AMS C300,300,K93120,1.6358,1.6354

Grades | Maraging steel | C300,300,K93120,1.6358,1.6354

AMS C300,300,K93120,1.6358,1.6354 ( Martensite )

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C300,300,K93120,1.6358,1.6354 Application:Maraging 300 is used for tooling, transmission shafts, autosport components and light aircraft landing

Chemical composition(mass fraction)(wt.%) of the C300,300,K93120,1.6358,1.6354
Elements Min.（≥） Max.（≤） Similar Remarks
C - 0.03
Si - 0.10
Mn - 0.10
P - 0.010
S - 0.010
Co 8.00 9.00
Ni 18.00 19.00
Mo 4.60 5.20
Ti 0.55 0.80
Al 0.05 0.15
Fe - Bal

Mechanical properties of grade C300,300,K93120,1.6358,1.6354

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition HBW
387 (≥) 381 (≥) 33 33 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical properties of grade C300,300,K93120,1.6358,1.6354

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm
621 (≥) 258 (≥) 12 41 21 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		 - - -
372 187 529 - - -

C300,300,K93120,1.6358,1.6354 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