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AMS C300,300,K93120,1.6358,1.6354 Details

Maraging C300,300,K93120,1.6358,1.6354 is an age hardenable (maraging) iron nickel stainless steel. Maraging 300 has exceptional strength, toughness and is resistant to crack propagation.

AMS C300,300,K93120,1.6358,1.6354 Standard Download

C300,300,K93120,1.6358,1.6354 Datasheet
AMS C300,300,K93120,1.6358,1.6354

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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
Category Type Grade Microstructure Designations
Grades Maraging steel C300,300,K93120,1.6358,1.6354 Martensite USA - AMS , ASTM A579 -
AMS 6514 -
SAE AMS 6514 -
AMS 6521 -
MIL S 46850 -
MIL S 13881 -
Chemical composition(mass fraction)(wt.%)
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
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 Condition Brinell hardness (HBW)
454 (≥) 714 (≥) 43 21 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		 Modulus of elasticity
kN/mm2		 Expansion rate
677 (≥) 791 (≥) 11 33 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 132
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
514 135 989
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
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
C300,300,K93120,1.6358,1.6354 AMS USA
Maraging 300 is used for tooling, transmission shafts, autosport components and light aircraft landing