Steel 13Х15Н4АМ3 (ЭП310; ANS-5)

Designation

Name The value
Designation GOST Cyrillic 13Х15Н4АМ3
Designation GOST Latin 13X15H4AM3
Transliteration 13H15N4AM3
By chemical elements 13Cr15Н4NMo3
Name The value
Designation GOST Cyrillic ЭП310
Designation GOST Latin EP310
Transliteration EhP310
By chemical elements -
Name The value
Designation GOST Cyrillic ВНС-5
Designation GOST Latin BHC-5
Transliteration VNS-5
By chemical elements WНС-5

Description

13Х15Н4АМ3 steel is used: for the manufacture of forgings intended for subsequent cold machining or hot for subsequent machining (stamping, forging, rolling, etc.) in the manufacture of machine parts; special heat-resistant fasteners for power equipment.

Note

Corrosion-resistant steel austenitic-martensitic class.

Standards

Name Code Standards
Classification, nomenclature and General rules В20 OST 1 90005-91
Blanks. Of the workpiece. Slabs В21 OST 1 90176-75
Blanks. Of the workpiece. Slabs В31 TU 14-1-1213-75, TU 14-1-1214-75, TU 14-1-1626-76
Sheets and strips В33 TU 14-1-1505-76, TU 14-1-2931-80
Processing of metals by pressure. Forgings В03 TU 14-1-1530-75, TU 14-1-2902-80, TU 14-1-2918-80
Bars and shapes В32 TU 14-1-940-74, TU 14-1-1271-75

Chemical composition

Standard C S P Mn Cr Si Ni Fe N B Mo
TU 14-1-2902-80 0.11-0.16 ≤0.02 ≤0.03 ≤1 14-15.5 ≤0.7 4-5 Rest 0.05-0.11 0.11-0.16 2.3-2.8
TU 14-1-1505-76 0.11-0.16 ≤0.02 ≤0.03 ≤1 14-15.5 ≤0.7 4-5 Rest 0.05-0.1 - 2.3-2.8
Fe is the basis.
According to TU 14-1-2902-80, TU 14-1-2918-80 and TU 14-1-1505-76 the chemical composition is given for 13Х15Н4АМ3-Ш (ЭП310-Ш).
According to TU 14-1-1505-76 deviations from the norms of chemical composition are allowed: for carbon -0.010%, for chromium, nickel and molybdenum ± 0.10% of each element.

Mechanical properties

Section, mm t отпуска, °C sT|s0,2, MPa σU, MPa d5, % y, % KCU, kJ/m2 HB, MPa HRC
Gradation of performance properties of the finished heat-treated parts for OST 1 90005-91
- - - 1350-1570 - - - - 39.5-45.5
- - - 1470-1670 - - - 415-462 43-46
Forgings. Quenching in air, water or oil 1060-1080 °C + cold Treatment at minus 70°C (2 h) or -50 °C (4 hours) + Holiday
450, 1 ч ≥1030 ≥1420 ≥15 ≥55 ≥980 - -
190-210, 2 ч ≥1080 ≥1470 ≥15 ≥50 ≥980 - -
Sheet rental on the other 14-1-1505-76. The normalization in the air with 1060-1080 °C + cold Treatment at minus 70±5 °C (2 h ± 10 min) + Aging at 450±10 °C (1 h ± 10 min.)
- ≥1030 ≥1422 ≥10 - - - -
Forming at OST 1 90176-75. Quenching in air, water or oil 1060-1080 °C + cold Treatment at minus 70°C (2 h) or -50 °C (4 hours) + Holiday
450, 1 ч ≥1030 ≥1422 ≥15 ≥55 ≥980 - -
190-210, 2 ч ≥1079 ≥1472 ≥15 ≥50 ≥980 - -

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
y The relative narrowing
KCU Toughness
HB Brinell hardness number
HRC Rockwell hardness (indenter diamond spheroconical)