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S30C Application:China Taiwan Structural steel
Category Type Steel grade Standard Country
Grades Special Alloy S30C CNS China

Chemical composition % of the ladle analysis of grade S30C

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) N(%) Cu(%)
0.27-0.33 0.15-0.35 0.60-0.90 0.030 0.035 0.20 0.20 0.30
S30C
Mechanical properties of grade S30C
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)
584 (≥) 889 (≥) 21 32 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 131
Physical properties of grade S30C
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
185 (≥) 387 (≥) 32 22 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 144
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
219 899 764
S30C 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

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