GBT K214

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GBT K214

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K214 Application:Age hardening type iron base alloy

Chemical composition(mass fraction)(wt.%) of the K214
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) W(%) B(%) Al(%) Ti(%)
Max 0.10 Max 0.5 Max 0.5 Max 0.015 Max 0.015 11.0-13.0 40.0-45.0 6.50-8.00 0.05-0.15 1.80-2.40 4.20-5.00

Mechanical properties of grade K214

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition HBW
861 (≥) 536 (≥) 14 21 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical properties of grade K214

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
487 (≥) 737 (≥) 42 21 43 Solution and Aging, Annealing, Ausaging, Q+T,etc
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
- - -
555 622 785 - - -

K214 Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L 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