Structural and constructional steels
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | 0.24 | 0.32 | ||
Si | 1.10 | 1.40 | ||
Mn | 1.10 | 1.40 | ||
P | - | 0.035 | ||
S | - | 0.035 | ||
Cu | - | 0.30 | ||
Cr | - | 0.30 | ||
Ni | - | 0.30 | ||
Mo | - | 0.15 |
27SiMn
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) |
---|---|---|---|---|---|---|
482 (≥) | 889 (≥) | 44 | 21 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 324 |
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 |
---|---|---|---|---|---|---|---|
573 (≥) | 471 (≥) | 42 | 21 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 333 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
648 | 393 | 867 |
We can customize the production of 27SiMn grade, contact us for the best solution.
–sales@specificsteel.com