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Temperature of critical points: Ac1 = 745, Ar1 = 700, Mn = 240. Hardness after annealing (OST 5950−2000): HB 1 0 -one = 229 MPa .
for chisels used in the notch of files; very solid eccentric cams and fingers; smooth cylindrical gauge and caliber of the Rings; lathe, planer and slotting cutters in straight-and repair shops
Classification
Country | Section | Category |
---|---|---|
CIS, Russia, Ukraine | Tool steel | Alloy tool steel |
Chemical composition
Standard | Fe, % | Si, % | Mn, % | Cr, % | Ti, % | Cu, % | Ni, % | V, % | P, % | C, % | S, % | Mo, % | W, % |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
GOST 5950-73 | 95.06–97.5 | 0.1–0.4 | 0.15–0.45 | 1.3–1.65 | < 0.03 | < 0.3 | < 0.4 | < 0.15 | < 0.03 | 0.95–1.1 | < 0.03 | < 0.2 | < 0.2 |
Information on suppliers
Critical point temperatures
Ac1, K | Ar1, K | Mn, K |
---|---|---|
745 | 700 | 240 |
Analogues
USA | Germany | Japan | France | United Kingdom | European Union | Italy | Spain | China | Sweden | Bulgaria | Hungary | Poland | Austria |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
L1 | 1.2067 (102Cr6) | SUJ2 | 100Cr6 | 2067 | 1.2067 | 102Cr6KU | 100Cr6 | Cr2 | 2258 | 102Cr6 | K4 | NC4 | BOHLERK200 |
Standards
Standard | Description |
---|---|
GOST 5950-73 |
Description of chemical elements
Element | Units of measurement | Description |
---|---|---|
Fe | % | Iron |
Si | % | Silicon |
Mn | % | Manganese |
Cr | % | Chrome |
Ti | % | Titan |
Cu | % | Copper |
Ni | % | Nickel |
V | % | Vanadium |
P | % | Phosphorus |
C | % | Carbon |
S | % | Sulfur |
Mo | % | Molybdenum |
W | % | Tungsten |
Description of temperatures of critical points
Parameter | Units of measurement | Description |
---|---|---|
Ac1 | K | |
Ar1 | K | |
Mn | K |