Transliteration 13HGN2MD
By chemical elements 13CrMnН2MoCu

Description Steelun of 13ХГН2МД Alloy structural steel:

13ХГН2МД steel is used: for the manufacture of sheet metal with a thickness of 20−36 mm, used in energy and chemical engineering, the manufacture of parts of the hydromechanical equipment, welded structures for wide application, has a good ductility, high resistance to brittle fracture and satisfactory weldability.

Note

Replacement for steel stamps 138−2 is not always valid.

Steelun Standards of 13ХГН2МД Alloy structural steel:

Name Code Standards
Sheets and strips В33 TU 108.11.630-87

Chemical composition Steelun of 13ХГН2МД Alloy structural steel:

Standard C S P Mn Cr Si Ni Fe Cu Mo
TU 108.11.630-87 0.11-0.15 ≤0.03 ≤0.03 0.75-1.05 0.55-0.85 0.2-0.4 1.3-1.7 Rest 0.2-0.6 0.3-0.4
Fe is the basis.
According to TU 108.11.630-87 the chemical composition is presented for steel grade 13HGN2MD. As a technological additive, titanium and vanadium additive are produced at 0,04-0,05% each according to the calculation without correction for fumes. The content of titanium and vanadium is not determined. Deviations from the chemical composition are allowed: carbon ± 0.010%, silicon 0.10 / -0.030%, manganese ± 0.10%, nickel ± 0.10%, chromium + 0.10 / -0.050% , molybdenum ± 0.050%, copper ± 0.050%.

Steelun Mechanical properties of 13ХГН2МД Alloy structural steel:

Section, mm sT|s0,2, MPa σU, MPa d5, % y, % KCU, kJ/m2
Sheet metal in delivery condition on the other 108.11.630-87. In the graph of the impact toughness values KCV+20/KCV-60
20-36 ≥529 637-804 ≥16 ≥50 ≥784/441

Description mechanical marks steelun of 13ХГН2МД Alloy structural steel:

Name Description
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σU Limit short-term strength
d5 Elongation after rupture
y The relative narrowing
KCU Toughness

Steelun Technological properties of Remove term: 13ХГН2МД Alloy structural steel 13ХГН2МД Alloy structural steel:

Name The value
Macrostructure and pollution On the surface of the leaves is allowed without the removal of the thin layer of oxides that do not impede the detection of surface defects, the roughness of the fallen scale, risks, dents, fingerprints from the rolls, scratches and other minor, local defects, not deducing the size of the sheet beyond the negative deviations. On the surface of the sheet is not allowed defects in the captured, bubbles, cavities, cracks, katanoi dross and slag inclusions are to be removed by a gentle felling. On the edges of plates after flame cutting lamination and cracks are not allowed. Allowed fire snags, if it does not take the leaves for tolerances on dimensions. Grat fire after cutting must be removed. Steel fracture should be fibrous, while in fracture the number of Bologna must be at least 70%. If necessary, re-heat treatment. Sipernet in the turn is not a rejection symptom. Crystal allowed a rash over the whole fracture surface.
Particularities of production of goods Steel melted in the basic electric arc furnaces. Allowed the smelting of steel in basic open-hearth furnaces.
Defects Remove defects at a depth of up to 5% of the nominal thickness of the sheet over the negative deviations. The total area of Stripping and local thin places on each side of the paper should not exceed 2% of the leaf area and the number of sweep shall not exceed four units on 1 square meter of the sheet. When coincidence Stripping on both sides of a sheet permissible depth of Stripping is determined as the sum of the depths of sweeps on each side of the paper and should not exceed 5% of the nominal thickness of the sheet over the negative deviations. When the depth of defect more than 5% of nominal sheet thickness in excess of negative deviations, but not more than 25% of the nominal thickness of the sheet in excess of negative deviations are allowed cutting or scraping sand around these defects with subsequent welding is repair of technology of the manufacturer. Thus the area of the welding at each location must not exceed 0,0050 m2 (excluding collapse after cutting), and the total area of welding does not exceed 2% of the leaf area.

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