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EN C30 Application:Euronorm Structural steel
Category Type Steel grade Standard Country
Grades Special Alloy EN C30 EN Euronorm

Chemical composition % of the ladle analysis of grade EN C30

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%)
0.27 -0.34 0.40 0.50 -0.80 0.045 0.045 0.40 0.40 0.10
Euronorm Structural steel, EN C30
Mechanical properties of grade EN C30
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)
732 (≥) 763 (≥) 23 44 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 142
Physical properties of grade EN C30
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
542 (≥) 678 (≥) 31 34 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 431
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
425 954 836
EN C30 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
ЖC30-BИ EN Euronorm
Russia GOCT Standard vacuum smelting casting high temperature alloy bar
ЖC30-BИ EN Euronorm
Russia GOCT Standard vacuum smelting casting high temperature alloy bar
C300,300,K93120,1.6358,1.6354 EN Euronorm
Maraging 300 is used for tooling, transmission shafts, autosport components and light aircraft landing

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