15Х2ГН2ТРА Alloy structural steel

Steelun Designation of 15Х2ГН2ТРА Alloy structural steel:

Name The value
Designation GOST Cyrillic 15Х2ГН2ТРА
Designation GOST Latin 15X2GH2TPA
Transliteration 15H2GN2TRA
By chemical elements 15Cr2MnН2TiB

Description Steelun of 15Х2ГН2ТРА Alloy structural steel:

15Х2ГН2ТРА steel is used: for the manufacture of critical parts, which are requirements of high strength, toughness and wear resistance, and for parts exposed to high vibration and dynamic loads after the carburizing and improvements; for the manufacture of parts of pipelines with quenching in oil and tempering in oil or air. Steel can be used at temperatures from -70 °C to +450 °C.

Note

Alloy structural steel high quality.

Steelun Standards of 15Х2ГН2ТРА Alloy structural steel:

Name Code Standards
Blanks. Of the workpiece. Slabs В31 TU 1-92-156-90
Bars and shapes В32 TU 14-1-950-74, TU 14-1-3238-81, TU 14-1-3238-2006

Chemical composition Steelun of 15Х2ГН2ТРА Alloy structural steel:

Standard C S P Mn Cr Si Ni Fe Cu V B Ti Mo W
TU 14-1-3238-81 0.12-0.18 ≤0.025 ≤0.025 0.7-1 1.4-1.8 0.17-0.37 1.4-1.8 Rest 0.002-0.005 0.03-0.09
TU 14-1-950-74 0.12-0.18 ≤0.025 ≤0.025 0.7-1 1.4-1.8 0.17-0.37 1.4-1.8 Rest ≤0.25 ≤0.05 0.002-0.005 0.02-0.06 ≤0.15 ≤0.2
Fe is the basis.

Steelun Mechanical properties of 15Х2ГН2ТРА Alloy structural steel:

Section, mm sT|s0,2, MPa σU, MPa d5, % y, % KCU, kJ/m2 HB, MPa
Bars and strip, hot-rolled, forged, kalibrovochnye with special surface finish. Quenching in oil with 800-860 °C + vacation at 150-180 °C air cooling or oil
≥885 ≥1030 ≥12 ≥55 ≥981 311-376

Description mechanical marks steelun of 15Х2ГН2ТРА 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
HB Brinell hardness number

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