60HN

Steel is not used for welded structures, prone to temper embrittlement. Flock sensitivity: sensitive. Temperature of critical points: Ac1 = 730, Ac3 (Acm) = 775, Ar3 (Arcm) = 570, Ar1 = 480, Mn = 207. Hardness after quenching and tempering: HB 10 -1 = 255 — 302 MPa. Hardness after normalization: HB 10 -1 = 229 — 285 MPa .

the work rolls are blooming, slabbing, billet, and heavy-rail and mills, workers supporting rolls of sheet mills for hot rolling of metals.

Classification

Country Section Category
CIS, Russia, Ukraine Tool steel Roll tool steel

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ni, % P, % C, % S, %
OST 24.013.04 - 0 95.7–97.18 0.17–0.37 0.5–0.8 0.6–0.9 1–1.5 < 0.04 0.55–0.65 < 0.04

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers \sigma _{U}, MPa \sigma_{P}, MPa \epsilon_L, % \psi, % Treatment
Forgings < 200 1050 690 15 27 Normalization 860 ° C, 600 ° C and Holidays

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Alloy Hardening, average vacation 255–302
Alloy normalization 229–285

Technological Properties

Weldability Flake Susceptibility Propensity to temper brittleness
Not applicable for welded structures sensitive inclined

Critical point temperatures

Ac1, K Ac3(Acm), K Ar3(Arcm), K Ar1, K Mn, K
730 775 570 480 207

Standards

Standard Description
OST 24.013.04 - 0

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Cr % Chrome
Ni % Nickel
P % Phosphorus
C % Carbon
S % Sulfur

Description of mechanical properties

Parameter Units of measurement Description
\sigma _{U} MPa Ultimate tensile strength
\sigma_{P} MPa Proportionality limit
\epsilon_L % Elongation at break (longitudinal)
\psi % Reduction in cross section on fracture

Designation of types of weldability

Parameter Units of measurement Description
no limits Welding is performed without heating and without subsequent heat treatment
Boundedly welded Welding is possible with heating up to 100–120 °C and subsequent heat treatment
Difficult to weld For obtaining quality welded joints, additional operations are required: heating up to 200–300 °C for welding, heat treatment after welding — annealing
Not applicable for welded structures

Description of temperatures of critical points

Parameter Units of measurement Description
Ac1 K
Ac3(Acm) K
Ar3(Arcm) K
Ar1 K
Mn K