GBT K213

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GBT K213

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K213 Application:Age hardening type iron base alloy

Chemical composition(mass fraction)(wt.%) of the K213
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 14.0-16.0 34.0-38.0 4.00-7.00 0.05-0.10 1.50-2.00 3.00-4.00

Mechanical properties of grade K213

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition HBW
486 (≥) 895 (≥) 13 24 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical properties of grade K213

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
783 (≥) 469 (≥) 24 44 24 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
- - -
448 771 389 - - -

K213 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