Steel 13ХГМРБ

Designation

Name The value
Designation GOST Cyrillic 13ХГМРБ
Designation GOST Latin 13XGMPB
Transliteration 13HGMRB
By chemical elements 13CrMnMoBNb

Description

13ХГМРБ steel is used: for the manufacture of steel structures hoisting equipment; loaded wheels of centrifugal compressors.

Note

High-strength martensitic-banana alloy steel.

Standards

Name Code Standards
Sheets and strips В33 TU 14-1-5241-93, TU 14-1-1156-74

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu Al B Mo Nb
TU 14-1-1156-74 0.1-0.16 ≤0.035 ≤0.035 0.9-1.2 1.1-1.5 0.17-0.37 ≤0.3 Rest ≤0.3 0.02-0.08 0.001-0.006 0.4-0.5 0.01-0.04
Fe is the basis.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, %
Sheet metal in delivery condition on the other 14-1-1156-74, TU 14-1-5241-93 (samples transverse)
8-50 590-835 690-930 ≥14

Description mechanical marks

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

Technological properties

Name The value
Weldability When welding requires preheating. Preferred welding under flux and in shielding gases.
Склонность к отпускной хрупкости High resistance to brittle fracture.