Designation
| Name |
The value |
| Designation GOST Cyrillic |
13Х |
| Designation GOST Latin |
13X |
| Transliteration |
13H |
| By chemical elements |
13Cr |
Description
Steel 13KH used: for the manufacture of razor blades and knives, sharp surgical tools, scrapers, engraving tools; cold-rolled heat-treated ribbon with a thickness of 0.05 to 1.30 mm for the manufacture of spring details and springs, with the exception of the crown; measuring tapes.
Note
Steel of ferrite-martensitic type.
Standards
| Name |
Code |
Standards |
| Tape |
В34 |
GOST 2283-79, GOST 21996-76, TU 14-4-159-72, TU 14-4-517-74, TU 14-4-952-78, TU 14-4-956-78 |
| Sheets and strips |
В33 |
GOST 4405-75 |
| Bars and shapes |
В32 |
GOST 5950-2000, GOST 14955-77 |
| Steel pipes and fittings to them |
В62 |
TU 14-3-791-78, TU 14-3-882-79 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
V |
Ti |
Mo |
W |
| GOST 5950-2000 |
1.25-1.4 |
≤0.03 |
≤0.03 |
0.15-0.45 |
0.4-0.7 |
0.1-0.4 |
≤0.4 |
Rest |
≤0.3 |
≤0.15 |
≤0.03 |
≤0.2 |
≤0.2 |
Fe is the basis.
Mechanical properties
| σU, MPa |
HV, MPa |
| Tape cold-rolled heat-treated (0,05-1,30 mm) for spring parts and springs according to GOST 21996-76 (listed group strength tape) |
| 1270-1570 |
375-485 |
| 1580-1860 |
486-600 |
| ≥1860 |
≥600 |
| Cold-rolled steel strip otoshiana common quality of 0.1-4.0 mm according to GOST 2283-79 on delivery |
| ≤930 |
- |
Description mechanical marks
| Name |
Description |
| σU |
Limit short-term strength |
| HV |
The Vickers hardness |
