Home»Grades > Special Alloy > 320rMnCoV12
320rMnCoV12Application:Spain structural alloy steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy 320rMnCoV12UNESpain

Chemical composition%of the ladle analysis of grade320rMnCoV12

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Mo(%)V(%)Co(%)
0.28-0.350.10-0.400.15-0.460.0300.0202.70-3.202.60-3.000.40-0.702.60-3.50
320rMnCoV12
Mechanical properties of grade320rMnCoV12
Proof strength
Rp0.2(MPa)
Tensile strength
Rm(MPa)
Impact energy
KV(J)
Elongation at fracture
A(%)
Reduction in cross section on fracture
Z(%)
As-Heat-Treated ConditionBrinell hardness(HBW)
257(≥)241(≥)414332Solution and Aging,Annealing,Ausaging,Q+T,etc333
Physical properties of grade320rMnCoV12
PropertyDensity
kg/dm3
Temperature T
°C/F
Specific heat
J/kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
394(≥)545(≥)243434Solution and Aging,Annealing,Ausaging,Q+T,etc234
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
657138527
320rMnCoV12Range of products
Product typeProductsDimensionProcessesDeliver Status
Plates/SheetsPlates/Sheets0.08-200mm(T)*W*LForging,hot rolling and cold rollingAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Steel BarRound Bar,Flat Bar,Square BarΦ8-1200mm*LForging,hot rolling and cold rolling,CastBlack,Rough Turning,Shot Blasting,
Coil/StripSteel Coil/Steel Strip0.03-16.0x1200mmCold-Rolled&Hot-RolledAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Pipes/TubesSeamless Pipes/Tubes,Welded Pipes/TubesOD:6-219mm x WT:0.5-20.0mmHot extrusion,Cold Drawn,WeldedAnnealed,Solution and Aging,Q+T,ACID-WASHED

Enquiry