**у12-1**Application:Carbide for cutting tools
Category	Type	Steel grade	Country
Grades	Special Alloy	у12-1	Russia

Chemical composition%of the ladle analysis of gradeу12-1

C(％)	Si(％)	Mn(％)	P(％)	S(％)	Cr(％)	Ni(％)	Cu(%)
1.15-1.24	0.17-0.33	0.17-0.33	≤0.030	≤0.028	≤0.028	≤0.25	0.25

Mechanical properties of gradeу12-1
Proof strength R_p0.2(MPa)	Tensile strength R_m(MPa)	Impact energy KV(J)	Elongation at fracture A(%)	Reduction in cross section on fracture Z(%)	As-Heat-Treated Condition	Brinell hardness(HBW)
335(≥)	791(≥)	33	13	42	Solution and Aging,Annealing,Ausaging,Q+T,etc	411

Physical properties of gradeу12-1
Property	Density kg/dm3	Temperature T °C/F	Specific heat J/kgK	Thermal conductivity W/mK	Electric resistance µΩ·cm	Modulus of elasticity kN/mm2
272(≥)	142(≥)	34	43	22	Solution and Aging,Annealing,Ausaging,Q+T,etc	312
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0)N/mm2	Creep rupture strength (10000h) (Rp1,0)N/mm2
523	741	742

у12-1Range of products
Product type	Products	Dimension	Processes	Deliver Status
Plates/Sheets	Plates/Sheets	0.08-200mm(T)WL	Forging,hot rolling and cold rolling	Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Steel Bar	Round Bar,Flat Bar,Square Bar	Φ8-1200mm*L	Forging,hot rolling and cold rolling,Cast	Black,Rough Turning,Shot Blasting,
Coil/Strip	Steel Coil/Steel Strip	0.03-16.0x1200mm	Cold-Rolled&Hot-Rolled	Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Pipes/Tubes	Seamless Pipes/Tubes,Welded Pipes/Tubes	OD:6-219mm x WT:0.5-20.0mm	Hot extrusion,Cold Drawn,Welded	Annealed,Solution and Aging,Q+T,ACID-WASHED

Cross Reference Table(Equivalent Grade)
Grade	Country	Application
1.4923	Russia	DIN 17240 (1976) Heat Resisting and Highly Heat Resisting Materials for Bolts and Nuts; Quality Specifications; Replaced by: DIN EN 10269:1999
X 22 CrMoV 12-1	Russia	DIN 17240 (1976) Heat Resisting and Highly Heat Resisting Materials for Bolts and Nuts; Quality Specifications; Replaced by: DIN EN 10269:1999
X22CrMoV12-1	Russia	Creep resisting steels, nickel and cobalt alloys
1.4923	Russia	Creep resisting steels, nickel and cobalt alloys
X155CrVMo12-1	Russia	Tool Steels; Technical Conditions of Delivery
32CrMoV12-10	Russia
32CrMoV12-10	Russia
32CrMoV12-10 / 32CDV12	Russia
1.7765	Russia
1.4923	Russia	Creep resisting steels, nickel and cobalt alloys
1.4926	Russia	Steels for larger forgings for components in turbine and generator installations
X21CrMoV12-1	Russia	Steels for larger forgings for components in turbine and generator installations
X22CrMoV12-1, 1.4923	Russia	Creep resisting steels, nickel and cobalt alloys