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K214Application:Age hardening type iron base alloy
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy K214GBTChina

Chemical composition%of the ladle analysis of gradeK214

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)W(%)B(%)Al(%)Ti(%)
Max 0.10Max 0.5Max 0.5Max 0.015Max 0.01511.0-13.040.0-45.06.50-8.000.05-0.151.80-2.404.20-5.00
K214
Mechanical properties of gradeK214
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)
462(≥)574(≥)142121Solution and Aging,Annealing,Ausaging,Q+T,etc412
Physical properties of gradeK214
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
744(≥)329(≥)213141Solution and Aging,Annealing,Ausaging,Q+T,etc113
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
319116917
K214Range 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

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